From 42dcf185d0b6f74e5941f29e6cc42ce8df402946 Mon Sep 17 00:00:00 2001
From: Jennifer Thakar <jathak@gmail.com>
Date: Thu, 11 Jul 2024 11:04:44 -0700
Subject: [PATCH 01/10] Migrate some more inspect calls

---
 .../core_functions/meta/get_function/meta.hrx |  8 +++-
 .../issue_1169/error/color.hrx                | 22 +++++-----
 .../issue_1169/error/functioncall.hrx         | 30 +++++++------
 .../issue_1169/error/interpolate.hrx          | 22 +++++-----
 .../issue_1169/error/simple.hrx               | 16 ++++---
 .../issue_1169/functioncall.hrx               |  4 +-
 .../issue_1169/interpolated.hrx               | 21 +++++----
 .../issue_1169/simple.hrx                     | 28 ++++++------
 spec/libsass-closed-issues/issue_1178.hrx     |  4 +-
 spec/libsass-closed-issues/issue_1187.hrx     | 10 +++--
 spec/libsass-closed-issues/issue_1192.hrx     |  6 ++-
 spec/libsass-closed-issues/issue_1269.hrx     |  9 ++--
 spec/libsass-closed-issues/issue_1283.hrx     |  7 ++-
 spec/libsass-closed-issues/issue_1583.hrx     | 26 ++++++-----
 spec/libsass-closed-issues/issue_1604.hrx     |  7 ++-
 spec/libsass-closed-issues/issue_1709.hrx     |  4 +-
 spec/libsass-closed-issues/issue_1723.hrx     | 44 ++++++++++---------
 spec/libsass-closed-issues/issue_2020.hrx     | 14 +++---
 spec/libsass-closed-issues/issue_2330.hrx     | 30 +++++++------
 spec/libsass-closed-issues/issue_2333.hrx     |  4 +-
 spec/libsass-closed-issues/issue_238760.hrx   | 10 +++--
 spec/libsass-closed-issues/issue_701.hrx      | 20 +++++----
 spec/values/maps/invalid-key.hrx              | 10 +++--
 spec/values/numbers/modulo/zeros.hrx          |  4 +-
 .../divide_by_multiple_denominators.hrx       | 21 ++++-----
 .../divide_by_multiple_numerators.hrx         |  9 ++--
 .../units/multiple/division_cancels_both.hrx  | 23 +++++-----
 .../multiple/division_cancels_compatible.hrx  | 17 +++----
 .../multiple/division_cancels_denominator.hrx | 23 +++++-----
 .../division_cancels_denominator_twice.hrx    | 29 ++++++------
 .../multiple/division_cancels_numerator.hrx   | 17 +++----
 .../division_cancels_numerator_twice.hrx      | 17 +++----
 .../multiple/division_cancels_unknown.hrx     | 17 +++----
 .../units/multiple/multiple_denominators.hrx  | 15 ++++---
 .../units/multiple/multiple_numerators.hrx    |  3 +-
 .../multiple/multiplication_cancels_both.hrx  | 17 +++----
 .../multiplication_cancels_compatible.hrx     | 11 ++---
 .../multiplication_cancels_denominator.hrx    | 11 ++---
 ...ltiplication_cancels_denominator_twice.hrx | 11 ++---
 .../multiplication_cancels_numerator.hrx      | 17 +++----
 ...multiplication_cancels_numerator_twice.hrx | 23 +++++-----
 .../multiplication_cancels_unknown.hrx        | 11 ++---
 42 files changed, 364 insertions(+), 288 deletions(-)

diff --git a/spec/core_functions/meta/get_function/meta.hrx b/spec/core_functions/meta/get_function/meta.hrx
index b6493587ba..40fdde75b0 100644
--- a/spec/core_functions/meta/get_function/meta.hrx
+++ b/spec/core_functions/meta/get_function/meta.hrx
@@ -1,5 +1,7 @@
 <===> inspect/input.scss
-a {b: inspect(get-function(lighten))};
+@use "sass:meta";
+
+a {b: meta.inspect(meta.get-function(lighten))};
 
 <===> inspect/output.css
 a {
@@ -9,7 +11,9 @@ a {
 <===>
 ================================================================================
 <===> type_of/input.scss
-a {b: type-of(get-function(lighten))};
+@use "sass:meta";
+
+a {b: meta.type-of(meta.get-function(lighten))};
 
 <===> type_of/output.css
 a {
diff --git a/spec/libsass-closed-issues/issue_1169/error/color.hrx b/spec/libsass-closed-issues/issue_1169/error/color.hrx
index 8a138abb62..660f4a0ed0 100644
--- a/spec/libsass-closed-issues/issue_1169/error/color.hrx
+++ b/spec/libsass-closed-issues/issue_1169/error/color.hrx
@@ -1,18 +1,20 @@
 <===> input.scss
-$map: (
-  red: 'foo',
-  red: 'bar',
-);
-
-.foo {
-  content: inspect($map);
+@use "sass:meta";
+
+$map: (
+  red: 'foo',
+  red: 'bar',
+);
+
+.foo {
+  content: meta.inspect($map);
 }
 <===> error
 Error: Duplicate key.
   ,
-2 |   red: 'foo',
+4 |   red: 'foo',
   |   === first key
-3 |   red: 'bar',
+5 |   red: 'bar',
   |   ^^^ second key
   '
-  input.scss 3:3  root stylesheet
+  input.scss 5:3  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1169/error/functioncall.hrx b/spec/libsass-closed-issues/issue_1169/error/functioncall.hrx
index 5f68b53aff..a84c587b79 100644
--- a/spec/libsass-closed-issues/issue_1169/error/functioncall.hrx
+++ b/spec/libsass-closed-issues/issue_1169/error/functioncall.hrx
@@ -1,22 +1,24 @@
 <===> input.scss
-@function fncall($void) {
-  @return "key";
-}
-
-$map: (
-  fncall(1+2): 'foo',
-  fncall(1+2): 'bar',
-);
-
-.foo {
-  content: inspect($map);
+@use "sass:meta";
+
+@function fncall($void) {
+  @return "key";
+}
+
+$map: (
+  fncall(1+2): 'foo',
+  fncall(1+2): 'bar',
+);
+
+.foo {
+  content: meta.inspect($map);
 }
 <===> error
 Error: Duplicate key.
   ,
-6 |   fncall(1+2): 'foo',
+8 |   fncall(1+2): 'foo',
   |   =========== first key
-7 |   fncall(1+2): 'bar',
+9 |   fncall(1+2): 'bar',
   |   ^^^^^^^^^^^ second key
   '
-  input.scss 7:3  root stylesheet
+  input.scss 9:3  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1169/error/interpolate.hrx b/spec/libsass-closed-issues/issue_1169/error/interpolate.hrx
index 5b9c7f7f89..cff83db364 100644
--- a/spec/libsass-closed-issues/issue_1169/error/interpolate.hrx
+++ b/spec/libsass-closed-issues/issue_1169/error/interpolate.hrx
@@ -1,18 +1,20 @@
 <===> input.scss
-$map: (
-  'red': 'bar',
-  #{re}#{'d'}: 'baz',
-);
-
-.foo {
-  content: inspect($map);
+@use "sass:meta";
+
+$map: (
+  'red': 'bar',
+  #{re}#{'d'}: 'baz',
+);
+
+.foo {
+  content: meta.inspect($map);
 }
 <===> error
 Error: Duplicate key.
   ,
-2 |   'red': 'bar',
+4 |   'red': 'bar',
   |   ===== first key
-3 |   #{re}#{'d'}: 'baz',
+5 |   #{re}#{'d'}: 'baz',
   |   ^^^^^^^^^^^ second key
   '
-  input.scss 3:3  root stylesheet
+  input.scss 5:3  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1169/error/simple.hrx b/spec/libsass-closed-issues/issue_1169/error/simple.hrx
index 9d544844e3..7c3ec8be17 100644
--- a/spec/libsass-closed-issues/issue_1169/error/simple.hrx
+++ b/spec/libsass-closed-issues/issue_1169/error/simple.hrx
@@ -1,11 +1,13 @@
 <===> input.scss
-$map: (
-  red: 'bar',
-  #{red}: 'baz',
-);
-
-.foo {
-  content: inspect($map);
+@use "sass:meta";
+
+$map: (
+  red: 'bar',
+  #{red}: 'baz',
+);
+
+.foo {
+  content: meta.inspect($map);
 }
 <===> output.css
 .foo {
diff --git a/spec/libsass-closed-issues/issue_1169/functioncall.hrx b/spec/libsass-closed-issues/issue_1169/functioncall.hrx
index 84f0fc33e0..c076f0006a 100644
--- a/spec/libsass-closed-issues/issue_1169/functioncall.hrx
+++ b/spec/libsass-closed-issues/issue_1169/functioncall.hrx
@@ -1,4 +1,6 @@
 <===> input.scss
+@use "sass:meta";
+
 $count: 0;
 
 @function counter() {
@@ -12,7 +14,7 @@ $map: (
 );
 
 .foo {
-  content: inspect($map);
+  content: meta.inspect($map);
 }
 <===> output.css
 .foo {
diff --git a/spec/libsass-closed-issues/issue_1169/interpolated.hrx b/spec/libsass-closed-issues/issue_1169/interpolated.hrx
index efe3ff151e..501644bc7d 100644
--- a/spec/libsass-closed-issues/issue_1169/interpolated.hrx
+++ b/spec/libsass-closed-issues/issue_1169/interpolated.hrx
@@ -1,22 +1,25 @@
 <===> input.scss
+@use "sass:map";
+@use "sass:meta";
+
 $map1: ( red: 'literal', transparent: 'literal' );
 $map2: ( 'red': 'quoted', transparent: 'quoted' );
 $map3: ( #{re}#{d}: 'interpolated', #{trans}#{parent}: 'quoted' );
 
 foo {
-  content: inspect($map1);
-  content: inspect($map2);
-  content: inspect($map3);
+  content: meta.inspect($map1);
+  content: meta.inspect($map2);
+  content: meta.inspect($map3);
 }
 
-$merge1: map-merge($map1, $map2);
-$merge2: map-merge($map1, $map3);
-$merge3: map-merge($map2, $map3);
+$merge1: map.merge($map1, $map2);
+$merge2: map.merge($map1, $map3);
+$merge3: map.merge($map2, $map3);
 
 bar {
-  content: inspect($merge1);
-  content: inspect($merge2);
-  content: inspect($merge3);
+  content: meta.inspect($merge1);
+  content: meta.inspect($merge2);
+  content: meta.inspect($merge3);
 }
 <===> output.css
 foo {
diff --git a/spec/libsass-closed-issues/issue_1169/simple.hrx b/spec/libsass-closed-issues/issue_1169/simple.hrx
index c95c0ee17c..93dd51a6e4 100644
--- a/spec/libsass-closed-issues/issue_1169/simple.hrx
+++ b/spec/libsass-closed-issues/issue_1169/simple.hrx
@@ -1,17 +1,19 @@
 <===> input.scss
-$map1: (
-   red: 'bar',
-  'red': 'foo',
-);
-
-$map2: (
-   red: 'bar',
-  'red': #{red},
-);
-
-.foo {
-  content: inspect($map1);
-  content: inspect($map2);
+@use "sass:meta";
+
+$map1: (
+   red: 'bar',
+  'red': 'foo',
+);
+
+$map2: (
+   red: 'bar',
+  'red': #{red},
+);
+
+.foo {
+  content: meta.inspect($map1);
+  content: meta.inspect($map2);
 }
 <===> output.css
 .foo {
diff --git a/spec/libsass-closed-issues/issue_1178.hrx b/spec/libsass-closed-issues/issue_1178.hrx
index 876d88c73d..e3a50f7d96 100644
--- a/spec/libsass-closed-issues/issue_1178.hrx
+++ b/spec/libsass-closed-issues/issue_1178.hrx
@@ -1,11 +1,13 @@
 <===> input.scss
+@use "sass:meta";
+
 $foo: ((4, 5), 6, (7 8) 9);
 
 bar {
   a: $foo;
   f: 1 2 3 + $foo;
   b: 1, 2, 3 + (2 ($foo));
-  x: inspect($foo);
+  x: meta.inspect($foo);
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_1187.hrx b/spec/libsass-closed-issues/issue_1187.hrx
index 3080da6d84..e8d941cf41 100644
--- a/spec/libsass-closed-issues/issue_1187.hrx
+++ b/spec/libsass-closed-issues/issue_1187.hrx
@@ -1,4 +1,6 @@
 <===> input.scss
+@use "sass:meta";
+
 $a: 'foo';
 $b: 'foo';
 $map: (
@@ -8,14 +10,14 @@ $map: (
 
 .foo {
   content: $a == $b;
-  content: inspect($map);
+  content: meta.inspect($map);
 }
 <===> error
 Error: Duplicate key.
   ,
-4 |   $a: 1,
+6 |   $a: 1,
   |   == first key
-5 |   $b: 2
+7 |   $b: 2
   |   ^^ second key
   '
-  input.scss 5:3  root stylesheet
+  input.scss 7:3  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1192.hrx b/spec/libsass-closed-issues/issue_1192.hrx
index f69ffc635f..33fcef5cc2 100644
--- a/spec/libsass-closed-issues/issue_1192.hrx
+++ b/spec/libsass-closed-issues/issue_1192.hrx
@@ -1,10 +1,12 @@
 <===> input.scss
+@use "sass:meta";
+
 $keyword: foobar;
 
 @mixin test($arglist...){
   $map: keywords($arglist);
-  /*#{inspect($map)}*/
-  /*#{inspect($arglist)}*/
+  /*#{meta.inspect($map)}*/
+  /*#{meta.inspect($arglist)}*/
 }
 
 // Works
diff --git a/spec/libsass-closed-issues/issue_1269.hrx b/spec/libsass-closed-issues/issue_1269.hrx
index 73f07cc434..572ee92087 100644
--- a/spec/libsass-closed-issues/issue_1269.hrx
+++ b/spec/libsass-closed-issues/issue_1269.hrx
@@ -1,12 +1,15 @@
 <===> input.scss
+@use "sass:list";
+@use "sass:meta";
+
 @function push($list, $items...) {
-  @return join($list, $items, $separator: auto);
+  @return list.join($list, $items, $separator: auto);
 }
 
 .test {
   $list: push(1 2 3, 4, 5);
-  list: inspect($list);
-  value: nth($list, 4);
+  list: meta.inspect($list);
+  value: list.nth($list, 4);
 }
 <===> output.css
 .test {
diff --git a/spec/libsass-closed-issues/issue_1283.hrx b/spec/libsass-closed-issues/issue_1283.hrx
index 59d43b8a80..940a3181e3 100644
--- a/spec/libsass-closed-issues/issue_1283.hrx
+++ b/spec/libsass-closed-issues/issue_1283.hrx
@@ -1,8 +1,11 @@
 <===> input.scss
-$map: map-merge((1 2: 3), (2 1: 3));
+@use "sass:map";
+@use "sass:meta";
+
+$map: map.merge((1 2: 3), (2 1: 3));
 
 .test {
-  test: inspect($map);
+  test: meta.inspect($map);
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_1583.hrx b/spec/libsass-closed-issues/issue_1583.hrx
index d6696fde67..51a18f23a7 100644
--- a/spec/libsass-closed-issues/issue_1583.hrx
+++ b/spec/libsass-closed-issues/issue_1583.hrx
@@ -1,28 +1,32 @@
 <===> input.scss
+@use "sass:list";
+@use "sass:meta";
+@use "sass:string";
+
 $ls: ((foo,));
 
 foo {
-  baz: length($ls);
-  baz: type-of($ls);
-  baz: inspect($ls);
+  baz: list.length($ls);
+  baz: meta.type-of($ls);
+  baz: meta.inspect($ls);
 }
 
 bar {
-  baz: length(&);
-  baz: type-of(&);
-  baz: inspect(&);
+  baz: list.length(&);
+  baz: meta.type-of(&);
+  baz: meta.inspect(&);
 }
 
 foo {
-  string: inspect(&);
-  str-length: str-length(inspect(&));
+  string: meta.inspect(&);
+  str-length: str-length(meta.inspect(&));
   list-length: length(&);
 }
 
 foo, bar {
-  string: inspect(&);
-  str-length: str-length(inspect(&));
-  list-length: length(&);
+  string: meta.inspect(&);
+  str-length: string.length(meta.inspect(&));
+  list-length: list.length(&);
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_1604.hrx b/spec/libsass-closed-issues/issue_1604.hrx
index 2ba63f8414..205d552323 100644
--- a/spec/libsass-closed-issues/issue_1604.hrx
+++ b/spec/libsass-closed-issues/issue_1604.hrx
@@ -1,12 +1,15 @@
 <===> input.scss
+@use "sass:list";
+@use "sass:meta";
+
 @function test($args...) {
   $all: ();
 
   @each $arg in $args {
-    $all: append($all, $arg);
+    $all: list.append($all, $arg);
   }
 
-  @return inspect($all);
+  @return meta.inspect($all);
 }
 
 test {
diff --git a/spec/libsass-closed-issues/issue_1709.hrx b/spec/libsass-closed-issues/issue_1709.hrx
index 7a1d654268..13eb585d2f 100644
--- a/spec/libsass-closed-issues/issue_1709.hrx
+++ b/spec/libsass-closed-issues/issue_1709.hrx
@@ -1,7 +1,9 @@
 <===> input.scss
+@use "sass:meta";
+
 @mixin transition( $prefix_properties, $transitions... ) {
 
-    @if not str-index( inspect( $transitions ), ',') {
+    @if not str-index( meta.inspect( $transitions ), ',') {
         $transitions: ( $transitions );
     }
 
diff --git a/spec/libsass-closed-issues/issue_1723.hrx b/spec/libsass-closed-issues/issue_1723.hrx
index 0b823d18be..564d040d06 100644
--- a/spec/libsass-closed-issues/issue_1723.hrx
+++ b/spec/libsass-closed-issues/issue_1723.hrx
@@ -1,25 +1,27 @@
 <===> input.scss
-test-1 test-2 test-3 test-4 test-5,
-test-6 test-7 test-8 test-9 test-10 {
-    @each $set in & {
-        set: inspect($set);
-
-        @each $selector in $set {
-            selector: inspect($selector);
-        }
-    }
-}
-
-test-1 test-2 test-3 test-4 test-5,
-test-6 test-7 test-8 test-9 test-10 {
-    @for $i from 1 through length(&) {
-        $set: nth(&, $i);
-        set: inspect($set);
-
-        @each $selector in $set {
-            selector: inspect($selector);
-        }
-    }
+@use "sass:meta";
+
+test-1 test-2 test-3 test-4 test-5,
+test-6 test-7 test-8 test-9 test-10 {
+    @each $set in & {
+        set: meta.inspect($set);
+
+        @each $selector in $set {
+            selector: meta.inspect($selector);
+        }
+    }
+}
+
+test-1 test-2 test-3 test-4 test-5,
+test-6 test-7 test-8 test-9 test-10 {
+    @for $i from 1 through length(&) {
+        $set: nth(&, $i);
+        set: meta.inspect($set);
+
+        @each $selector in $set {
+            selector: meta.inspect($selector);
+        }
+    }
 }
 <===> output.css
 test-1 test-2 test-3 test-4 test-5,
diff --git a/spec/libsass-closed-issues/issue_2020.hrx b/spec/libsass-closed-issues/issue_2020.hrx
index bc496a3da3..12f1736e99 100644
--- a/spec/libsass-closed-issues/issue_2020.hrx
+++ b/spec/libsass-closed-issues/issue_2020.hrx
@@ -1,10 +1,12 @@
 <===> input.scss
-form {
-  $selector: nth(&, 1);
-  sel: inspect($selector);
-  $selector: nth($selector, 1);
-  sel: inspect($selector);
-} 
+@use "sass:meta";
+
+form {
+  $selector: nth(&, 1);
+  sel: meta.inspect($selector);
+  $selector: nth($selector, 1);
+  sel: meta.inspect($selector);
+}
 <===> output.css
 form {
   sel: form;
diff --git a/spec/libsass-closed-issues/issue_2330.hrx b/spec/libsass-closed-issues/issue_2330.hrx
index d7fbe0705f..21a534a1fe 100644
--- a/spec/libsass-closed-issues/issue_2330.hrx
+++ b/spec/libsass-closed-issues/issue_2330.hrx
@@ -1,17 +1,21 @@
 <===> input.scss
-@function test () {
-  $m: ();
-  $abc: (a b c d e f g h i j k);
-
-  @for $index from 1 through length($abc) {;
-    $m: map-merge($m, (nth($abc, $index):$index) );
-  }
-
-  @return $m;
-}
-
-test {
-  content: inspect(test());
+@use "sass:list";
+@use "sass:map";
+@use "sass:meta";
+
+@function test () {
+  $m: ();
+  $abc: (a b c d e f g h i j k);
+
+  @for $index from 1 through list.length($abc) {;
+    $m: map.merge($m, (list.nth($abc, $index):$index) );
+  }
+
+  @return $m;
+}
+
+test {
+  content: meta.inspect(test());
 }
 <===> output.css
 test {
diff --git a/spec/libsass-closed-issues/issue_2333.hrx b/spec/libsass-closed-issues/issue_2333.hrx
index 726ced1de6..0fed7e7eba 100644
--- a/spec/libsass-closed-issues/issue_2333.hrx
+++ b/spec/libsass-closed-issues/issue_2333.hrx
@@ -1,5 +1,7 @@
 <===> input.scss
-test { test: inspect((a:1,b:(foo,bar),c:3)); }
+@use "sass:meta";
+
+test { test: meta.inspect((a:1,b:(foo,bar),c:3)); }
 <===> output.css
 test {
   test: (a: 1, b: (foo, bar), c: 3);
diff --git a/spec/libsass-closed-issues/issue_238760.hrx b/spec/libsass-closed-issues/issue_238760.hrx
index e0ddd2cc42..f218471fdf 100644
--- a/spec/libsass-closed-issues/issue_238760.hrx
+++ b/spec/libsass-closed-issues/issue_238760.hrx
@@ -1,10 +1,12 @@
 <===> input.scss
-$id: inspect((a#b:c)...)
+@use "sass:meta";
+
+$id: meta.inspect((a#b:c)...)
 <===> error
 Error: Variable keyword argument map must have string keys.
 a #b is not a string in (a #b: c).
   ,
-1 | $id: inspect((a#b:c)...)
-  |              ^^^^^^^
+3 | $id: meta.inspect((a#b:c)...)
+  |                   ^^^^^^^
   '
-  input.scss 1:14  root stylesheet
+  input.scss 3:19  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_701.hrx b/spec/libsass-closed-issues/issue_701.hrx
index 3d79490caf..db4b96ce3e 100644
--- a/spec/libsass-closed-issues/issue_701.hrx
+++ b/spec/libsass-closed-issues/issue_701.hrx
@@ -1,17 +1,19 @@
 <===> input.scss
+@use "sass:meta";
+
 .test-1 {
   content: null;
-  content: inspect(null);
-  content: inspect(false);
-  content: inspect(true);
-  content: inspect(42);
-  content: inspect(42.3);
-  content: inspect(42px);
-  content: inspect("string");
+  content: meta.inspect(null);
+  content: meta.inspect(false);
+  content: meta.inspect(true);
+  content: meta.inspect(42);
+  content: meta.inspect(42.3);
+  content: meta.inspect(42px);
+  content: meta.inspect("string");
   $list: 1, 2, 3;
-  content: inspect($list);
+  content: meta.inspect($list);
   $map: ( a: 1, b: 2, c: 3 );
-  content: inspect($map);
+  content: meta.inspect($map);
 }
 
 <===> output.css
diff --git a/spec/values/maps/invalid-key.hrx b/spec/values/maps/invalid-key.hrx
index 65467733e0..945fe17a9b 100644
--- a/spec/values/maps/invalid-key.hrx
+++ b/spec/values/maps/invalid-key.hrx
@@ -1,10 +1,12 @@
 <===> input.scss
-$id: inspect((a,b:c)...)
+@use "sass:meta";
+
+$id: meta.inspect((a,b:c)...)
 
 <===> error
 Error: expected ")".
   ,
-1 | $id: inspect((a,b:c)...)
-  |                  ^
+3 | $id: meta.inspect((a,b:c)...)
+  |                       ^
   '
-  input.scss 1:18  root stylesheet
+  input.scss 3:23  root stylesheet
diff --git a/spec/values/numbers/modulo/zeros.hrx b/spec/values/numbers/modulo/zeros.hrx
index 2a81b0915c..9ebf56ffe4 100644
--- a/spec/values/numbers/modulo/zeros.hrx
+++ b/spec/values/numbers/modulo/zeros.hrx
@@ -46,8 +46,10 @@ a {
 <===>
 ================================================================================
 <===> zero_divider/input.scss
+@use "sass:meta";
+
 a {
-  b: inspect(1 % 0);
+  b: meta.inspect(1 % 0);
 }
 
 <===> zero_divider/output.css
diff --git a/spec/values/numbers/units/multiple/divide_by_multiple_denominators.hrx b/spec/values/numbers/units/multiple/divide_by_multiple_denominators.hrx
index 207b314898..64e9092aea 100644
--- a/spec/values/numbers/units/multiple/divide_by_multiple_denominators.hrx
+++ b/spec/values/numbers/units/multiple/divide_by_multiple_denominators.hrx
@@ -1,6 +1,7 @@
 <===> input.scss
+@use "sass:meta";
 a {
-  b: inspect(1 / (1 / 1px / 1rad));
+  b: meta.inspect(1 / (1 / 1px / 1rad));
 }
 
 <===> output.css
@@ -16,10 +17,10 @@ Recommendation: math.div(1, 1px) or calc(1 / 1px)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-2 |   b: inspect(1 / (1 / 1px / 1rad));
-  |                   ^^^^^^^
+3 |   b: meta.inspect(1 / (1 / 1px / 1rad));
+  |                        ^^^^^^^
   '
-    input.scss 2:19  root stylesheet
+    input.scss 3:24  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -28,10 +29,10 @@ Recommendation: math.div(math.div(1, 1px), 1rad) or calc(1 / 1px / 1rad)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-2 |   b: inspect(1 / (1 / 1px / 1rad));
-  |                   ^^^^^^^^^^^^^^
+3 |   b: meta.inspect(1 / (1 / 1px / 1rad));
+  |                        ^^^^^^^^^^^^^^
   '
-    input.scss 2:19  root stylesheet
+    input.scss 3:24  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -40,7 +41,7 @@ Recommendation: math.div(1, 1 / 1px / 1rad) or calc(1 / (1 / 1px / 1rad))
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-2 |   b: inspect(1 / (1 / 1px / 1rad));
-  |              ^^^^^^^^^^^^^^^^^^^^
+3 |   b: meta.inspect(1 / (1 / 1px / 1rad));
+  |                   ^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 2:14  root stylesheet
+    input.scss 3:19  root stylesheet
diff --git a/spec/values/numbers/units/multiple/divide_by_multiple_numerators.hrx b/spec/values/numbers/units/multiple/divide_by_multiple_numerators.hrx
index ccbc7883ae..56889cffaf 100644
--- a/spec/values/numbers/units/multiple/divide_by_multiple_numerators.hrx
+++ b/spec/values/numbers/units/multiple/divide_by_multiple_numerators.hrx
@@ -1,6 +1,7 @@
 <===> input.scss
+@use "sass:meta";
 a {
-  b: inspect(1 / (1px * 1rad));
+  b: meta.inspect(1 / (1px * 1rad));
 }
 
 <===> output.css
@@ -16,7 +17,7 @@ Recommendation: math.div(1, 1px * 1rad) or calc(1 / (1px * 1rad))
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-2 |   b: inspect(1 / (1px * 1rad));
-  |              ^^^^^^^^^^^^^^^^
+3 |   b: meta.inspect(1 / (1px * 1rad));
+  |                   ^^^^^^^^^^^^^^^^
   '
-    input.scss 2:14  root stylesheet
+    input.scss 3:19  root stylesheet
diff --git a/spec/values/numbers/units/multiple/division_cancels_both.hrx b/spec/values/numbers/units/multiple/division_cancels_both.hrx
index 463b745011..56c4394dc8 100644
--- a/spec/values/numbers/units/multiple/division_cancels_both.hrx
+++ b/spec/values/numbers/units/multiple/division_cancels_both.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:meta";
 $number: 1px * 1rad / 1ms / 1Hz;
 a {
-  b: inspect($number / (1px / 1ms));
+  b: meta.inspect($number / (1px / 1ms));
 }
 
 <===> output.css
@@ -17,10 +18,10 @@ Recommendation: math.div(1px * 1rad, 1ms) or calc(1px * 1rad / 1ms)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $number: 1px * 1rad / 1ms / 1Hz;
+2 | $number: 1px * 1rad / 1ms / 1Hz;
   |          ^^^^^^^^^^^^^^^^
   '
-    input.scss 1:10  root stylesheet
+    input.scss 2:10  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -29,10 +30,10 @@ Recommendation: math.div(math.div(1px * 1rad, 1ms), 1Hz) or calc(1px * 1rad / 1m
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $number: 1px * 1rad / 1ms / 1Hz;
+2 | $number: 1px * 1rad / 1ms / 1Hz;
   |          ^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:10  root stylesheet
+    input.scss 2:10  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -41,10 +42,10 @@ Recommendation: math.div(1px, 1ms) or calc(1px / 1ms)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-3 |   b: inspect($number / (1px / 1ms));
-  |                         ^^^^^^^^^
+4 |   b: meta.inspect($number / (1px / 1ms));
+  |                              ^^^^^^^^^
   '
-    input.scss 3:25  root stylesheet
+    input.scss 4:30  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -53,7 +54,7 @@ Recommendation: math.div($number, 1px / 1ms) or calc($number / (1px / 1ms))
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-3 |   b: inspect($number / (1px / 1ms));
-  |              ^^^^^^^^^^^^^^^^^^^^^
+4 |   b: meta.inspect($number / (1px / 1ms));
+  |                   ^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 3:14  root stylesheet
+    input.scss 4:19  root stylesheet
diff --git a/spec/values/numbers/units/multiple/division_cancels_compatible.hrx b/spec/values/numbers/units/multiple/division_cancels_compatible.hrx
index 4b3b6bc5fd..bd125d55df 100644
--- a/spec/values/numbers/units/multiple/division_cancels_compatible.hrx
+++ b/spec/values/numbers/units/multiple/division_cancels_compatible.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:meta";
 $number: 1px * 1rad / 1ms / 1Hz;
 a {
-  b: inspect($number / 1in);
+  b: meta.inspect($number / 1in);
 }
 
 <===> output.css
@@ -17,10 +18,10 @@ Recommendation: math.div(1px * 1rad, 1ms) or calc(1px * 1rad / 1ms)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $number: 1px * 1rad / 1ms / 1Hz;
+2 | $number: 1px * 1rad / 1ms / 1Hz;
   |          ^^^^^^^^^^^^^^^^
   '
-    input.scss 1:10  root stylesheet
+    input.scss 2:10  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -29,10 +30,10 @@ Recommendation: math.div(math.div(1px * 1rad, 1ms), 1Hz) or calc(1px * 1rad / 1m
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $number: 1px * 1rad / 1ms / 1Hz;
+2 | $number: 1px * 1rad / 1ms / 1Hz;
   |          ^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:10  root stylesheet
+    input.scss 2:10  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -41,7 +42,7 @@ Recommendation: math.div($number, 1in) or calc($number / 1in)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-3 |   b: inspect($number / 1in);
-  |              ^^^^^^^^^^^^^
+4 |   b: meta.inspect($number / 1in);
+  |                   ^^^^^^^^^^^^^
   '
-    input.scss 3:14  root stylesheet
+    input.scss 4:19  root stylesheet
diff --git a/spec/values/numbers/units/multiple/division_cancels_denominator.hrx b/spec/values/numbers/units/multiple/division_cancels_denominator.hrx
index ff5bb5d28f..131ca9e7f3 100644
--- a/spec/values/numbers/units/multiple/division_cancels_denominator.hrx
+++ b/spec/values/numbers/units/multiple/division_cancels_denominator.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:meta";
 $number: 1px * 1rad / 1ms / 1Hz;
 a {
-  b: inspect($number / (1 / 1ms));
+  b: meta.inspect($number / (1 / 1ms));
 }
 
 <===> output.css
@@ -17,10 +18,10 @@ Recommendation: math.div(1px * 1rad, 1ms) or calc(1px * 1rad / 1ms)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $number: 1px * 1rad / 1ms / 1Hz;
+2 | $number: 1px * 1rad / 1ms / 1Hz;
   |          ^^^^^^^^^^^^^^^^
   '
-    input.scss 1:10  root stylesheet
+    input.scss 2:10  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -29,10 +30,10 @@ Recommendation: math.div(math.div(1px * 1rad, 1ms), 1Hz) or calc(1px * 1rad / 1m
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $number: 1px * 1rad / 1ms / 1Hz;
+2 | $number: 1px * 1rad / 1ms / 1Hz;
   |          ^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:10  root stylesheet
+    input.scss 2:10  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -41,10 +42,10 @@ Recommendation: math.div(1, 1ms) or calc(1 / 1ms)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-3 |   b: inspect($number / (1 / 1ms));
-  |                         ^^^^^^^
+4 |   b: meta.inspect($number / (1 / 1ms));
+  |                              ^^^^^^^
   '
-    input.scss 3:25  root stylesheet
+    input.scss 4:30  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -53,7 +54,7 @@ Recommendation: math.div($number, 1 / 1ms) or calc($number / (1 / 1ms))
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-3 |   b: inspect($number / (1 / 1ms));
-  |              ^^^^^^^^^^^^^^^^^^^
+4 |   b: meta.inspect($number / (1 / 1ms));
+  |                   ^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 3:14  root stylesheet
+    input.scss 4:19  root stylesheet
diff --git a/spec/values/numbers/units/multiple/division_cancels_denominator_twice.hrx b/spec/values/numbers/units/multiple/division_cancels_denominator_twice.hrx
index 9b201fc6af..9d530d07a7 100644
--- a/spec/values/numbers/units/multiple/division_cancels_denominator_twice.hrx
+++ b/spec/values/numbers/units/multiple/division_cancels_denominator_twice.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:meta";
 $number: 1px * 1rad / 1ms / 1Hz;
 a {
-  b: inspect($number / (1 / 1ms / 1Hz));
+  b: meta.inspect($number / (1 / 1ms / 1Hz));
 }
 
 <===> output.css
@@ -17,10 +18,10 @@ Recommendation: math.div(1px * 1rad, 1ms) or calc(1px * 1rad / 1ms)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $number: 1px * 1rad / 1ms / 1Hz;
+2 | $number: 1px * 1rad / 1ms / 1Hz;
   |          ^^^^^^^^^^^^^^^^
   '
-    input.scss 1:10  root stylesheet
+    input.scss 2:10  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -29,10 +30,10 @@ Recommendation: math.div(math.div(1px * 1rad, 1ms), 1Hz) or calc(1px * 1rad / 1m
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $number: 1px * 1rad / 1ms / 1Hz;
+2 | $number: 1px * 1rad / 1ms / 1Hz;
   |          ^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:10  root stylesheet
+    input.scss 2:10  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -41,10 +42,10 @@ Recommendation: math.div(1, 1ms) or calc(1 / 1ms)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-3 |   b: inspect($number / (1 / 1ms / 1Hz));
-  |                         ^^^^^^^
+4 |   b: meta.inspect($number / (1 / 1ms / 1Hz));
+  |                              ^^^^^^^
   '
-    input.scss 3:25  root stylesheet
+    input.scss 4:30  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -53,10 +54,10 @@ Recommendation: math.div(math.div(1, 1ms), 1Hz) or calc(1 / 1ms / 1Hz)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-3 |   b: inspect($number / (1 / 1ms / 1Hz));
-  |                         ^^^^^^^^^^^^^
+4 |   b: meta.inspect($number / (1 / 1ms / 1Hz));
+  |                              ^^^^^^^^^^^^^
   '
-    input.scss 3:25  root stylesheet
+    input.scss 4:30  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -65,7 +66,7 @@ Recommendation: math.div($number, 1 / 1ms / 1Hz) or calc($number / (1 / 1ms / 1H
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-3 |   b: inspect($number / (1 / 1ms / 1Hz));
-  |              ^^^^^^^^^^^^^^^^^^^^^^^^^
+4 |   b: meta.inspect($number / (1 / 1ms / 1Hz));
+  |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 3:14  root stylesheet
+    input.scss 4:19  root stylesheet
diff --git a/spec/values/numbers/units/multiple/division_cancels_numerator.hrx b/spec/values/numbers/units/multiple/division_cancels_numerator.hrx
index b35ffcf2d0..6188796ddb 100644
--- a/spec/values/numbers/units/multiple/division_cancels_numerator.hrx
+++ b/spec/values/numbers/units/multiple/division_cancels_numerator.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:meta";
 $number: 1px * 1rad / 1ms / 1Hz;
 a {
-  b: inspect($number / 1px);
+  b: meta.inspect($number / 1px);
 }
 
 <===> output.css
@@ -17,10 +18,10 @@ Recommendation: math.div(1px * 1rad, 1ms) or calc(1px * 1rad / 1ms)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $number: 1px * 1rad / 1ms / 1Hz;
+2 | $number: 1px * 1rad / 1ms / 1Hz;
   |          ^^^^^^^^^^^^^^^^
   '
-    input.scss 1:10  root stylesheet
+    input.scss 2:10  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -29,10 +30,10 @@ Recommendation: math.div(math.div(1px * 1rad, 1ms), 1Hz) or calc(1px * 1rad / 1m
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $number: 1px * 1rad / 1ms / 1Hz;
+2 | $number: 1px * 1rad / 1ms / 1Hz;
   |          ^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:10  root stylesheet
+    input.scss 2:10  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -41,7 +42,7 @@ Recommendation: math.div($number, 1px) or calc($number / 1px)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-3 |   b: inspect($number / 1px);
-  |              ^^^^^^^^^^^^^
+4 |   b: meta.inspect($number / 1px);
+  |                   ^^^^^^^^^^^^^
   '
-    input.scss 3:14  root stylesheet
+    input.scss 4:19  root stylesheet
diff --git a/spec/values/numbers/units/multiple/division_cancels_numerator_twice.hrx b/spec/values/numbers/units/multiple/division_cancels_numerator_twice.hrx
index ec7d700e94..5629bc2204 100644
--- a/spec/values/numbers/units/multiple/division_cancels_numerator_twice.hrx
+++ b/spec/values/numbers/units/multiple/division_cancels_numerator_twice.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:meta";
 $number: 1px * 1rad / 1ms / 1Hz;
 a {
-  b: inspect($number / (1px * 1rad));
+  b: meta.inspect($number / (1px * 1rad));
 }
 
 <===> output.css
@@ -17,10 +18,10 @@ Recommendation: math.div(1px * 1rad, 1ms) or calc(1px * 1rad / 1ms)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $number: 1px * 1rad / 1ms / 1Hz;
+2 | $number: 1px * 1rad / 1ms / 1Hz;
   |          ^^^^^^^^^^^^^^^^
   '
-    input.scss 1:10  root stylesheet
+    input.scss 2:10  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -29,10 +30,10 @@ Recommendation: math.div(math.div(1px * 1rad, 1ms), 1Hz) or calc(1px * 1rad / 1m
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $number: 1px * 1rad / 1ms / 1Hz;
+2 | $number: 1px * 1rad / 1ms / 1Hz;
   |          ^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:10  root stylesheet
+    input.scss 2:10  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -41,7 +42,7 @@ Recommendation: math.div($number, 1px * 1rad) or calc($number / (1px * 1rad))
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-3 |   b: inspect($number / (1px * 1rad));
-  |              ^^^^^^^^^^^^^^^^^^^^^^
+4 |   b: meta.inspect($number / (1px * 1rad));
+  |                   ^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 3:14  root stylesheet
+    input.scss 4:19  root stylesheet
diff --git a/spec/values/numbers/units/multiple/division_cancels_unknown.hrx b/spec/values/numbers/units/multiple/division_cancels_unknown.hrx
index 910a8baf14..c61ac53787 100644
--- a/spec/values/numbers/units/multiple/division_cancels_unknown.hrx
+++ b/spec/values/numbers/units/multiple/division_cancels_unknown.hrx
@@ -1,8 +1,9 @@
 <===> input.scss
+@use "sass:meta";
 // Units cancel even if they're totally unknown to Sass.
 $number: 1foo * 1bar / 1baz / 1qux;
 a {
-  b: inspect($number / 1foo);
+  b: meta.inspect($number / 1foo);
 }
 
 <===> output.css
@@ -18,10 +19,10 @@ Recommendation: math.div(1foo * 1bar, 1baz) or calc(1foo * 1bar / 1baz)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-2 | $number: 1foo * 1bar / 1baz / 1qux;
+3 | $number: 1foo * 1bar / 1baz / 1qux;
   |          ^^^^^^^^^^^^^^^^^^
   '
-    input.scss 2:10  root stylesheet
+    input.scss 3:10  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -30,10 +31,10 @@ Recommendation: math.div(math.div(1foo * 1bar, 1baz), 1qux) or calc(1foo * 1bar
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-2 | $number: 1foo * 1bar / 1baz / 1qux;
+3 | $number: 1foo * 1bar / 1baz / 1qux;
   |          ^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 2:10  root stylesheet
+    input.scss 3:10  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -42,7 +43,7 @@ Recommendation: math.div($number, 1foo) or calc($number / 1foo)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-4 |   b: inspect($number / 1foo);
-  |              ^^^^^^^^^^^^^^
+5 |   b: meta.inspect($number / 1foo);
+  |                   ^^^^^^^^^^^^^^
   '
-    input.scss 4:14  root stylesheet
+    input.scss 5:19  root stylesheet
diff --git a/spec/values/numbers/units/multiple/multiple_denominators.hrx b/spec/values/numbers/units/multiple/multiple_denominators.hrx
index d0e476be60..e60276ed28 100644
--- a/spec/values/numbers/units/multiple/multiple_denominators.hrx
+++ b/spec/values/numbers/units/multiple/multiple_denominators.hrx
@@ -1,6 +1,7 @@
 <===> input.scss
+@use "sass:meta";
 a {
-  b: inspect((1 / 1px / 1rad));
+  b: meta.inspect((1 / 1px / 1rad));
 }
 
 <===> output.css
@@ -16,10 +17,10 @@ Recommendation: math.div(1, 1px) or calc(1 / 1px)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-2 |   b: inspect((1 / 1px / 1rad));
-  |               ^^^^^^^
+3 |   b: meta.inspect((1 / 1px / 1rad));
+  |                    ^^^^^^^
   '
-    input.scss 2:15  root stylesheet
+    input.scss 3:20  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -28,7 +29,7 @@ Recommendation: math.div(math.div(1, 1px), 1rad) or calc(1 / 1px / 1rad)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-2 |   b: inspect((1 / 1px / 1rad));
-  |               ^^^^^^^^^^^^^^
+3 |   b: meta.inspect((1 / 1px / 1rad));
+  |                    ^^^^^^^^^^^^^^
   '
-    input.scss 2:15  root stylesheet
+    input.scss 3:20  root stylesheet
diff --git a/spec/values/numbers/units/multiple/multiple_numerators.hrx b/spec/values/numbers/units/multiple/multiple_numerators.hrx
index 125233ce55..94dd1f004e 100644
--- a/spec/values/numbers/units/multiple/multiple_numerators.hrx
+++ b/spec/values/numbers/units/multiple/multiple_numerators.hrx
@@ -1,6 +1,7 @@
 <===> input.scss
+@use "sass:meta";
 a {
-  b: inspect(1px * 1rad);
+  b: meta.inspect(1px * 1rad);
 }
 
 <===> output.css
diff --git a/spec/values/numbers/units/multiple/multiplication_cancels_both.hrx b/spec/values/numbers/units/multiple/multiplication_cancels_both.hrx
index 30ee9a9dd6..9b670cd498 100644
--- a/spec/values/numbers/units/multiple/multiplication_cancels_both.hrx
+++ b/spec/values/numbers/units/multiple/multiplication_cancels_both.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:meta";
 $number: 1px * 1rad / 1ms / 1Hz;
 a {
-  b: inspect($number * (1ms / 1px));
+  b: meta.inspect($number * (1ms / 1px));
 }
 
 <===> output.css
@@ -17,10 +18,10 @@ Recommendation: math.div(1px * 1rad, 1ms) or calc(1px * 1rad / 1ms)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $number: 1px * 1rad / 1ms / 1Hz;
+2 | $number: 1px * 1rad / 1ms / 1Hz;
   |          ^^^^^^^^^^^^^^^^
   '
-    input.scss 1:10  root stylesheet
+    input.scss 2:10  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -29,10 +30,10 @@ Recommendation: math.div(math.div(1px * 1rad, 1ms), 1Hz) or calc(1px * 1rad / 1m
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $number: 1px * 1rad / 1ms / 1Hz;
+2 | $number: 1px * 1rad / 1ms / 1Hz;
   |          ^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:10  root stylesheet
+    input.scss 2:10  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -41,7 +42,7 @@ Recommendation: math.div(1ms, 1px) or calc(1ms / 1px)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-3 |   b: inspect($number * (1ms / 1px));
-  |                         ^^^^^^^^^
+4 |   b: meta.inspect($number * (1ms / 1px));
+  |                              ^^^^^^^^^
   '
-    input.scss 3:25  root stylesheet
+    input.scss 4:30  root stylesheet
diff --git a/spec/values/numbers/units/multiple/multiplication_cancels_compatible.hrx b/spec/values/numbers/units/multiple/multiplication_cancels_compatible.hrx
index 38266e904a..e0bb186abb 100644
--- a/spec/values/numbers/units/multiple/multiplication_cancels_compatible.hrx
+++ b/spec/values/numbers/units/multiple/multiplication_cancels_compatible.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:meta";
 $number: 1px * 1rad / 1ms / 1Hz;
 a {
-  b: inspect($number * 1s);
+  b: meta.inspect($number * 1s);
 }
 
 <===> output.css
@@ -17,10 +18,10 @@ Recommendation: math.div(1px * 1rad, 1ms) or calc(1px * 1rad / 1ms)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $number: 1px * 1rad / 1ms / 1Hz;
+2 | $number: 1px * 1rad / 1ms / 1Hz;
   |          ^^^^^^^^^^^^^^^^
   '
-    input.scss 1:10  root stylesheet
+    input.scss 2:10  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -29,7 +30,7 @@ Recommendation: math.div(math.div(1px * 1rad, 1ms), 1Hz) or calc(1px * 1rad / 1m
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $number: 1px * 1rad / 1ms / 1Hz;
+2 | $number: 1px * 1rad / 1ms / 1Hz;
   |          ^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:10  root stylesheet
+    input.scss 2:10  root stylesheet
diff --git a/spec/values/numbers/units/multiple/multiplication_cancels_denominator.hrx b/spec/values/numbers/units/multiple/multiplication_cancels_denominator.hrx
index e075e321f8..16a8791a8d 100644
--- a/spec/values/numbers/units/multiple/multiplication_cancels_denominator.hrx
+++ b/spec/values/numbers/units/multiple/multiplication_cancels_denominator.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:meta";
 $number: 1px * 1rad / 1ms / 1Hz;
 a {
-  b: inspect($number * 1ms);
+  b: meta.inspect($number * 1ms);
 }
 
 <===> output.css
@@ -17,10 +18,10 @@ Recommendation: math.div(1px * 1rad, 1ms) or calc(1px * 1rad / 1ms)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $number: 1px * 1rad / 1ms / 1Hz;
+2 | $number: 1px * 1rad / 1ms / 1Hz;
   |          ^^^^^^^^^^^^^^^^
   '
-    input.scss 1:10  root stylesheet
+    input.scss 2:10  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -29,7 +30,7 @@ Recommendation: math.div(math.div(1px * 1rad, 1ms), 1Hz) or calc(1px * 1rad / 1m
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $number: 1px * 1rad / 1ms / 1Hz;
+2 | $number: 1px * 1rad / 1ms / 1Hz;
   |          ^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:10  root stylesheet
+    input.scss 2:10  root stylesheet
diff --git a/spec/values/numbers/units/multiple/multiplication_cancels_denominator_twice.hrx b/spec/values/numbers/units/multiple/multiplication_cancels_denominator_twice.hrx
index 1c471b9bbf..af9cfcc4e2 100644
--- a/spec/values/numbers/units/multiple/multiplication_cancels_denominator_twice.hrx
+++ b/spec/values/numbers/units/multiple/multiplication_cancels_denominator_twice.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:meta";
 $number: 1px * 1rad / 1ms / 1Hz;
 a {
-  b: inspect($number * (1ms * 1Hz));
+  b: meta.inspect($number * (1ms * 1Hz));
 }
 
 <===> output.css
@@ -17,10 +18,10 @@ Recommendation: math.div(1px * 1rad, 1ms) or calc(1px * 1rad / 1ms)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $number: 1px * 1rad / 1ms / 1Hz;
+2 | $number: 1px * 1rad / 1ms / 1Hz;
   |          ^^^^^^^^^^^^^^^^
   '
-    input.scss 1:10  root stylesheet
+    input.scss 2:10  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -29,7 +30,7 @@ Recommendation: math.div(math.div(1px * 1rad, 1ms), 1Hz) or calc(1px * 1rad / 1m
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $number: 1px * 1rad / 1ms / 1Hz;
+2 | $number: 1px * 1rad / 1ms / 1Hz;
   |          ^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:10  root stylesheet
+    input.scss 2:10  root stylesheet
diff --git a/spec/values/numbers/units/multiple/multiplication_cancels_numerator.hrx b/spec/values/numbers/units/multiple/multiplication_cancels_numerator.hrx
index ccf7dea844..620adf4ab9 100644
--- a/spec/values/numbers/units/multiple/multiplication_cancels_numerator.hrx
+++ b/spec/values/numbers/units/multiple/multiplication_cancels_numerator.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:meta";
 $number: 1px * 1rad / 1ms / 1Hz;
 a {
-  b: inspect($number * (1 / 1px));
+  b: meta.inspect($number * (1 / 1px));
 }
 
 <===> output.css
@@ -17,10 +18,10 @@ Recommendation: math.div(1px * 1rad, 1ms) or calc(1px * 1rad / 1ms)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $number: 1px * 1rad / 1ms / 1Hz;
+2 | $number: 1px * 1rad / 1ms / 1Hz;
   |          ^^^^^^^^^^^^^^^^
   '
-    input.scss 1:10  root stylesheet
+    input.scss 2:10  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -29,10 +30,10 @@ Recommendation: math.div(math.div(1px * 1rad, 1ms), 1Hz) or calc(1px * 1rad / 1m
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $number: 1px * 1rad / 1ms / 1Hz;
+2 | $number: 1px * 1rad / 1ms / 1Hz;
   |          ^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:10  root stylesheet
+    input.scss 2:10  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -41,7 +42,7 @@ Recommendation: math.div(1, 1px) or calc(1 / 1px)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-3 |   b: inspect($number * (1 / 1px));
-  |                         ^^^^^^^
+4 |   b: meta.inspect($number * (1 / 1px));
+  |                              ^^^^^^^
   '
-    input.scss 3:25  root stylesheet
+    input.scss 4:30  root stylesheet
diff --git a/spec/values/numbers/units/multiple/multiplication_cancels_numerator_twice.hrx b/spec/values/numbers/units/multiple/multiplication_cancels_numerator_twice.hrx
index 78fc1da7fa..92d4396a31 100644
--- a/spec/values/numbers/units/multiple/multiplication_cancels_numerator_twice.hrx
+++ b/spec/values/numbers/units/multiple/multiplication_cancels_numerator_twice.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:meta";
 $number: 1px * 1rad / 1ms / 1Hz;
 a {
-  b: inspect($number * (1 / 1px / 1rad));
+  b: meta.inspect($number * (1 / 1px / 1rad));
 }
 
 <===> output.css
@@ -17,10 +18,10 @@ Recommendation: math.div(1px * 1rad, 1ms) or calc(1px * 1rad / 1ms)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $number: 1px * 1rad / 1ms / 1Hz;
+2 | $number: 1px * 1rad / 1ms / 1Hz;
   |          ^^^^^^^^^^^^^^^^
   '
-    input.scss 1:10  root stylesheet
+    input.scss 2:10  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -29,10 +30,10 @@ Recommendation: math.div(math.div(1px * 1rad, 1ms), 1Hz) or calc(1px * 1rad / 1m
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $number: 1px * 1rad / 1ms / 1Hz;
+2 | $number: 1px * 1rad / 1ms / 1Hz;
   |          ^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:10  root stylesheet
+    input.scss 2:10  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -41,10 +42,10 @@ Recommendation: math.div(1, 1px) or calc(1 / 1px)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-3 |   b: inspect($number * (1 / 1px / 1rad));
-  |                         ^^^^^^^
+4 |   b: meta.inspect($number * (1 / 1px / 1rad));
+  |                              ^^^^^^^
   '
-    input.scss 3:25  root stylesheet
+    input.scss 4:30  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -53,7 +54,7 @@ Recommendation: math.div(math.div(1, 1px), 1rad) or calc(1 / 1px / 1rad)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-3 |   b: inspect($number * (1 / 1px / 1rad));
-  |                         ^^^^^^^^^^^^^^
+4 |   b: meta.inspect($number * (1 / 1px / 1rad));
+  |                              ^^^^^^^^^^^^^^
   '
-    input.scss 3:25  root stylesheet
+    input.scss 4:30  root stylesheet
diff --git a/spec/values/numbers/units/multiple/multiplication_cancels_unknown.hrx b/spec/values/numbers/units/multiple/multiplication_cancels_unknown.hrx
index ab2af839f8..9a15e8a77b 100644
--- a/spec/values/numbers/units/multiple/multiplication_cancels_unknown.hrx
+++ b/spec/values/numbers/units/multiple/multiplication_cancels_unknown.hrx
@@ -1,8 +1,9 @@
 <===> input.scss
+@use "sass:meta";
 // Units cancel even if they're totally unknown to Sass.
 $number: 1foo * 1bar / 1baz / 1qux;
 a {
-  b: inspect($number * 1baz);
+  b: meta.inspect($number * 1baz);
 }
 
 <===> output.css
@@ -18,10 +19,10 @@ Recommendation: math.div(1foo * 1bar, 1baz) or calc(1foo * 1bar / 1baz)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-2 | $number: 1foo * 1bar / 1baz / 1qux;
+3 | $number: 1foo * 1bar / 1baz / 1qux;
   |          ^^^^^^^^^^^^^^^^^^
   '
-    input.scss 2:10  root stylesheet
+    input.scss 3:10  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -30,7 +31,7 @@ Recommendation: math.div(math.div(1foo * 1bar, 1baz), 1qux) or calc(1foo * 1bar
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-2 | $number: 1foo * 1bar / 1baz / 1qux;
+3 | $number: 1foo * 1bar / 1baz / 1qux;
   |          ^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 2:10  root stylesheet
+    input.scss 3:10  root stylesheet

From 4ddc00efbcf53004a37f0de7263b56ff3ec6e3d6 Mon Sep 17 00:00:00 2001
From: Jennifer Thakar <jathak@gmail.com>
Date: Fri, 12 Jul 2024 13:07:54 -0700
Subject: [PATCH 02/10] Migrate some additional global functions

---
 spec/core_functions/color/alpha.hrx           |   6 +-
 spec/core_functions/global/color.hrx          |  10 ++
 spec/core_functions/global/list.hrx           |  10 ++
 spec/core_functions/list/is_bracketed.hrx     |  42 +++---
 spec/core_functions/math/random.hrx           |   7 +-
 .../extend/complex/combinator_only.hrx        |  14 +-
 .../extend/complex/with_unification.hrx       | 124 ++++++++++--------
 .../extend/complex/without_unification.hrx    | 124 ++++++++++--------
 spec/core_functions/selector/extend/error.hrx |  91 +++++++------
 .../core_functions/selector/extend/format.hrx |  21 ++-
 spec/core_functions/selector/extend/list.hrx  |   9 +-
 spec/core_functions/selector/extend/named.hrx |   3 +-
 spec/core_functions/selector/extend/no_op.hrx |  78 +++++++----
 .../selector/extend/simple/attribute.hrx      |  12 +-
 .../selector/extend/simple/class.hrx          |   6 +-
 .../selector/extend/simple/id.hrx             |   6 +-
 .../selector/extend/simple/placeholder.hrx    |   6 +-
 .../selector/extend/simple/pseudo/arg.hrx     |  24 ++--
 .../selector/extend/simple/pseudo/no_arg.hrx  |  18 ++-
 .../simple/pseudo/selector/idempotent/any.hrx |   9 +-
 .../pseudo/selector/idempotent/current.hrx    |   9 +-
 .../simple/pseudo/selector/idempotent/is.hrx  |   9 +-
 .../pseudo/selector/idempotent/matches.hrx    |   9 +-
 .../simple/pseudo/selector/idempotent/not.hrx |  45 ++++---
 .../pseudo/selector/idempotent/nth_child.hrx  |  12 +-
 .../selector/idempotent/nth_last_child.hrx    |  12 +-
 .../pseudo/selector/idempotent/prefixed.hrx   |  12 +-
 .../pseudo/selector/idempotent/where.hrx      |   9 +-
 .../extend/simple/pseudo/selector/match.hrx   |  63 ++++++---
 .../simple/pseudo/selector/non_idempotent.hrx |  36 +++--
 .../selector/extend/simple/type.hrx           |  48 ++++---
 .../selector/extend/simple/universal.hrx      |  87 ++++++++----
 32 files changed, 621 insertions(+), 350 deletions(-)

diff --git a/spec/core_functions/color/alpha.hrx b/spec/core_functions/color/alpha.hrx
index 0425c8d073..f27dc60fd1 100644
--- a/spec/core_functions/color/alpha.hrx
+++ b/spec/core_functions/color/alpha.hrx
@@ -86,7 +86,8 @@ Recommendation: alpha(c = d)
 <===>
 ================================================================================
 <===> opacity/positional/input.scss
-a {b: opacity(rgba(red, 0.2))}
+@use "sass:color";
+a {b: color.opacity(rgba(red, 0.2))}
 
 <===> opacity/positional/output.css
 a {
@@ -96,7 +97,8 @@ a {
 <===>
 ================================================================================
 <===> opacity/named/input.scss
-a {b: opacity($color: rgba(red, 0.2))}
+@use "sass:color";
+a {b: color.opacity($color: rgba(red, 0.2))}
 
 <===> opacity/named/output.css
 a {
diff --git a/spec/core_functions/global/color.hrx b/spec/core_functions/global/color.hrx
index 99424ea459..435f04fe23 100644
--- a/spec/core_functions/global/color.hrx
+++ b/spec/core_functions/global/color.hrx
@@ -167,6 +167,16 @@ a {
   b: 1;
 }
 
+<===>
+================================================================================
+<===> opacity/input.scss
+a {b: opacity(#abcdef)}
+
+<===> opacity/output.css
+a {
+  b: 1;
+}
+
 <===>
 ================================================================================
 <===> scale/input.scss
diff --git a/spec/core_functions/global/list.hrx b/spec/core_functions/global/list.hrx
index 74e6f365ac..b654655ebd 100644
--- a/spec/core_functions/global/list.hrx
+++ b/spec/core_functions/global/list.hrx
@@ -16,6 +16,16 @@ a {
   b: 2;
 }
 
+<===>
+================================================================================
+<===> is_bracketed/input.scss
+a {b: is-bracketed(a b c)}
+
+<===> is-bracketed/output.css
+a {
+  b: false;
+}
+
 <===>
 ================================================================================
 <===> join/input.scss
diff --git a/spec/core_functions/list/is_bracketed.hrx b/spec/core_functions/list/is_bracketed.hrx
index 59954e31be..f7c556623e 100644
--- a/spec/core_functions/list/is_bracketed.hrx
+++ b/spec/core_functions/list/is_bracketed.hrx
@@ -1,5 +1,6 @@
 <===> unbracketed/empty/input.scss
-a {b: is-bracketed(())}
+@use "sass:list";
+a {b: list.is-bracketed(())}
 
 <===> unbracketed/empty/output.css
 a {
@@ -9,7 +10,8 @@ a {
 <===>
 ================================================================================
 <===> unbracketed/single/input.scss
-a {b: is-bracketed((1,))}
+@use "sass:list";
+a {b: list.is-bracketed((1,))}
 
 <===> unbracketed/single/output.css
 a {
@@ -19,7 +21,8 @@ a {
 <===>
 ================================================================================
 <===> unbracketed/multi/input.scss
-a {b: is-bracketed(1 2 3)}
+@use "sass:list";
+a {b: list.is-bracketed(1 2 3)}
 
 <===> unbracketed/multi/output.css
 a {
@@ -29,7 +32,8 @@ a {
 <===>
 ================================================================================
 <===> unbracketed/non_list/input.scss
-a {b: is-bracketed(1)}
+@use "sass:list";
+a {b: list.is-bracketed(1)}
 
 <===> unbracketed/non_list/output.css
 a {
@@ -39,7 +43,8 @@ a {
 <===>
 ================================================================================
 <===> unbracketed/map/input.scss
-a {b: is-bracketed((c: d, e: f, g: h))}
+@use "sass:list";
+a {b: list.is-bracketed((c: d, e: f, g: h))}
 
 <===> unbracketed/map/output.css
 a {
@@ -49,7 +54,8 @@ a {
 <===>
 ================================================================================
 <===> bracketed/empty/input.scss
-a {b: is-bracketed([])}
+@use "sass:list";
+a {b: list.is-bracketed([])}
 
 <===> bracketed/empty/output.css
 a {
@@ -59,7 +65,8 @@ a {
 <===>
 ================================================================================
 <===> bracketed/single/input.scss
-a {b: is-bracketed([1])}
+@use "sass:list";
+a {b: list.is-bracketed([1])}
 
 <===> bracketed/single/output.css
 a {
@@ -69,7 +76,8 @@ a {
 <===>
 ================================================================================
 <===> bracketed/multi/input.scss
-a {b: is-bracketed([1, 2, 3])}
+@use "sass:list";
+a {b: list.is-bracketed([1, 2, 3])}
 
 <===> bracketed/multi/output.css
 a {
@@ -79,33 +87,35 @@ a {
 <===>
 ================================================================================
 <===> error/too_few_args/input.scss
-a {b: is-bracketed()}
+@use "sass:list";
+a {b: list.is-bracketed()}
 
 <===> error/too_few_args/error
 Error: Missing argument $list.
   ,--> input.scss
-1 | a {b: is-bracketed()}
-  |       ^^^^^^^^^^^^^^ invocation
+2 | a {b: list.is-bracketed()}
+  |       ^^^^^^^^^^^^^^^^^^^ invocation
   '
   ,--> sass:list
 1 | @function is-bracketed($list) {
   |           =================== declaration
   '
-  input.scss 1:7  root stylesheet
+  input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> error/too_many_args/input.scss
-a {b: is-bracketed(a b, c d)}
+@use "sass:list";
+a {b: list.is-bracketed(a b, c d)}
 
 <===> error/too_many_args/error
 Error: Only 1 argument allowed, but 2 were passed.
   ,--> input.scss
-1 | a {b: is-bracketed(a b, c d)}
-  |       ^^^^^^^^^^^^^^^^^^^^^^ invocation
+2 | a {b: list.is-bracketed(a b, c d)}
+  |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ invocation
   '
   ,--> sass:list
 1 | @function is-bracketed($list) {
   |           =================== declaration
   '
-  input.scss 1:7  root stylesheet
+  input.scss 2:7  root stylesheet
diff --git a/spec/core_functions/math/random.hrx b/spec/core_functions/math/random.hrx
index a805ba2523..e18ad0dcee 100644
--- a/spec/core_functions/math/random.hrx
+++ b/spec/core_functions/math/random.hrx
@@ -1,10 +1,13 @@
 <===> _util.scss
+@use "sass:math";
+@use "sass:meta";
+
 // Calls `random()` one thousand times, and throws an error if `$check` returns
 // `false` for any of the values.
 @mixin check-values($arg, $check) {
   @for $i from 1 through 1000 {
-    $value: random($arg);
-    @if not call($check, $value) {
+    $value: math.random($arg);
+    @if not meta.call($check, $value) {
       @error "#{$value} did not match expectation";
     }
   }
diff --git a/spec/core_functions/selector/extend/complex/combinator_only.hrx b/spec/core_functions/selector/extend/complex/combinator_only.hrx
index 2313d6ff43..6195bb17f0 100644
--- a/spec/core_functions/selector/extend/complex/combinator_only.hrx
+++ b/spec/core_functions/selector/extend/complex/combinator_only.hrx
@@ -1,5 +1,6 @@
 <===> selector/input.scss
-a {b: selector-extend("+", ".c", ".d")}
+@use "sass:selector";
+a {b: selector.extend("+", ".c", ".d")}
 
 <===> selector/output.css
 a {
@@ -13,15 +14,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend("+", ".c", ".d")}
+2 | a {b: selector.extend("+", ".c", ".d")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> extender/input.scss
-a {b: selector-extend(".c", ".c", ">")}
+@use "sass:selector";
+a {b: selector.extend(".c", ".c", ">")}
 
 <===> extender/output.css
 a {
@@ -35,7 +37,7 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend(".c", ".c", ">")}
+2 | a {b: selector.extend(".c", ".c", ">")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
diff --git a/spec/core_functions/selector/extend/complex/with_unification.hrx b/spec/core_functions/selector/extend/complex/with_unification.hrx
index 578a69c317..78d1cbc286 100644
--- a/spec/core_functions/selector/extend/complex/with_unification.hrx
+++ b/spec/core_functions/selector/extend/complex/with_unification.hrx
@@ -1,5 +1,6 @@
 <===> parent/without_grandparent/simple/input.scss
-a {b: selector-extend(".c.x .d", ".c", ".e")}
+@use "sass:selector";
+a {b: selector.extend(".c.x .d", ".c", ".e")}
 
 <===> parent/without_grandparent/simple/output.css
 a {
@@ -9,7 +10,8 @@ a {
 <===>
 ================================================================================
 <===> parent/without_grandparent/complex/input.scss
-a {b: selector-extend(".c.x .d", ".c", ".e .f")}
+@use "sass:selector";
+a {b: selector.extend(".c.x .d", ".c", ".e .f")}
 
 <===> parent/without_grandparent/complex/output.css
 a {
@@ -19,7 +21,8 @@ a {
 <===>
 ================================================================================
 <===> parent/without_grandparent/list/input.scss
-a {b: selector-extend(".c.x .d", ".c", ".e, .f")}
+@use "sass:selector";
+a {b: selector.extend(".c.x .d", ".c", ".e, .f")}
 
 <===> parent/without_grandparent/list/output.css
 a {
@@ -29,7 +32,8 @@ a {
 <===>
 ================================================================================
 <===> parent/with_grandparent/simple/input.scss
-a {b: selector-extend(".c .d.x .e", ".d", ".f")}
+@use "sass:selector";
+a {b: selector.extend(".c .d.x .e", ".d", ".f")}
 
 <===> parent/with_grandparent/simple/output.css
 a {
@@ -39,7 +43,8 @@ a {
 <===>
 ================================================================================
 <===> parent/with_grandparent/complex/input.scss
-a {b: selector-extend(".c .d.x .e", ".d", ".f .g")}
+@use "sass:selector";
+a {b: selector.extend(".c .d.x .e", ".d", ".f .g")}
 
 <===> parent/with_grandparent/complex/output.css
 a {
@@ -49,7 +54,8 @@ a {
 <===>
 ================================================================================
 <===> parent/with_grandparent/list/input.scss
-a {b: selector-extend(".c .d.x .e", ".d", ".f, .g")}
+@use "sass:selector";
+a {b: selector.extend(".c .d.x .e", ".d", ".f, .g")}
 
 <===> parent/with_grandparent/list/output.css
 a {
@@ -59,7 +65,8 @@ a {
 <===>
 ================================================================================
 <===> leading_combinator/selector/input.scss
-a {b: selector-extend("> .c.x", ".c", ".d")}
+@use "sass:selector";
+a {b: selector.extend("> .c.x", ".c", ".d")}
 
 <===> leading_combinator/selector/output.css
 a {
@@ -73,15 +80,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend("> .c.x", ".c", ".d")}
+2 | a {b: selector.extend("> .c.x", ".c", ".d")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> leading_combinator/extender/input.scss
-a {b: selector-extend(".c.x", ".c", "+ .d")}
+@use "sass:selector";
+a {b: selector.extend(".c.x", ".c", "+ .d")}
 
 <===> leading_combinator/extender/output.css
 a {
@@ -95,15 +103,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend(".c.x", ".c", "+ .d")}
+2 | a {b: selector.extend(".c.x", ".c", "+ .d")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> leading_combinator/both/input.scss
-a {b: selector-extend("~ .c.x", ".c", "+ .d")}
+@use "sass:selector";
+a {b: selector.extend("~ .c.x", ".c", "+ .d")}
 
 <===> leading_combinator/both/output.css
 a {
@@ -117,10 +126,10 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend("~ .c.x", ".c", "+ .d")}
+2 | a {b: selector.extend("~ .c.x", ".c", "+ .d")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 DEPRECATION WARNING: $extender: + .d is not valid CSS.
 This will be an error in Dart Sass 2.0.0.
@@ -128,15 +137,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend("~ .c.x", ".c", "+ .d")}
+2 | a {b: selector.extend("~ .c.x", ".c", "+ .d")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> trailing_combinator/selector/input.scss
-a {b: selector-extend(".c.x +", ".c", ".d")}
+@use "sass:selector";
+a {b: selector.extend(".c.x +", ".c", ".d")}
 
 <===> trailing_combinator/selector/output.css
 a {
@@ -150,15 +160,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend(".c.x +", ".c", ".d")}
+2 | a {b: selector.extend(".c.x +", ".c", ".d")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> trailing_combinator/extender/child/input.scss
-a {b: selector-extend(".c.x .d", ".c", ".e >")}
+@use "sass:selector";
+a {b: selector.extend(".c.x .d", ".c", ".e >")}
 
 <===> trailing_combinator/extender/child/output.css
 a {
@@ -172,15 +183,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend(".c.x .d", ".c", ".e >")}
+2 | a {b: selector.extend(".c.x .d", ".c", ".e >")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> trailing_combinator/extender/sibling/input.scss
-a {b: selector-extend(".c.x .d", ".c", ".e ~")}
+@use "sass:selector";
+a {b: selector.extend(".c.x .d", ".c", ".e ~")}
 
 <===> trailing_combinator/extender/sibling/output.css
 a {
@@ -194,15 +206,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend(".c.x .d", ".c", ".e ~")}
+2 | a {b: selector.extend(".c.x .d", ".c", ".e ~")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> trailing_combinator/extender/next_sibling/input.scss
-a {b: selector-extend(".c.x .d", ".c", ".e +")}
+@use "sass:selector";
+a {b: selector.extend(".c.x .d", ".c", ".e +")}
 
 <===> trailing_combinator/extender/next_sibling/output.css
 a {
@@ -216,15 +229,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend(".c.x .d", ".c", ".e +")}
+2 | a {b: selector.extend(".c.x .d", ".c", ".e +")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> trailing_combinator/both/input.scss
-a {b: selector-extend(".c.x ~", ".c", ".d >")}
+@use "sass:selector";
+a {b: selector.extend(".c.x ~", ".c", ".d >")}
 
 <===> trailing_combinator/both/output.css
 a {
@@ -238,10 +252,10 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend(".c.x ~", ".c", ".d >")}
+2 | a {b: selector.extend(".c.x ~", ".c", ".d >")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 DEPRECATION WARNING: $extender: .d > is not valid CSS.
 This will be an error in Dart Sass 2.0.0.
@@ -249,15 +263,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend(".c.x ~", ".c", ".d >")}
+2 | a {b: selector.extend(".c.x ~", ".c", ".d >")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> multiple_combinators/middle/selector/input.scss
-a {b: selector-extend(".c.x ~ ~ .d", ".c", ".e")}
+@use "sass:selector";
+a {b: selector.extend(".c.x ~ ~ .d", ".c", ".e")}
 
 <===> multiple_combinators/middle/selector/output.css
 a {
@@ -271,15 +286,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend(".c.x ~ ~ .d", ".c", ".e")}
+2 | a {b: selector.extend(".c.x ~ ~ .d", ".c", ".e")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> multiple_combinators/middle/extender/input.scss
-a {b: selector-extend(".c.x", ".c", ".d ~ + .e")}
+@use "sass:selector";
+a {b: selector.extend(".c.x", ".c", ".d ~ + .e")}
 
 <===> multiple_combinators/middle/extender/output.css
 a {
@@ -293,15 +309,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend(".c.x", ".c", ".d ~ + .e")}
+2 | a {b: selector.extend(".c.x", ".c", ".d ~ + .e")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> multiple_combinators/leading/selector/input.scss
-a {b: selector-extend("> + .c.x", ".c", ".d")}
+@use "sass:selector";
+a {b: selector.extend("> + .c.x", ".c", ".d")}
 
 <===> multiple_combinators/leading/selector/output.css
 a {
@@ -315,15 +332,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend("> + .c.x", ".c", ".d")}
+2 | a {b: selector.extend("> + .c.x", ".c", ".d")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> multiple_combinators/leading/extender/input.scss
-a {b: selector-extend(".c.x", ".c", "+ ~ .d")}
+@use "sass:selector";
+a {b: selector.extend(".c.x", ".c", "+ ~ .d")}
 
 <===> multiple_combinators/leading/extender/output.css
 a {
@@ -337,15 +355,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend(".c.x", ".c", "+ ~ .d")}
+2 | a {b: selector.extend(".c.x", ".c", "+ ~ .d")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> multiple_combinators/trailing/selector/input.scss
-a {b: selector-extend(".c.x > ~", ".c", ".d")}
+@use "sass:selector";
+a {b: selector.extend(".c.x > ~", ".c", ".d")}
 
 <===> multiple_combinators/trailing/selector/output.css
 a {
@@ -359,15 +378,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend(".c.x > ~", ".c", ".d")}
+2 | a {b: selector.extend(".c.x > ~", ".c", ".d")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> multiple_combinators/trailing/extender/input.scss
-a {b: selector-extend(".c.x", ".c", ".d + +")}
+@use "sass:selector";
+a {b: selector.extend(".c.x", ".c", ".d + +")}
 
 <===> multiple_combinators/trailing/extender/output.css
 a {
@@ -381,7 +401,7 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend(".c.x", ".c", ".d + +")}
+2 | a {b: selector.extend(".c.x", ".c", ".d + +")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
diff --git a/spec/core_functions/selector/extend/complex/without_unification.hrx b/spec/core_functions/selector/extend/complex/without_unification.hrx
index b15fa787ca..2414249ad5 100644
--- a/spec/core_functions/selector/extend/complex/without_unification.hrx
+++ b/spec/core_functions/selector/extend/complex/without_unification.hrx
@@ -1,5 +1,6 @@
 <===> parent/without_grandparent/simple/input.scss
-a {b: selector-extend(".c .d", ".c", ".e")}
+@use "sass:selector";
+a {b: selector.extend(".c .d", ".c", ".e")}
 
 <===> parent/without_grandparent/simple/output.css
 a {
@@ -9,7 +10,8 @@ a {
 <===>
 ================================================================================
 <===> parent/without_grandparent/complex/input.scss
-a {b: selector-extend(".c .d", ".c", ".e .f")}
+@use "sass:selector";
+a {b: selector.extend(".c .d", ".c", ".e .f")}
 
 <===> parent/without_grandparent/complex/output.css
 a {
@@ -19,7 +21,8 @@ a {
 <===>
 ================================================================================
 <===> parent/without_grandparent/list/input.scss
-a {b: selector-extend(".c .d", ".c", ".e, .f")}
+@use "sass:selector";
+a {b: selector.extend(".c .d", ".c", ".e, .f")}
 
 <===> parent/without_grandparent/list/output.css
 a {
@@ -29,7 +32,8 @@ a {
 <===>
 ================================================================================
 <===> parent/with_grandparent/simple/input.scss
-a {b: selector-extend(".c .d .e", ".d", ".f")}
+@use "sass:selector";
+a {b: selector.extend(".c .d .e", ".d", ".f")}
 
 <===> parent/with_grandparent/simple/output.css
 a {
@@ -39,7 +43,8 @@ a {
 <===>
 ================================================================================
 <===> parent/with_grandparent/complex/input.scss
-a {b: selector-extend(".c .d .e", ".d", ".f .g")}
+@use "sass:selector";
+a {b: selector.extend(".c .d .e", ".d", ".f .g")}
 
 <===> parent/with_grandparent/complex/output.css
 a {
@@ -49,7 +54,8 @@ a {
 <===>
 ================================================================================
 <===> parent/with_grandparent/list/input.scss
-a {b: selector-extend(".c .d .e", ".d", ".f, .g")}
+@use "sass:selector";
+a {b: selector.extend(".c .d .e", ".d", ".f, .g")}
 
 <===> parent/with_grandparent/list/output.css
 a {
@@ -59,7 +65,8 @@ a {
 <===>
 ================================================================================
 <===> leading_combinator/selector/input.scss
-a {b: selector-extend("> .c", ".c", ".d")}
+@use "sass:selector";
+a {b: selector.extend("> .c", ".c", ".d")}
 
 <===> leading_combinator/selector/output.css
 a {
@@ -73,15 +80,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend("> .c", ".c", ".d")}
+2 | a {b: selector.extend("> .c", ".c", ".d")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> leading_combinator/extender/input.scss
-a {b: selector-extend(".c", ".c", "+ .d")}
+@use "sass:selector";
+a {b: selector.extend(".c", ".c", "+ .d")}
 
 <===> leading_combinator/extender/output.css
 a {
@@ -95,15 +103,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend(".c", ".c", "+ .d")}
+2 | a {b: selector.extend(".c", ".c", "+ .d")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> leading_combinator/both/input.scss
-a {b: selector-extend("~ .c", ".c", "+ .d")}
+@use "sass:selector";
+a {b: selector.extend("~ .c", ".c", "+ .d")}
 
 <===> leading_combinator/both/output.css
 a {
@@ -117,10 +126,10 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend("~ .c", ".c", "+ .d")}
+2 | a {b: selector.extend("~ .c", ".c", "+ .d")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 DEPRECATION WARNING: $extender: + .d is not valid CSS.
 This will be an error in Dart Sass 2.0.0.
@@ -128,15 +137,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend("~ .c", ".c", "+ .d")}
+2 | a {b: selector.extend("~ .c", ".c", "+ .d")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> trailing_combinator/selector/input.scss
-a {b: selector-extend(".c +", ".c", ".d")}
+@use "sass:selector";
+a {b: selector.extend(".c +", ".c", ".d")}
 
 <===> trailing_combinator/selector/output.css
 a {
@@ -150,15 +160,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend(".c +", ".c", ".d")}
+2 | a {b: selector.extend(".c +", ".c", ".d")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> trailing_combinator/extender/child/input.scss
-a {b: selector-extend(".c .d", ".c", ".e >")}
+@use "sass:selector";
+a {b: selector.extend(".c .d", ".c", ".e >")}
 
 <===> trailing_combinator/extender/child/output.css
 a {
@@ -172,15 +183,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend(".c .d", ".c", ".e >")}
+2 | a {b: selector.extend(".c .d", ".c", ".e >")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> trailing_combinator/extender/sibling/input.scss
-a {b: selector-extend(".c .d", ".c", ".e ~")}
+@use "sass:selector";
+a {b: selector.extend(".c .d", ".c", ".e ~")}
 
 <===> trailing_combinator/extender/sibling/output.css
 a {
@@ -194,15 +206,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend(".c .d", ".c", ".e ~")}
+2 | a {b: selector.extend(".c .d", ".c", ".e ~")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> trailing_combinator/extender/next_sibling/input.scss
-a {b: selector-extend(".c .d", ".c", ".e +")}
+@use "sass:selector";
+a {b: selector.extend(".c .d", ".c", ".e +")}
 
 <===> trailing_combinator/extender/next_sibling/output.css
 a {
@@ -216,15 +229,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend(".c .d", ".c", ".e +")}
+2 | a {b: selector.extend(".c .d", ".c", ".e +")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> trailing_combinator/both/input.scss
-a {b: selector-extend(".c ~", ".c", ".d >")}
+@use "sass:selector";
+a {b: selector.extend(".c ~", ".c", ".d >")}
 
 <===> trailing_combinator/both/output.css
 a {
@@ -238,10 +252,10 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend(".c ~", ".c", ".d >")}
+2 | a {b: selector.extend(".c ~", ".c", ".d >")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 DEPRECATION WARNING: $extender: .d > is not valid CSS.
 This will be an error in Dart Sass 2.0.0.
@@ -249,15 +263,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend(".c ~", ".c", ".d >")}
+2 | a {b: selector.extend(".c ~", ".c", ".d >")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> multiple_combinators/middle/selector/input.scss
-a {b: selector-extend(".c ~ ~ .d", ".c", ".e")}
+@use "sass:selector";
+a {b: selector.extend(".c ~ ~ .d", ".c", ".e")}
 
 <===> multiple_combinators/middle/selector/output.css
 a {
@@ -271,15 +286,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend(".c ~ ~ .d", ".c", ".e")}
+2 | a {b: selector.extend(".c ~ ~ .d", ".c", ".e")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> multiple_combinators/middle/extender/input.scss
-a {b: selector-extend(".c", ".c", ".d ~ + .e")}
+@use "sass:selector";
+a {b: selector.extend(".c", ".c", ".d ~ + .e")}
 
 <===> multiple_combinators/middle/extender/output.css
 a {
@@ -293,15 +309,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend(".c", ".c", ".d ~ + .e")}
+2 | a {b: selector.extend(".c", ".c", ".d ~ + .e")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> multiple_combinators/leading/selector/input.scss
-a {b: selector-extend("> + .c", ".c", ".d")}
+@use "sass:selector";
+a {b: selector.extend("> + .c", ".c", ".d")}
 
 <===> multiple_combinators/leading/selector/output.css
 a {
@@ -315,15 +332,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend("> + .c", ".c", ".d")}
+2 | a {b: selector.extend("> + .c", ".c", ".d")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> multiple_combinators/leading/extender/input.scss
-a {b: selector-extend(".c", ".c", "+ ~ .d")}
+@use "sass:selector";
+a {b: selector.extend(".c", ".c", "+ ~ .d")}
 
 <===> multiple_combinators/leading/extender/output.css
 a {
@@ -337,15 +355,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend(".c", ".c", "+ ~ .d")}
+2 | a {b: selector.extend(".c", ".c", "+ ~ .d")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> multiple_combinators/trailing/selector/input.scss
-a {b: selector-extend(".c > ~", ".c", ".d")}
+@use "sass:selector";
+a {b: selector.extend(".c > ~", ".c", ".d")}
 
 <===> multiple_combinators/trailing/selector/output.css
 a {
@@ -359,15 +378,16 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend(".c > ~", ".c", ".d")}
+2 | a {b: selector.extend(".c > ~", ".c", ".d")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> multiple_combinators/trailing/extender/input.scss
-a {b: selector-extend(".c", ".c", ".d + +")}
+@use "sass:selector";
+a {b: selector.extend(".c", ".c", ".d + +")}
 
 <===> multiple_combinators/trailing/extender/output.css
 a {
@@ -381,7 +401,7 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-1 | a {b: selector-extend(".c", ".c", ".d + +")}
+2 | a {b: selector.extend(".c", ".c", ".d + +")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 1:7  root stylesheet
+    input.scss 2:7  root stylesheet
diff --git a/spec/core_functions/selector/extend/error.hrx b/spec/core_functions/selector/extend/error.hrx
index 6d1835a851..0ed9097126 100644
--- a/spec/core_functions/selector/extend/error.hrx
+++ b/spec/core_functions/selector/extend/error.hrx
@@ -1,5 +1,6 @@
 <===> selector/parent/input.scss
-a {b: selector-extend("&", "c", "d")}
+@use "sass:selector";
+a {b: selector.extend("&", "c", "d")}
 
 <===> selector/parent/error
 Error: $selector: Parent selectors aren't allowed here.
@@ -9,15 +10,16 @@ Error: $selector: Parent selectors aren't allowed here.
   '
   - 1:1  root stylesheet
   ,
-1 | a {b: selector-extend("&", "c", "d")}
+2 | a {b: selector.extend("&", "c", "d")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 1:7  root stylesheet
+  input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> selector/invalid/input.scss
-a {b: selector-extend("[c", "d", "e")}
+@use "sass:selector";
+a {b: selector.extend("[c", "d", "e")}
 
 <===> selector/invalid/error
 Error: $selector: expected more input.
@@ -27,29 +29,31 @@ Error: $selector: expected more input.
   '
   - 1:3  root stylesheet
   ,
-1 | a {b: selector-extend("[c", "d", "e")}
+2 | a {b: selector.extend("[c", "d", "e")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 1:7  root stylesheet
+  input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> selector/type/input.scss
-a {b: selector-extend(1, "c", "d")}
+@use "sass:selector";
+a {b: selector.extend(1, "c", "d")}
 
 <===> selector/type/error
 Error: $selector: 1 is not a valid selector: it must be a string,
 a list of strings, or a list of lists of strings.
   ,
-1 | a {b: selector-extend(1, "c", "d")}
+2 | a {b: selector.extend(1, "c", "d")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 1:7  root stylesheet
+  input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> extendee/parent/input.scss
-a {b: selector-extend("c", "&", "d")}
+@use "sass:selector";
+a {b: selector.extend("c", "&", "d")}
 
 <===> extendee/parent/error
 Error: $extendee: Parent selectors aren't allowed here.
@@ -59,41 +63,44 @@ Error: $extendee: Parent selectors aren't allowed here.
   '
   - 1:1  root stylesheet
   ,
-1 | a {b: selector-extend("c", "&", "d")}
+2 | a {b: selector.extend("c", "&", "d")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 1:7  root stylesheet
+  input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> extendee/complex/string/input.scss
-a {b: selector-extend("c", "d e", "f")}
+@use "sass:selector";
+a {b: selector.extend("c", "d e", "f")}
 
 <===> extendee/complex/string/error
 Error: Can't extend complex selector d e.
   ,
-1 | a {b: selector-extend("c", "d e", "f")}
+2 | a {b: selector.extend("c", "d e", "f")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 1:7  root stylesheet
+  input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> extendee/complex/list/input.scss
-a {b: selector-extend("c", d e, "f")}
+@use "sass:selector";
+a {b: selector.extend("c", d e, "f")}
 
 <===> extendee/complex/list/error
 Error: Can't extend complex selector d e.
   ,
-1 | a {b: selector-extend("c", d e, "f")}
+2 | a {b: selector.extend("c", d e, "f")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 1:7  root stylesheet
+  input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> extendee/invalid/input.scss
-a {b: selector-extend("c", "[d", "e")}
+@use "sass:selector";
+a {b: selector.extend("c", "[d", "e")}
 
 <===> extendee/invalid/error
 Error: $extendee: expected more input.
@@ -103,29 +110,31 @@ Error: $extendee: expected more input.
   '
   - 1:3  root stylesheet
   ,
-1 | a {b: selector-extend("c", "[d", "e")}
+2 | a {b: selector.extend("c", "[d", "e")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 1:7  root stylesheet
+  input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> extendee/type/input.scss
-a {b: selector-extend("c", 1, "d")}
+@use "sass:selector";
+a {b: selector.extend("c", 1, "d")}
 
 <===> extendee/type/error
 Error: $extendee: 1 is not a valid selector: it must be a string,
 a list of strings, or a list of lists of strings.
   ,
-1 | a {b: selector-extend("c", 1, "d")}
+2 | a {b: selector.extend("c", 1, "d")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 1:7  root stylesheet
+  input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> extender/parent/input.scss
-a {b: selector-extend("c", "d", "&")}
+@use "sass:selector";
+a {b: selector.extend("c", "d", "&")}
 
 <===> extender/parent/error
 Error: $extender: Parent selectors aren't allowed here.
@@ -135,15 +144,16 @@ Error: $extender: Parent selectors aren't allowed here.
   '
   - 1:1  root stylesheet
   ,
-1 | a {b: selector-extend("c", "d", "&")}
+2 | a {b: selector.extend("c", "d", "&")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 1:7  root stylesheet
+  input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> extender/invalid/input.scss
-a {b: selector-extend("c", "d", "[e")}
+@use "sass:selector";
+a {b: selector.extend("c", "d", "[e")}
 
 <===> extender/invalid/error
 Error: $extender: expected more input.
@@ -153,24 +163,25 @@ Error: $extender: expected more input.
   '
   - 1:3  root stylesheet
   ,
-1 | a {b: selector-extend("c", "d", "[e")}
+2 | a {b: selector.extend("c", "d", "[e")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 1:7  root stylesheet
+  input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> extender/type/input.scss
-a {b: selector-extend("c", "d", 1)}
+@use "sass:selector";
+a {b: selector.extend("c", "d", 1)}
 
 <===> extender/type/error
 Error: $extender: 1 is not a valid selector: it must be a string,
 a list of strings, or a list of lists of strings.
   ,
-1 | a {b: selector-extend("c", "d", 1)}
+2 | a {b: selector.extend("c", "d", 1)}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 1:7  root stylesheet
+  input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
@@ -189,33 +200,35 @@ Error: Undefined function.
 <===>
 ================================================================================
 <===> too_many_args/input.scss
-a {b: selector-extend("c", "d", "e", "f")}
+@use "sass:selector";
+a {b: selector.extend("c", "d", "e", "f")}
 
 <===> too_many_args/error
 Error: Only 3 arguments allowed, but 4 were passed.
   ,--> input.scss
-1 | a {b: selector-extend("c", "d", "e", "f")}
+2 | a {b: selector.extend("c", "d", "e", "f")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ invocation
   '
   ,--> sass:selector
 1 | @function extend($selector, $extendee, $extender) {
   |           ======================================= declaration
   '
-  input.scss 1:7  root stylesheet
+  input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> too_few_args/input.scss
-a {b: selector-extend("c", "d")}
+@use "sass:selector";
+a {b: selector.extend("c", "d")}
 
 <===> too_few_args/error
 Error: Missing argument $extender.
   ,--> input.scss
-1 | a {b: selector-extend("c", "d")}
+2 | a {b: selector.extend("c", "d")}
   |       ^^^^^^^^^^^^^^^^^^^^^^^^^ invocation
   '
   ,--> sass:selector
 1 | @function extend($selector, $extendee, $extender) {
   |           ======================================= declaration
   '
-  input.scss 1:7  root stylesheet
+  input.scss 2:7  root stylesheet
diff --git a/spec/core_functions/selector/extend/format.hrx b/spec/core_functions/selector/extend/format.hrx
index 7f7b9561c4..54708ae496 100644
--- a/spec/core_functions/selector/extend/format.hrx
+++ b/spec/core_functions/selector/extend/format.hrx
@@ -7,7 +7,8 @@ spec just verifies one example for each parameter.
 <===>
 ================================================================================
 <===> input/non_string/selector/input.scss
-a {b: selector-extend((c, d c), "c", "e")}
+@use "sass:selector";
+a {b: selector.extend((c, d c), "c", "e")}
 
 <===> input/non_string/selector/output.css
 a {
@@ -17,7 +18,8 @@ a {
 <===>
 ================================================================================
 <===> input/non_string/extendee/input.scss
-a {b: selector-extend("c.d", (c, ".d"), ".e")}
+@use "sass:selector";
+a {b: selector.extend("c.d", (c, ".d"), ".e")}
 
 <===> input/non_string/extendee/output.css
 a {
@@ -27,7 +29,8 @@ a {
 <===>
 ================================================================================
 <===> input/non_string/extender/input.scss
-a {b: selector-extend("c", "c", (d, e f))}
+@use "sass:selector";
+a {b: selector.extend("c", "c", (d, e f))}
 
 <===> input/non_string/extender/output.css
 a {
@@ -37,7 +40,8 @@ a {
 <===>
 ================================================================================
 <===> input/multiple_extendees/compound/input.scss
-a {b: selector-extend("c.d", "c.d", ".e")}
+@use "sass:selector";
+a {b: selector.extend("c.d", "c.d", ".e")}
 
 <===> input/multiple_extendees/compound/output.css
 a {
@@ -47,7 +51,8 @@ a {
 <===>
 ================================================================================
 <===> input/multiple_extendees/list/input.scss
-a {b: selector-extend("c.d", "c, .d", ".e")}
+@use "sass:selector";
+a {b: selector.extend("c.d", "c, .d", ".e")}
 
 <===> input/multiple_extendees/list/output.css
 a {
@@ -57,7 +62,8 @@ a {
 <===>
 ================================================================================
 <===> input/multiple_extendees/list_of_compound/input.scss
-a {b: selector-extend("c.d.e.f", "c.d, .e.f", ".g")}
+@use "sass:selector";
+a {b: selector.extend("c.d.e.f", "c.d, .e.f", ".g")}
 
 <===> input/multiple_extendees/list_of_compound/output.css
 a {
@@ -67,7 +73,8 @@ a {
 <===>
 ================================================================================
 <===> output/input.scss
-$result: selector-extend("c d, e f", "g", "g");
+@use "sass:selector";
+$result: selector.extend("c d, e f", "g", "g");
 a {
   result: $result;
   structure: $result == ("c" "d", "e" "f");
diff --git a/spec/core_functions/selector/extend/list.hrx b/spec/core_functions/selector/extend/list.hrx
index be0180fe8d..f654a3fc75 100644
--- a/spec/core_functions/selector/extend/list.hrx
+++ b/spec/core_functions/selector/extend/list.hrx
@@ -1,5 +1,6 @@
 <===> one_matches/input.scss
-a {b: selector-extend(".c", ".c, .d", ".e")}
+@use "sass:selector";
+a {b: selector.extend(".c", ".c, .d", ".e")}
 
 <===> one_matches/output.css
 a {
@@ -9,7 +10,8 @@ a {
 <===>
 ================================================================================
 <===> all_match/input.scss
-a {b: selector-extend(".c.d", ".c, .d", ".e")}
+@use "sass:selector";
+a {b: selector.extend(".c.d", ".c, .d", ".e")}
 
 <===> all_match/output.css
 a {
@@ -19,7 +21,8 @@ a {
 <===>
 ================================================================================
 <===> different_matches/input.scss
-a {b: selector-extend(".c.d, .c .e, .d .f", ".c, .d", ".g")}
+@use "sass:selector";
+a {b: selector.extend(".c.d, .c .e, .d .f", ".c, .d", ".g")}
 
 <===> different_matches/output.css
 a {
diff --git a/spec/core_functions/selector/extend/named.hrx b/spec/core_functions/selector/extend/named.hrx
index 52feb2383d..7a21b3526c 100644
--- a/spec/core_functions/selector/extend/named.hrx
+++ b/spec/core_functions/selector/extend/named.hrx
@@ -1,5 +1,6 @@
 <===> input.scss
-a {b: selector-extend($selector: "c.d", $extendee: "c", $extender: "e")}
+@use "sass:selector";
+a {b: selector.extend($selector: "c.d", $extendee: "c", $extender: "e")}
 
 <===> output.css
 a {
diff --git a/spec/core_functions/selector/extend/no_op.hrx b/spec/core_functions/selector/extend/no_op.hrx
index d3d126f2b8..18503083ad 100644
--- a/spec/core_functions/selector/extend/no_op.hrx
+++ b/spec/core_functions/selector/extend/no_op.hrx
@@ -1,5 +1,6 @@
 <===> missing/input.scss
-a {b: selector-extend("c", "d", "e")}
+@use "sass:selector";
+a {b: selector.extend("c", "d", "e")}
 
 <===> missing/output.css
 a {
@@ -9,7 +10,8 @@ a {
 <===>
 ================================================================================
 <===> conflict/element/alone/input.scss
-a {b: selector-extend("c.d", ".d", "e")}
+@use "sass:selector";
+a {b: selector.extend("c.d", ".d", "e")}
 
 <===> conflict/element/alone/output.css
 a {
@@ -19,7 +21,8 @@ a {
 <===>
 ================================================================================
 <===> conflict/element/with_class/input.scss
-a {b: selector-extend("c.d", ".d", "e.f")}
+@use "sass:selector";
+a {b: selector.extend("c.d", ".d", "e.f")}
 
 <===> conflict/element/with_class/output.css
 a {
@@ -29,7 +32,8 @@ a {
 <===>
 ================================================================================
 <===> conflict/id/input.scss
-a {b: selector-extend("#c.d", ".d", "#e")}
+@use "sass:selector";
+a {b: selector.extend("#c.d", ".d", "#e")}
 
 <===> conflict/id/output.css
 a {
@@ -39,7 +43,8 @@ a {
 <===>
 ================================================================================
 <===> conflict/pseudo_element/unknown/input.scss
-a {b: selector-extend("::c.d", ".d", "::e")}
+@use "sass:selector";
+a {b: selector.extend("::c.d", ".d", "::e")}
 
 <===> conflict/pseudo_element/unknown/output.css
 a {
@@ -49,7 +54,8 @@ a {
 <===>
 ================================================================================
 <===> conflict/pseudo_element/class_syntax/input.scss
-a {b: selector-extend(":before.c", ".c", ":after")}
+@use "sass:selector";
+a {b: selector.extend(":before.c", ".c", ":after")}
 
 <===> conflict/pseudo_element/class_syntax/output.css
 a {
@@ -59,7 +65,8 @@ a {
 <===>
 ================================================================================
 <===> conflict/universal/namespace_and_namespace/input.scss
-a {b: selector-extend("c|*.d", ".d", "e|*")}
+@use "sass:selector";
+a {b: selector.extend("c|*.d", ".d", "e|*")}
 
 <===> conflict/universal/namespace_and_namespace/output.css
 a {
@@ -69,7 +76,8 @@ a {
 <===>
 ================================================================================
 <===> conflict/universal/namespace_and_empty/input.scss
-a {b: selector-extend("c|*.d", ".d", "|*")}
+@use "sass:selector";
+a {b: selector.extend("c|*.d", ".d", "|*")}
 
 <===> conflict/universal/namespace_and_empty/output.css
 a {
@@ -79,7 +87,8 @@ a {
 <===>
 ================================================================================
 <===> conflict/universal/empty_and_namespace/input.scss
-a {b: selector-extend("|*.c", ".c", "d|*")}
+@use "sass:selector";
+a {b: selector.extend("|*.c", ".c", "d|*")}
 
 <===> conflict/universal/empty_and_namespace/output.css
 a {
@@ -89,7 +98,8 @@ a {
 <===>
 ================================================================================
 <===> conflict/universal/namespace_and_default/input.scss
-a {b: selector-extend("c|*.d", ".d", "*")}
+@use "sass:selector";
+a {b: selector.extend("c|*.d", ".d", "*")}
 
 <===> conflict/universal/namespace_and_default/output.css
 a {
@@ -99,7 +109,8 @@ a {
 <===>
 ================================================================================
 <===> conflict/universal/default_and_namespace/input.scss
-a {b: selector-extend("*.c", ".c", "d|*")}
+@use "sass:selector";
+a {b: selector.extend("*.c", ".c", "d|*")}
 
 <===> conflict/universal/default_and_namespace/output.css
 a {
@@ -109,7 +120,8 @@ a {
 <===>
 ================================================================================
 <===> conflict/universal/empty_and_default/input.scss
-a {b: selector-extend("|*.c", ".c", "*")}
+@use "sass:selector";
+a {b: selector.extend("|*.c", ".c", "*")}
 
 <===> conflict/universal/empty_and_default/output.css
 a {
@@ -119,7 +131,8 @@ a {
 <===>
 ================================================================================
 <===> conflict/universal/default_and_empty/input.scss
-a {b: selector-extend("*.c", ".c", "|*")}
+@use "sass:selector";
+a {b: selector.extend("*.c", ".c", "|*")}
 
 <===> conflict/universal/default_and_empty/output.css
 a {
@@ -129,7 +142,8 @@ a {
 <===>
 ================================================================================
 <===> conflict/parent/input.scss
-a {b: selector-extend("c > .d", ".d", "e > .f")}
+@use "sass:selector";
+a {b: selector.extend("c > .d", ".d", "e > .f")}
 
 <===> conflict/parent/output.css
 a {
@@ -139,7 +153,8 @@ a {
 <===>
 ================================================================================
 <===> conflict/next_sibling/input.scss
-a {b: selector-extend("c + .d", ".d", "e + .f")}
+@use "sass:selector";
+a {b: selector.extend("c + .d", ".d", "e + .f")}
 
 <===> conflict/next_sibling/output.css
 a {
@@ -149,7 +164,8 @@ a {
 <===>
 ================================================================================
 <===> unification/identical_to_extendee/input.scss
-a {b: selector-extend("c.d", ".d", ".d")}
+@use "sass:selector";
+a {b: selector.extend("c.d", ".d", ".d")}
 
 <===> unification/identical_to_extendee/output.css
 a {
@@ -159,7 +175,8 @@ a {
 <===>
 ================================================================================
 <===> unification/identical_to_selector/input.scss
-a {b: selector-extend("c.d", ".d", "c.d")}
+@use "sass:selector";
+a {b: selector.extend("c.d", ".d", "c.d")}
 
 <===> unification/identical_to_selector/output.css
 a {
@@ -169,7 +186,8 @@ a {
 <===>
 ================================================================================
 <===> unification/additional/simple/input.scss
-a {b: selector-extend("c", "c", "c.d")}
+@use "sass:selector";
+a {b: selector.extend("c", "c", "c.d")}
 
 <===> unification/additional/simple/output.css
 a {
@@ -179,7 +197,8 @@ a {
 <===>
 ================================================================================
 <===> unification/additional/ancestor/input.scss
-a {b: selector-extend("c", "c", "d c")}
+@use "sass:selector";
+a {b: selector.extend("c", "c", "d c")}
 
 <===> unification/additional/ancestor/output.css
 a {
@@ -189,7 +208,8 @@ a {
 <===>
 ================================================================================
 <===> unification/additional/parent/input.scss
-a {b: selector-extend("c", "c", "d > c")}
+@use "sass:selector";
+a {b: selector.extend("c", "c", "d > c")}
 
 <===> unification/additional/parent/output.css
 a {
@@ -199,7 +219,8 @@ a {
 <===>
 ================================================================================
 <===> unification/additional/sibling/input.scss
-a {b: selector-extend("c", "c", "d ~ c")}
+@use "sass:selector";
+a {b: selector.extend("c", "c", "d ~ c")}
 
 <===> unification/additional/sibling/output.css
 a {
@@ -209,7 +230,8 @@ a {
 <===>
 ================================================================================
 <===> unification/additional/next_sibling/input.scss
-a {b: selector-extend("c", "c", "d + c")}
+@use "sass:selector";
+a {b: selector.extend("c", "c", "d + c")}
 
 <===> unification/additional/next_sibling/output.css
 a {
@@ -219,7 +241,8 @@ a {
 <===>
 ================================================================================
 <===> unification/subselector_of_target/is/input.scss
-a {b: selector-extend(".c:is(d)", ":is(d)", "d.e")}
+@use "sass:selector";
+a {b: selector.extend(".c:is(d)", ":is(d)", "d.e")}
 
 <===> unification/subselector_of_target/is/output.css
 a {
@@ -229,7 +252,8 @@ a {
 <===>
 ================================================================================
 <===> unification/subselector_of_target/where/input.scss
-a {b: selector-extend(".c:where(d)", ":where(d)", "d.e")}
+@use "sass:selector";
+a {b: selector.extend(".c:where(d)", ":where(d)", "d.e")}
 
 <===> unification/subselector_of_target/where/output.css
 a {
@@ -239,7 +263,8 @@ a {
 <===>
 ================================================================================
 <===> unification/subselector_of_target/matches/input.scss
-a {b: selector-extend(".c:matches(d)", ":matches(d)", "d.e")}
+@use "sass:selector";
+a {b: selector.extend(".c:matches(d)", ":matches(d)", "d.e")}
 
 <===> unification/subselector_of_target/matches/output.css
 a {
@@ -249,8 +274,9 @@ a {
 <===>
 ================================================================================
 <===> unification/specificity_modification/where/input.scss
+@use "sass:selector";
 a {
-  b: selector-extend(":where(.x)", ".x", ".x .y");
+  b: selector.extend(":where(.x)", ".x", ".x .y");
 }
 
 <===> unification/specificity_modification/where/output.css
diff --git a/spec/core_functions/selector/extend/simple/attribute.hrx b/spec/core_functions/selector/extend/simple/attribute.hrx
index e03c9efea0..a65c83d3f0 100644
--- a/spec/core_functions/selector/extend/simple/attribute.hrx
+++ b/spec/core_functions/selector/extend/simple/attribute.hrx
@@ -1,5 +1,6 @@
 <===> equal/input.scss
-a {b: selector-extend("[c=d]", "[c=d]", "e")}
+@use "sass:selector";
+a {b: selector.extend("[c=d]", "[c=d]", "e")}
 
 <===> equal/output.css
 a {
@@ -9,7 +10,8 @@ a {
 <===>
 ================================================================================
 <===> unequal/name/input.scss
-a {b: selector-extend("[c=d]", "[e=d]", "f")}
+@use "sass:selector";
+a {b: selector.extend("[c=d]", "[e=d]", "f")}
 
 <===> unequal/name/output.css
 a {
@@ -19,7 +21,8 @@ a {
 <===>
 ================================================================================
 <===> unequal/value/input.scss
-a {b: selector-extend("[c=d]", "[c=e]", "f")}
+@use "sass:selector";
+a {b: selector.extend("[c=d]", "[c=e]", "f")}
 
 <===> unequal/value/output.css
 a {
@@ -29,7 +32,8 @@ a {
 <===>
 ================================================================================
 <===> unequal/operator/input.scss
-a {b: selector-extend("[c=d]", "[c^=d]", "f")}
+@use "sass:selector";
+a {b: selector.extend("[c=d]", "[c^=d]", "f")}
 
 <===> unequal/operator/output.css
 a {
diff --git a/spec/core_functions/selector/extend/simple/class.hrx b/spec/core_functions/selector/extend/simple/class.hrx
index 8faececf46..f1f6418658 100644
--- a/spec/core_functions/selector/extend/simple/class.hrx
+++ b/spec/core_functions/selector/extend/simple/class.hrx
@@ -1,5 +1,6 @@
 <===> equal/input.scss
-a {b: selector-extend(".c", ".c", "e")}
+@use "sass:selector";
+a {b: selector.extend(".c", ".c", "e")}
 
 <===> equal/output.css
 a {
@@ -9,7 +10,8 @@ a {
 <===>
 ================================================================================
 <===> unequal/input.scss
-a {b: selector-extend(".c", ".d", "e")}
+@use "sass:selector";
+a {b: selector.extend(".c", ".d", "e")}
 
 <===> unequal/output.css
 a {
diff --git a/spec/core_functions/selector/extend/simple/id.hrx b/spec/core_functions/selector/extend/simple/id.hrx
index 9b6e533c41..3513551423 100644
--- a/spec/core_functions/selector/extend/simple/id.hrx
+++ b/spec/core_functions/selector/extend/simple/id.hrx
@@ -1,5 +1,6 @@
 <===> equal/input.scss
-a {b: selector-extend("#c", "#c", "e")}
+@use "sass:selector";
+a {b: selector.extend("#c", "#c", "e")}
 
 <===> equal/output.css
 a {
@@ -9,7 +10,8 @@ a {
 <===>
 ================================================================================
 <===> unequal/input.scss
-a {b: selector-extend("#c", "#d", "e")}
+@use "sass:selector";
+a {b: selector.extend("#c", "#d", "e")}
 
 <===> unequal/output.css
 a {
diff --git a/spec/core_functions/selector/extend/simple/placeholder.hrx b/spec/core_functions/selector/extend/simple/placeholder.hrx
index 23f7749535..99e4631ce4 100644
--- a/spec/core_functions/selector/extend/simple/placeholder.hrx
+++ b/spec/core_functions/selector/extend/simple/placeholder.hrx
@@ -1,5 +1,6 @@
 <===> equal/input.scss
-a {b: selector-extend("%c", "%c", "e")}
+@use "sass:selector";
+a {b: selector.extend("%c", "%c", "e")}
 
 <===> equal/output.css
 a {
@@ -9,7 +10,8 @@ a {
 <===>
 ================================================================================
 <===> unequal/input.scss
-a {b: selector-extend("%c", "%d", "e")}
+@use "sass:selector";
+a {b: selector.extend("%c", "%d", "e")}
 
 <===> unequal/output.css
 a {
diff --git a/spec/core_functions/selector/extend/simple/pseudo/arg.hrx b/spec/core_functions/selector/extend/simple/pseudo/arg.hrx
index 1f12b76eed..a869dddf0e 100644
--- a/spec/core_functions/selector/extend/simple/pseudo/arg.hrx
+++ b/spec/core_functions/selector/extend/simple/pseudo/arg.hrx
@@ -1,5 +1,6 @@
 <===> class/equal/input.scss
-a {b: selector-extend(":c(@#$)", ":c(@#$)", "e")}
+@use "sass:selector";
+a {b: selector.extend(":c(@#$)", ":c(@#$)", "e")}
 
 <===> class/equal/output.css
 a {
@@ -9,7 +10,8 @@ a {
 <===>
 ================================================================================
 <===> class/unequal/name/input.scss
-a {b: selector-extend(":c(@#$)", ":d(@#$)", "e")}
+@use "sass:selector";
+a {b: selector.extend(":c(@#$)", ":d(@#$)", "e")}
 
 <===> class/unequal/name/output.css
 a {
@@ -19,7 +21,8 @@ a {
 <===>
 ================================================================================
 <===> class/unequal/argument/input.scss
-a {b: selector-extend(":c(@#$)", ":c(*&^)", "e")}
+@use "sass:selector";
+a {b: selector.extend(":c(@#$)", ":c(*&^)", "e")}
 
 <===> class/unequal/argument/output.css
 a {
@@ -29,7 +32,8 @@ a {
 <===>
 ================================================================================
 <===> class/unequal/has_argument/input.scss
-a {b: selector-extend(":c(@#$)", ":c", "e")}
+@use "sass:selector";
+a {b: selector.extend(":c(@#$)", ":c", "e")}
 
 <===> class/unequal/has_argument/output.css
 a {
@@ -39,7 +43,8 @@ a {
 <===>
 ================================================================================
 <===> element/equal/input.scss
-a {b: selector-extend("::c(@#$)", "::c(@#$)", "e")}
+@use "sass:selector";
+a {b: selector.extend("::c(@#$)", "::c(@#$)", "e")}
 
 <===> element/equal/output.css
 a {
@@ -49,7 +54,8 @@ a {
 <===>
 ================================================================================
 <===> element/unequal/name/input.scss
-a {b: selector-extend("::c(@#$)", ":d(@#$)", "e")}
+@use "sass:selector";
+a {b: selector.extend("::c(@#$)", ":d(@#$)", "e")}
 
 <===> element/unequal/name/output.css
 a {
@@ -59,7 +65,8 @@ a {
 <===>
 ================================================================================
 <===> element/unequal/argument/input.scss
-a {b: selector-extend("::c(@#$)", "::c(*&^)", "e")}
+@use "sass:selector";
+a {b: selector.extend("::c(@#$)", "::c(*&^)", "e")}
 
 <===> element/unequal/argument/output.css
 a {
@@ -69,7 +76,8 @@ a {
 <===>
 ================================================================================
 <===> element/unequal/has_argument/input.scss
-a {b: selector-extend("::c(@#$)", "::c", "e")}
+@use "sass:selector";
+a {b: selector.extend("::c(@#$)", "::c", "e")}
 
 <===> element/unequal/has_argument/output.css
 a {
diff --git a/spec/core_functions/selector/extend/simple/pseudo/no_arg.hrx b/spec/core_functions/selector/extend/simple/pseudo/no_arg.hrx
index 68fc1b5ac1..11a946010a 100644
--- a/spec/core_functions/selector/extend/simple/pseudo/no_arg.hrx
+++ b/spec/core_functions/selector/extend/simple/pseudo/no_arg.hrx
@@ -1,5 +1,6 @@
 <===> class/equal/input.scss
-a {b: selector-extend(":c", ":c", "e")}
+@use "sass:selector";
+a {b: selector.extend(":c", ":c", "e")}
 
 <===> class/equal/output.css
 a {
@@ -9,7 +10,8 @@ a {
 <===>
 ================================================================================
 <===> class/unequal/input.scss
-a {b: selector-extend(":c", ":d", "e")}
+@use "sass:selector";
+a {b: selector.extend(":c", ":d", "e")}
 
 <===> class/unequal/output.css
 a {
@@ -19,7 +21,8 @@ a {
 <===>
 ================================================================================
 <===> class/and_element/input.scss
-a {b: selector-extend(":c", "::c", "e")}
+@use "sass:selector";
+a {b: selector.extend(":c", "::c", "e")}
 
 <===> class/and_element/output.css
 a {
@@ -29,7 +32,8 @@ a {
 <===>
 ================================================================================
 <===> element/equal/input.scss
-a {b: selector-extend("::c", "::c", "e")}
+@use "sass:selector";
+a {b: selector.extend("::c", "::c", "e")}
 
 <===> element/equal/output.css
 a {
@@ -39,7 +43,8 @@ a {
 <===>
 ================================================================================
 <===> element/unequal/input.scss
-a {b: selector-extend("::c", "::d", "e")}
+@use "sass:selector";
+a {b: selector.extend("::c", "::d", "e")}
 
 <===> element/unequal/output.css
 a {
@@ -49,7 +54,8 @@ a {
 <===>
 ================================================================================
 <===> element/and_class/input.scss
-a {b: selector-extend("::c", ":c", "e")}
+@use "sass:selector";
+a {b: selector.extend("::c", ":c", "e")}
 
 <===> element/and_class/output.css
 a {
diff --git a/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/any.hrx b/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/any.hrx
index 45b6e911cb..435bed03e4 100644
--- a/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/any.hrx
+++ b/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/any.hrx
@@ -1,5 +1,6 @@
 <===> simple/input.scss
-a {b: selector-extend(":any(.c)", ".c", ".d")}
+@use "sass:selector";
+a {b: selector.extend(":any(.c)", ".c", ".d")}
 
 <===> simple/output.css
 a {
@@ -9,7 +10,8 @@ a {
 <===>
 ================================================================================
 <===> list/input.scss
-a {b: selector-extend(":any(.c)", ".c", ".d, .e")}
+@use "sass:selector";
+a {b: selector.extend(":any(.c)", ".c", ".d, .e")}
 
 <===> list/output.css
 a {
@@ -19,7 +21,8 @@ a {
 <===>
 ================================================================================
 <===> any_in_extender/input.scss
-a {b: selector-extend(":any(.c)", ".c", ":any(.d, .e)")}
+@use "sass:selector";
+a {b: selector.extend(":any(.c)", ".c", ":any(.d, .e)")}
 
 <===> any_in_extender/output.css
 a {
diff --git a/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/current.hrx b/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/current.hrx
index 6946d577f9..9aaf78f4da 100644
--- a/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/current.hrx
+++ b/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/current.hrx
@@ -1,5 +1,6 @@
 <===> simple/input.scss
-a {b: selector-extend(":current(.c)", ".c", ".d")}
+@use "sass:selector";
+a {b: selector.extend(":current(.c)", ".c", ".d")}
 
 <===> simple/output.css
 a {
@@ -9,7 +10,8 @@ a {
 <===>
 ================================================================================
 <===> list/input.scss
-a {b: selector-extend(":current(.c)", ".c", ".d, .e")}
+@use "sass:selector";
+a {b: selector.extend(":current(.c)", ".c", ".d, .e")}
 
 <===> list/output.css
 a {
@@ -19,7 +21,8 @@ a {
 <===>
 ================================================================================
 <===> current_in_extender/input.scss
-a {b: selector-extend(":current(.c)", ".c", ":current(.d, .e)")}
+@use "sass:selector";
+a {b: selector.extend(":current(.c)", ".c", ":current(.d, .e)")}
 
 <===> current_in_extender/output.css
 a {
diff --git a/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/is.hrx b/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/is.hrx
index 75800dd5df..1629c81e52 100644
--- a/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/is.hrx
+++ b/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/is.hrx
@@ -1,5 +1,6 @@
 <===> simple/input.scss
-a {b: selector-extend(":is(.c)", ".c", ".d")}
+@use "sass:selector";
+a {b: selector.extend(":is(.c)", ".c", ".d")}
 
 <===> simple/output.css
 a {
@@ -9,7 +10,8 @@ a {
 <===>
 ================================================================================
 <===> list/input.scss
-a {b: selector-extend(":is(.c)", ".c", ".d, .e")}
+@use "sass:selector";
+a {b: selector.extend(":is(.c)", ".c", ".d, .e")}
 
 <===> list/output.css
 a {
@@ -19,7 +21,8 @@ a {
 <===>
 ================================================================================
 <===> is_in_extender/input.scss
-a {b: selector-extend(":is(.c)", ".c", ":is(.d, .e)")}
+@use "sass:selector";
+a {b: selector.extend(":is(.c)", ".c", ":is(.d, .e)")}
 
 <===> is_in_extender/output.css
 a {
diff --git a/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/matches.hrx b/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/matches.hrx
index 7c035bd19c..8316f3be57 100644
--- a/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/matches.hrx
+++ b/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/matches.hrx
@@ -1,5 +1,6 @@
 <===> simple/input.scss
-a {b: selector-extend(":matches(.c)", ".c", ".d")}
+@use "sass:selector";
+a {b: selector.extend(":matches(.c)", ".c", ".d")}
 
 <===> simple/output.css
 a {
@@ -9,7 +10,8 @@ a {
 <===>
 ================================================================================
 <===> list/input.scss
-a {b: selector-extend(":matches(.c)", ".c", ".d, .e")}
+@use "sass:selector";
+a {b: selector.extend(":matches(.c)", ".c", ".d, .e")}
 
 <===> list/output.css
 a {
@@ -19,7 +21,8 @@ a {
 <===>
 ================================================================================
 <===> matches_in_extender/input.scss
-a {b: selector-extend(":matches(.c)", ".c", ":matches(.d, .e)")}
+@use "sass:selector";
+a {b: selector.extend(":matches(.c)", ".c", ":matches(.d, .e)")}
 
 <===> matches_in_extender/output.css
 a {
diff --git a/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/not.hrx b/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/not.hrx
index 1fbbdfca6c..40873e9c78 100644
--- a/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/not.hrx
+++ b/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/not.hrx
@@ -9,7 +9,8 @@ than a selector list.
 <===>
 ================================================================================
 <===> simple/input.scss
-a {b: selector-extend(":not(.c)", ".c", ".d")}
+@use "sass:selector";
+a {b: selector.extend(":not(.c)", ".c", ".d")}
 
 <===> simple/output.css
 a {
@@ -19,7 +20,8 @@ a {
 <===>
 ================================================================================
 <===> list/input.scss
-a {b: selector-extend(":not(.c)", ".c", ".d, .e")}
+@use "sass:selector";
+a {b: selector.extend(":not(.c)", ".c", ".d, .e")}
 
 <===> list/output.css
 a {
@@ -29,7 +31,8 @@ a {
 <===>
 ================================================================================
 <===> complex/input.scss
-a {b: selector-extend(":not(.c .d)", ".d", ".e .f")}
+@use "sass:selector";
+a {b: selector.extend(":not(.c .d)", ".d", ".e .f")}
 
 <===> complex/output.css
 a {
@@ -39,7 +42,8 @@ a {
 <===>
 ================================================================================
 <===> component/input.scss
-a {b: selector-extend(":not(.c.d)", ".c", ".e")}
+@use "sass:selector";
+a {b: selector.extend(":not(.c.d)", ".c", ".e")}
 
 <===> component/output.css
 a {
@@ -49,9 +53,10 @@ a {
 <===>
 ================================================================================
 <===> list_in_not/input.scss
+@use "sass:selector";
 // If the original :not() already contains a selector list, we add new selectors
 // to that list because there's no risk of breaking additional browsers.
-a {b: selector-extend(":not(.c, .d)", ".c", ".e")}
+a {b: selector.extend(":not(.c, .d)", ".c", ".e")}
 
 <===> list_in_not/output.css
 a {
@@ -61,7 +66,8 @@ a {
 <===>
 ================================================================================
 <===> is/list/input.scss
-a {b: selector-extend(":not(.c)", ".c", ":is(.d, .e)")}
+@use "sass:selector";
+a {b: selector.extend(":not(.c)", ".c", ":is(.d, .e)")}
 
 <===> is/list/output.css
 a {
@@ -75,7 +81,8 @@ a {
   - libsass
 
 <===> is/list_of_complex/input.scss
-a {b: selector-extend(":not(.c)", ".c", ":is(.d .e, .f .g)")}
+@use "sass:selector";
+a {b: selector.extend(":not(.c)", ".c", ":is(.d .e, .f .g)")}
 
 <===> is/list_of_complex/output.css
 a {
@@ -85,7 +92,8 @@ a {
 <===>
 ================================================================================
 <===> is/in_compound/input.scss
-a {b: selector-extend(":not(.c)", ".c", ".d:is(.e, .f)")}
+@use "sass:selector";
+a {b: selector.extend(":not(.c)", ".c", ".d:is(.e, .f)")}
 
 <===> is/in_compound/output.css
 a {
@@ -95,7 +103,8 @@ a {
 <===>
 ================================================================================
 <===> matches/list/input.scss
-a {b: selector-extend(":not(.c)", ".c", ":matches(.d, .e)")}
+@use "sass:selector";
+a {b: selector.extend(":not(.c)", ".c", ":matches(.d, .e)")}
 
 <===> matches/list/output.css
 a {
@@ -105,7 +114,8 @@ a {
 <===>
 ================================================================================
 <===> matches/list_of_complex/input.scss
-a {b: selector-extend(":not(.c)", ".c", ":matches(.d .e, .f .g)")}
+@use "sass:selector";
+a {b: selector.extend(":not(.c)", ".c", ":matches(.d .e, .f .g)")}
 
 <===> matches/list_of_complex/output.css
 a {
@@ -115,7 +125,8 @@ a {
 <===>
 ================================================================================
 <===> matches/in_compound/input.scss
-a {b: selector-extend(":not(.c)", ".c", ".d:matches(.e, .f)")}
+@use "sass:selector";
+a {b: selector.extend(":not(.c)", ".c", ".d:matches(.e, .f)")}
 
 <===> matches/in_compound/output.css
 a {
@@ -125,7 +136,8 @@ a {
 <===>
 ================================================================================
 <===> where/list/input.scss
-a {b: selector-extend(":not(.c)", ".c", ":where(.d, .e)")}
+@use "sass:selector";
+a {b: selector.extend(":not(.c)", ".c", ":where(.d, .e)")}
 
 <===> where/list/output.css
 a {
@@ -135,7 +147,8 @@ a {
 <===>
 ================================================================================
 <===> where/list_of_complex/input.scss
-a {b: selector-extend(":not(.c)", ".c", ":where(.d .e, .f .g)")}
+@use "sass:selector";
+a {b: selector.extend(":not(.c)", ".c", ":where(.d .e, .f .g)")}
 
 <===> where/list_of_complex/output.css
 a {
@@ -145,7 +158,8 @@ a {
 <===>
 ================================================================================
 <===> where/in_compound/input.scss
-a {b: selector-extend(":not(.c)", ".c", ".d:where(.e, .f)")}
+@use "sass:selector";
+a {b: selector.extend(":not(.c)", ".c", ".d:where(.e, .f)")}
 
 <===> where/in_compound/output.css
 a {
@@ -155,11 +169,12 @@ a {
 <===>
 ================================================================================
 <===> not_in_extender/input.scss
+@use "sass:selector";
 // Ideally, this should emit `.d, :not(.c)`, but that would be the only
 // situation where extending a pseudo selector could produce a full-on selector
 // list. For the sake of simplicity of the `@extend` algorithm, we just ignore
 // nested `:not()`s instead.
-a {b: selector-extend(":not(.c)", ".c", ":not(.d)")}
+a {b: selector.extend(":not(.c)", ".c", ":not(.d)")}
 
 <===> not_in_extender/output.css
 a {
diff --git a/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/nth_child.hrx b/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/nth_child.hrx
index 9acd582c1d..f16a226919 100644
--- a/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/nth_child.hrx
+++ b/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/nth_child.hrx
@@ -1,5 +1,6 @@
 <===> simple/input.scss
-a {b: selector-extend(":nth-child(2n + 1 of .c)", ".c", ".d")}
+@use "sass:selector";
+a {b: selector.extend(":nth-child(2n + 1 of .c)", ".c", ".d")}
 
 <===> simple/output.css
 a {
@@ -9,7 +10,8 @@ a {
 <===>
 ================================================================================
 <===> list/input.scss
-a {b: selector-extend(":nth-child(2n + 1 of .c)", ".c", ".d, .e")}
+@use "sass:selector";
+a {b: selector.extend(":nth-child(2n + 1 of .c)", ".c", ".d, .e")}
 
 <===> list/output.css
 a {
@@ -19,8 +21,9 @@ a {
 <===>
 ================================================================================
 <===> same_arg_in_extender/input.scss
+@use "sass:selector";
 a {
-  b: selector-extend(
+  b: selector.extend(
       ":nth-child(2n + 1 of .c)",
       ".c",
       ":nth-child(2n + 1 of .d, .e)");
@@ -34,10 +37,11 @@ a {
 <===>
 ================================================================================
 <===> different_arg_in_extender/input.scss
+@use "sass:selector";
 // This should produce `:nth-child(2n + 1 of .c, :nth-child(2n + 1 of .d, .e))`.
 // See sass/sass#2828.
 a {
-  b: selector-extend(
+  b: selector.extend(
       ":nth-child(2n + 1 of .c)",
       ".c",
       ":nth-child(2n + 2 of .d, .e)");
diff --git a/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/nth_last_child.hrx b/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/nth_last_child.hrx
index 7684e52b6b..172415705e 100644
--- a/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/nth_last_child.hrx
+++ b/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/nth_last_child.hrx
@@ -1,5 +1,6 @@
 <===> simple/input.scss
-a {b: selector-extend(":nth-last-child(2n + 1 of .c)", ".c", ".d")}
+@use "sass:selector";
+a {b: selector.extend(":nth-last-child(2n + 1 of .c)", ".c", ".d")}
 
 <===> simple/output.css
 a {
@@ -9,7 +10,8 @@ a {
 <===>
 ================================================================================
 <===> list/input.scss
-a {b: selector-extend(":nth-last-child(2n + 1 of .c)", ".c", ".d, .e")}
+@use "sass:selector";
+a {b: selector.extend(":nth-last-child(2n + 1 of .c)", ".c", ".d, .e")}
 
 <===> list/output.css
 a {
@@ -19,8 +21,9 @@ a {
 <===>
 ================================================================================
 <===> same_arg_in_extender/input.scss
+@use "sass:selector";
 a {
-  b: selector-extend(
+  b: selector.extend(
       ":nth-last-child(2n + 1 of .c)",
       ".c",
       ":nth-last-child(2n + 1 of .d, .e)");
@@ -34,11 +37,12 @@ a {
 <===>
 ================================================================================
 <===> different_arg_in_extender/input.scss
+@use "sass:selector";
 // This should produce
 // `:nth-last-child(2n + 1 of .c, :nth-last-child(2n + 1 of .d, .e))`.
 // See sass/sass#2828.
 a {
-  b: selector-extend(
+  b: selector.extend(
       ":nth-last-child(2n + 1 of .c)",
       ".c",
       ":nth-last-child(2n + 2 of .d, .e)");
diff --git a/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/prefixed.hrx b/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/prefixed.hrx
index 47041539df..c8988c887c 100644
--- a/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/prefixed.hrx
+++ b/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/prefixed.hrx
@@ -1,5 +1,6 @@
 <===> simple/input.scss
-a {b: selector-extend(":-ms-matches(.c)", ".c", ".d")}
+@use "sass:selector";
+a {b: selector.extend(":-ms-matches(.c)", ".c", ".d")}
 
 <===> simple/output.css
 a {
@@ -9,7 +10,8 @@ a {
 <===>
 ================================================================================
 <===> list/input.scss
-a {b: selector-extend(":-ms-matches(.c)", ".c", ".d, .e")}
+@use "sass:selector";
+a {b: selector.extend(":-ms-matches(.c)", ".c", ".d, .e")}
 
 <===> list/output.css
 a {
@@ -19,7 +21,8 @@ a {
 <===>
 ================================================================================
 <===> same_prefix_in_extender/input.scss
-a {b: selector-extend(":-ms-matches(.c)", ".c", ":-ms-matches(.d, .e)")}
+@use "sass:selector";
+a {b: selector.extend(":-ms-matches(.c)", ".c", ":-ms-matches(.d, .e)")}
 
 <===> same_prefix_in_extender/output.css
 a {
@@ -29,7 +32,8 @@ a {
 <===>
 ================================================================================
 <===> different_prefix_in_extender/input.scss
-a {b: selector-extend(":-ms-matches(.c)", ".c", ":-moz-matches(.d, .e)")}
+@use "sass:selector";
+a {b: selector.extend(":-ms-matches(.c)", ".c", ":-moz-matches(.d, .e)")}
 
 <===> different_prefix_in_extender/output.css
 a {
diff --git a/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/where.hrx b/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/where.hrx
index 41abc098ee..92e380b386 100644
--- a/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/where.hrx
+++ b/spec/core_functions/selector/extend/simple/pseudo/selector/idempotent/where.hrx
@@ -1,5 +1,6 @@
 <===> simple/input.scss
-a {b: selector-extend(":where(.c)", ".c", ".d")}
+@use "sass:selector";
+a {b: selector.extend(":where(.c)", ".c", ".d")}
 
 <===> simple/output.css
 a {
@@ -9,7 +10,8 @@ a {
 <===>
 ================================================================================
 <===> list/input.scss
-a {b: selector-extend(":where(.c)", ".c", ".d, .e")}
+@use "sass:selector";
+a {b: selector.extend(":where(.c)", ".c", ".d, .e")}
 
 <===> list/output.css
 a {
@@ -19,7 +21,8 @@ a {
 <===>
 ================================================================================
 <===> is_in_extender/input.scss
-a {b: selector-extend(":where(.c)", ".c", ":where(.d, .e)")}
+@use "sass:selector";
+a {b: selector.extend(":where(.c)", ".c", ":where(.d, .e)")}
 
 <===> is_in_extender/output.css
 a {
diff --git a/spec/core_functions/selector/extend/simple/pseudo/selector/match.hrx b/spec/core_functions/selector/extend/simple/pseudo/selector/match.hrx
index f8be0425b4..a203589626 100644
--- a/spec/core_functions/selector/extend/simple/pseudo/selector/match.hrx
+++ b/spec/core_functions/selector/extend/simple/pseudo/selector/match.hrx
@@ -7,7 +7,8 @@ they're structurally equal.
 <===>
 ================================================================================
 <===> unprefixed/is/class/equal/input.scss
-a {b: selector-extend(":is(c d.e, f g)", ":is(c d.e, f g)", "h")}
+@use "sass:selector";
+a {b: selector.extend(":is(c d.e, f g)", ":is(c d.e, f g)", "h")}
 
 <===> unprefixed/is/class/equal/output.css
 a {
@@ -17,7 +18,8 @@ a {
 <===>
 ================================================================================
 <===> unprefixed/is/class/unequal/name/input.scss
-a {b: selector-extend(":is(c d.e, f g)", ":-pfx-is(c d.e, f g)", "h")}
+@use "sass:selector";
+a {b: selector.extend(":is(c d.e, f g)", ":-pfx-is(c d.e, f g)", "h")}
 
 <===> unprefixed/is/class/unequal/name/output.css
 a {
@@ -27,7 +29,8 @@ a {
 <===>
 ================================================================================
 <===> unprefixed/is/class/unequal/argument/input.scss
-a {b: selector-extend(":is(c d.e, f g)", ":is(d, g)", "h")}
+@use "sass:selector";
+a {b: selector.extend(":is(c d.e, f g)", ":is(d, g)", "h")}
 
 <===> unprefixed/is/class/unequal/argument/output.css
 a {
@@ -37,7 +40,8 @@ a {
 <===>
 ================================================================================
 <===> unprefixed/is/class/unequal/has_argument/input.scss
-a {b: selector-extend(":is(c d.e, f g)", ":is", "h")}
+@use "sass:selector";
+a {b: selector.extend(":is(c d.e, f g)", ":is", "h")}
 
 <===> unprefixed/is/class/unequal/has_argument/output.css
 a {
@@ -47,7 +51,8 @@ a {
 <===>
 ================================================================================
 <===> unprefixed/where/class/equal/input.scss
-a {b: selector-extend(":where(c d.e, f g)", ":where(c d.e, f g)", "h")}
+@use "sass:selector";
+a {b: selector.extend(":where(c d.e, f g)", ":where(c d.e, f g)", "h")}
 
 <===> unprefixed/where/class/equal/output.css
 a {
@@ -57,7 +62,8 @@ a {
 <===>
 ================================================================================
 <===> unprefixed/where/class/unequal/name/input.scss
-a {b: selector-extend(":where(c d.e, f g)", ":-pfx-where(c d.e, f g)", "h")}
+@use "sass:selector";
+a {b: selector.extend(":where(c d.e, f g)", ":-pfx-where(c d.e, f g)", "h")}
 
 <===> unprefixed/where/class/unequal/name/output.css
 a {
@@ -67,7 +73,8 @@ a {
 <===>
 ================================================================================
 <===> unprefixed/where/class/unequal/argument/input.scss
-a {b: selector-extend(":where(c d.e, f g)", ":where(d, g)", "h")}
+@use "sass:selector";
+a {b: selector.extend(":where(c d.e, f g)", ":where(d, g)", "h")}
 
 <===> unprefixed/where/class/unequal/argument/output.css
 a {
@@ -77,7 +84,8 @@ a {
 <===>
 ================================================================================
 <===> unprefixed/where/class/unequal/has_argument/input.scss
-a {b: selector-extend(":where(c d.e, f g)", ":where", "h")}
+@use "sass:selector";
+a {b: selector.extend(":where(c d.e, f g)", ":where", "h")}
 
 <===> unprefixed/where/class/unequal/has_argument/output.css
 a {
@@ -87,7 +95,8 @@ a {
 <===>
 ================================================================================
 <===> unprefixed/matches/class/equal/input.scss
-a {b: selector-extend(":matches(c d.e, f g)", ":matches(c d.e, f g)", "h")}
+@use "sass:selector";
+a {b: selector.extend(":matches(c d.e, f g)", ":matches(c d.e, f g)", "h")}
 
 <===> unprefixed/matches/class/equal/output.css
 a {
@@ -97,7 +106,8 @@ a {
 <===>
 ================================================================================
 <===> unprefixed/matches/class/unequal/name/input.scss
-a {b: selector-extend(":matches(c d.e, f g)", ":-pfx-matches(c d.e, f g)", "h")}
+@use "sass:selector";
+a {b: selector.extend(":matches(c d.e, f g)", ":-pfx-matches(c d.e, f g)", "h")}
 
 <===> unprefixed/matches/class/unequal/name/output.css
 a {
@@ -107,7 +117,8 @@ a {
 <===>
 ================================================================================
 <===> unprefixed/matches/class/unequal/argument/input.scss
-a {b: selector-extend(":matches(c d.e, f g)", ":matches(d, g)", "h")}
+@use "sass:selector";
+a {b: selector.extend(":matches(c d.e, f g)", ":matches(d, g)", "h")}
 
 <===> unprefixed/matches/class/unequal/argument/output.css
 a {
@@ -117,7 +128,8 @@ a {
 <===>
 ================================================================================
 <===> unprefixed/matches/class/unequal/has_argument/input.scss
-a {b: selector-extend(":matches(c d.e, f g)", ":matches", "h")}
+@use "sass:selector";
+a {b: selector.extend(":matches(c d.e, f g)", ":matches", "h")}
 
 <===> unprefixed/matches/class/unequal/has_argument/output.css
 a {
@@ -127,7 +139,8 @@ a {
 <===>
 ================================================================================
 <===> unprefixed/element/equal/input.scss
-a {b: selector-extend("::slotted(c.d, e.f)", "::slotted(c.d, e.f)", "g")}
+@use "sass:selector";
+a {b: selector.extend("::slotted(c.d, e.f)", "::slotted(c.d, e.f)", "g")}
 
 <===> unprefixed/element/equal/output.css
 a {
@@ -137,7 +150,8 @@ a {
 <===>
 ================================================================================
 <===> unprefixed/element/unequal/name/input.scss
-a {b: selector-extend("::slotted(c.d, e.f)", "::-pfx-slotted(c.d, e.f)", "g")}
+@use "sass:selector";
+a {b: selector.extend("::slotted(c.d, e.f)", "::-pfx-slotted(c.d, e.f)", "g")}
 
 <===> unprefixed/element/unequal/name/output.css
 a {
@@ -147,7 +161,8 @@ a {
 <===>
 ================================================================================
 <===> unprefixed/element/unequal/argument/input.scss
-a {b: selector-extend("::slotted(c.d, e.f)", "::slotted(d, g)", "g")}
+@use "sass:selector";
+a {b: selector.extend("::slotted(c.d, e.f)", "::slotted(d, g)", "g")}
 
 <===> unprefixed/element/unequal/argument/output.css
 a {
@@ -157,7 +172,8 @@ a {
 <===>
 ================================================================================
 <===> unprefixed/element/unequal/has_argument/input.scss
-a {b: selector-extend("::slotted(c.d, e.f)", "::slotted", "g")}
+@use "sass:selector";
+a {b: selector.extend("::slotted(c.d, e.f)", "::slotted", "g")}
 
 <===> unprefixed/element/unequal/has_argument/output.css
 a {
@@ -167,8 +183,9 @@ a {
 <===>
 ================================================================================
 <===> prefixed/equal/input.scss
+@use "sass:selector";
 a {
-  b: selector-extend(
+  b: selector.extend(
       ":nth-child(2n + 1 of c d.e, f g)",
       ":nth-child(2n + 1 of c d.e, f g)",
       "h");
@@ -182,8 +199,9 @@ a {
 <===>
 ================================================================================
 <===> prefixed/unequal/name/input.scss
+@use "sass:selector";
 a {
-  b: selector-extend(
+  b: selector.extend(
       ":nth-child(2n + 1 of c d.e, f g)",
       ":nth-last-child(2n + 1 of c d.e, f g)",
       "h");
@@ -197,8 +215,9 @@ a {
 <===>
 ================================================================================
 <===> prefixed/unequal/argument/input.scss
+@use "sass:selector";
 a {
-  b: selector-extend(
+  b: selector.extend(
       ":nth-child(2n + 1 of c d.e, f g)",
       ":nth-child(2n + 1 of d, g)",
       "h");
@@ -212,8 +231,9 @@ a {
 <===>
 ================================================================================
 <===> prefixed/unequal/prefix/input.scss
+@use "sass:selector";
 a {
-  b: selector-extend(
+  b: selector.extend(
       ":nth-child(2n + 1 of c d.e, f g)",
       ":nth-child(2n of c d.e, f g)",
       "h");
@@ -227,7 +247,8 @@ a {
 <===>
 ================================================================================
 <===> prefixed/unequal/has_argument/input.scss
-a {b: selector-extend(":nth-child(2n + 1 of c d.e, f g)", ":nth-child", "h")}
+@use "sass:selector";
+a {b: selector.extend(":nth-child(2n + 1 of c d.e, f g)", ":nth-child", "h")}
 
 <===> prefixed/unequal/has_argument/output.css
 a {
diff --git a/spec/core_functions/selector/extend/simple/pseudo/selector/non_idempotent.hrx b/spec/core_functions/selector/extend/simple/pseudo/selector/non_idempotent.hrx
index 9ccaf634db..eb6241a272 100644
--- a/spec/core_functions/selector/extend/simple/pseudo/selector/non_idempotent.hrx
+++ b/spec/core_functions/selector/extend/simple/pseudo/selector/non_idempotent.hrx
@@ -5,7 +5,8 @@ pseudoclass changes its semantics, so Sass never flattens these nestings.
 <===>
 ================================================================================
 <===> has/simple/input.scss
-a {b: selector-extend(":has(.c)", ".c", ".d")}
+@use "sass:selector";
+a {b: selector.extend(":has(.c)", ".c", ".d")}
 
 <===> has/simple/output.css
 a {
@@ -15,7 +16,8 @@ a {
 <===>
 ================================================================================
 <===> has/list/input.scss
-a {b: selector-extend(":has(.c)", ".c", ".d, .e")}
+@use "sass:selector";
+a {b: selector.extend(":has(.c)", ".c", ".d, .e")}
 
 <===> has/list/output.css
 a {
@@ -25,7 +27,8 @@ a {
 <===>
 ================================================================================
 <===> has/has_in_extender/input.scss
-a {b: selector-extend(":has(.c)", ".c", ":has(.d)")}
+@use "sass:selector";
+a {b: selector.extend(":has(.c)", ".c", ":has(.d)")}
 
 <===> has/has_in_extender/output.css
 a {
@@ -35,7 +38,8 @@ a {
 <===>
 ================================================================================
 <===> host/simple/input.scss
-a {b: selector-extend(":host(.c)", ".c", ".d")}
+@use "sass:selector";
+a {b: selector.extend(":host(.c)", ".c", ".d")}
 
 <===> host/simple/output.css
 a {
@@ -45,7 +49,8 @@ a {
 <===>
 ================================================================================
 <===> host/list/input.scss
-a {b: selector-extend(":host(.c)", ".c", ".d, .e")}
+@use "sass:selector";
+a {b: selector.extend(":host(.c)", ".c", ".d, .e")}
 
 <===> host/list/output.css
 a {
@@ -55,7 +60,8 @@ a {
 <===>
 ================================================================================
 <===> host/host_in_extender/input.scss
-a {b: selector-extend(":host(.c)", ".c", ":host(.d)")}
+@use "sass:selector";
+a {b: selector.extend(":host(.c)", ".c", ":host(.d)")}
 
 <===> host/host_in_extender/output.css
 a {
@@ -65,7 +71,8 @@ a {
 <===>
 ================================================================================
 <===> host_context/simple/input.scss
-a {b: selector-extend(":host-context(.c)", ".c", ".d")}
+@use "sass:selector";
+a {b: selector.extend(":host-context(.c)", ".c", ".d")}
 
 <===> host_context/simple/output.css
 a {
@@ -75,7 +82,8 @@ a {
 <===>
 ================================================================================
 <===> host_context/list/input.scss
-a {b: selector-extend(":host-context(.c)", ".c", ".d, .e")}
+@use "sass:selector";
+a {b: selector.extend(":host-context(.c)", ".c", ".d, .e")}
 
 <===> host_context/list/output.css
 a {
@@ -85,7 +93,8 @@ a {
 <===>
 ================================================================================
 <===> host_context/host_context_in_extender/input.scss
-a {b: selector-extend(":host-context(.c)", ".c", ":host-context(.d)")}
+@use "sass:selector";
+a {b: selector.extend(":host-context(.c)", ".c", ":host-context(.d)")}
 
 <===> host_context/host_context_in_extender/output.css
 a {
@@ -95,7 +104,8 @@ a {
 <===>
 ================================================================================
 <===> slotted/simple/input.scss
-a {b: selector-extend("::slotted(.c)", ".c", ".d")}
+@use "sass:selector";
+a {b: selector.extend("::slotted(.c)", ".c", ".d")}
 
 <===> slotted/simple/output.css
 a {
@@ -105,7 +115,8 @@ a {
 <===>
 ================================================================================
 <===> slotted/list/input.scss
-a {b: selector-extend("::slotted(.c)", ".c", ".d, .e")}
+@use "sass:selector";
+a {b: selector.extend("::slotted(.c)", ".c", ".d, .e")}
 
 <===> slotted/list/output.css
 a {
@@ -115,7 +126,8 @@ a {
 <===>
 ================================================================================
 <===> slotted/slotted_in_extender/input.scss
-a {b: selector-extend("::slotted(.c)", ".c", "::slotted(.d)")}
+@use "sass:selector";
+a {b: selector.extend("::slotted(.c)", ".c", "::slotted(.d)")}
 
 <===> slotted/slotted_in_extender/output.css
 a {
diff --git a/spec/core_functions/selector/extend/simple/type.hrx b/spec/core_functions/selector/extend/simple/type.hrx
index 2b25b6d7d5..c00de9d709 100644
--- a/spec/core_functions/selector/extend/simple/type.hrx
+++ b/spec/core_functions/selector/extend/simple/type.hrx
@@ -1,5 +1,6 @@
 <===> equal/input.scss
-a {b: selector-extend("c", "c", "e")}
+@use "sass:selector";
+a {b: selector.extend("c", "c", "e")}
 
 <===> equal/output.css
 a {
@@ -9,7 +10,8 @@ a {
 <===>
 ================================================================================
 <===> unequal/input.scss
-a {b: selector-extend("c", "d", "e")}
+@use "sass:selector";
+a {b: selector.extend("c", "d", "e")}
 
 <===> unequal/output.css
 a {
@@ -19,7 +21,8 @@ a {
 <===>
 ================================================================================
 <===> and_universal/input.scss
-a {b: selector-extend("c", "*", "d")}
+@use "sass:selector";
+a {b: selector.extend("c", "*", "d")}
 
 <===> and_universal/output.css
 a {
@@ -29,7 +32,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/explicit/and_explicit/equal/input.scss
-a {b: selector-extend("c|d", "c|d", "e")}
+@use "sass:selector";
+a {b: selector.extend("c|d", "c|d", "e")}
 
 <===> namespace/explicit/and_explicit/equal/output.css
 a {
@@ -39,7 +43,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/explicit/and_explicit/unequal/input.scss
-a {b: selector-extend("c|d", "e|d", "e")}
+@use "sass:selector";
+a {b: selector.extend("c|d", "e|d", "e")}
 
 <===> namespace/explicit/and_explicit/unequal/output.css
 a {
@@ -49,7 +54,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/explicit/and_implicit/input.scss
-a {b: selector-extend("c|d", "d", "e")}
+@use "sass:selector";
+a {b: selector.extend("c|d", "d", "e")}
 
 <===> namespace/explicit/and_implicit/output.css
 a {
@@ -59,7 +65,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/explicit/and_empty/input.scss
-a {b: selector-extend("c|d", "|d", "e")}
+@use "sass:selector";
+a {b: selector.extend("c|d", "|d", "e")}
 
 <===> namespace/explicit/and_empty/output.css
 a {
@@ -69,7 +76,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/explicit/and_universal/input.scss
-a {b: selector-extend("c|d", "*|d", "e")}
+@use "sass:selector";
+a {b: selector.extend("c|d", "*|d", "e")}
 
 <===> namespace/explicit/and_universal/output.css
 a {
@@ -79,7 +87,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/empty/and_explicit/input.scss
-a {b: selector-extend("|c", "d|c", "e")}
+@use "sass:selector";
+a {b: selector.extend("|c", "d|c", "e")}
 
 <===> namespace/empty/and_explicit/output.css
 a {
@@ -89,7 +98,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/empty/and_implicit/input.scss
-a {b: selector-extend("|c", "c", "d")}
+@use "sass:selector";
+a {b: selector.extend("|c", "c", "d")}
 
 <===> namespace/empty/and_implicit/output.css
 a {
@@ -99,7 +109,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/empty/and_empty/input.scss
-a {b: selector-extend("|c", "|c", "d")}
+@use "sass:selector";
+a {b: selector.extend("|c", "|c", "d")}
 
 <===> namespace/empty/and_empty/output.css
 a {
@@ -109,7 +120,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/empty/and_universal/input.scss
-a {b: selector-extend("|c", "*|c", "d")}
+@use "sass:selector";
+a {b: selector.extend("|c", "*|c", "d")}
 
 <===> namespace/empty/and_universal/output.css
 a {
@@ -125,7 +137,8 @@ matched because this phase only cares about full structural equality.
 <===>
 ================================================================================
 <===> namespace/universal/and_explicit/input.scss
-a {b: selector-extend("*|c", "d|c", "d")}
+@use "sass:selector";
+a {b: selector.extend("*|c", "d|c", "d")}
 
 <===> namespace/universal/and_explicit/output.css
 a {
@@ -135,7 +148,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/universal/and_implicit/input.scss
-a {b: selector-extend("*|c", "c", "d")}
+@use "sass:selector";
+a {b: selector.extend("*|c", "c", "d")}
 
 <===> namespace/universal/and_implicit/output.css
 a {
@@ -145,7 +159,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/universal/and_empty/input.scss
-a {b: selector-extend("*|c", "|c", "d")}
+@use "sass:selector";
+a {b: selector.extend("*|c", "|c", "d")}
 
 <===> namespace/universal/and_empty/output.css
 a {
@@ -155,7 +170,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/universal/and_universal/input.scss
-a {b: selector-extend("*|c", "*|c", "d")}
+@use "sass:selector";
+a {b: selector.extend("*|c", "*|c", "d")}
 
 <===> namespace/universal/and_universal/output.css
 a {
diff --git a/spec/core_functions/selector/extend/simple/universal.hrx b/spec/core_functions/selector/extend/simple/universal.hrx
index 0bc8fcbe6c..892986ab99 100644
--- a/spec/core_functions/selector/extend/simple/universal.hrx
+++ b/spec/core_functions/selector/extend/simple/universal.hrx
@@ -5,7 +5,8 @@ matched because this phase only cares about full structural equality.
 <===>
 ================================================================================
 <===> equal/input.scss
-a {b: selector-extend("*", "*", "c")}
+@use "sass:selector";
+a {b: selector.extend("*", "*", "c")}
 
 <===> equal/output.css
 a {
@@ -15,7 +16,8 @@ a {
 <===>
 ================================================================================
 <===> and_type/input.scss
-a {b: selector-extend("*", "c", "d")}
+@use "sass:selector";
+a {b: selector.extend("*", "c", "d")}
 
 <===> and_type/output.css
 a {
@@ -25,7 +27,8 @@ a {
 <===>
 ================================================================================
 <===> and_class/input.scss
-a {b: selector-extend("*", ".c", "d")}
+@use "sass:selector";
+a {b: selector.extend("*", ".c", "d")}
 
 <===> and_class/output.css
 a {
@@ -35,7 +38,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/explicit/and_type/explicit/equal/input.scss
-a {b: selector-extend("c|*", "c|d", "e")}
+@use "sass:selector";
+a {b: selector.extend("c|*", "c|d", "e")}
 
 <===> namespace/explicit/and_type/explicit/equal/output.css
 a {
@@ -45,7 +49,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/explicit/and_type/explicit/unequal/input.scss
-a {b: selector-extend("c|*", "e|d", "e")}
+@use "sass:selector";
+a {b: selector.extend("c|*", "e|d", "e")}
 
 <===> namespace/explicit/and_type/explicit/unequal/output.css
 a {
@@ -55,7 +60,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/explicit/and_type/implicit/input.scss
-a {b: selector-extend("c|*", "d", "e")}
+@use "sass:selector";
+a {b: selector.extend("c|*", "d", "e")}
 
 <===> namespace/explicit/and_type/implicit/output.css
 a {
@@ -65,7 +71,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/explicit/and_type/empty/input.scss
-a {b: selector-extend("c|*", "|d", "e")}
+@use "sass:selector";
+a {b: selector.extend("c|*", "|d", "e")}
 
 <===> namespace/explicit/and_type/empty/output.css
 a {
@@ -75,7 +82,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/explicit/and_universal/explicit/equal/input.scss
-a {b: selector-extend("c|*", "c|*", "e")}
+@use "sass:selector";
+a {b: selector.extend("c|*", "c|*", "e")}
 
 <===> namespace/explicit/and_universal/explicit/equal/output.css
 a {
@@ -85,7 +93,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/explicit/and_universal/explicit/unequal/input.scss
-a {b: selector-extend("c|*", "d|*", "e")}
+@use "sass:selector";
+a {b: selector.extend("c|*", "d|*", "e")}
 
 <===> namespace/explicit/and_universal/explicit/unequal/output.css
 a {
@@ -95,7 +104,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/explicit/and_universal/implicit/input.scss
-a {b: selector-extend("c|*", "*", "e")}
+@use "sass:selector";
+a {b: selector.extend("c|*", "*", "e")}
 
 <===> namespace/explicit/and_universal/implicit/output.css
 a {
@@ -105,7 +115,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/explicit/and_universal/empty/input.scss
-a {b: selector-extend("c|*", "|*", "e")}
+@use "sass:selector";
+a {b: selector.extend("c|*", "|*", "e")}
 
 <===> namespace/explicit/and_universal/empty/output.css
 a {
@@ -115,7 +126,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/explicit/and_universal/universal/input.scss
-a {b: selector-extend("c|*", "*|*", "e")}
+@use "sass:selector";
+a {b: selector.extend("c|*", "*|*", "e")}
 
 <===> namespace/explicit/and_universal/universal/output.css
 a {
@@ -125,7 +137,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/explicit/and_class/input.scss
-a {b: selector-extend("c|*", ".d", "e")}
+@use "sass:selector";
+a {b: selector.extend("c|*", ".d", "e")}
 
 <===> namespace/explicit/and_class/output.css
 a {
@@ -135,7 +148,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/empty/and_type/explicit/input.scss
-a {b: selector-extend("|*", "c|d", "e")}
+@use "sass:selector";
+a {b: selector.extend("|*", "c|d", "e")}
 
 <===> namespace/empty/and_type/explicit/output.css
 a {
@@ -145,7 +159,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/empty/and_type/implicit/input.scss
-a {b: selector-extend("|*", "d", "e")}
+@use "sass:selector";
+a {b: selector.extend("|*", "d", "e")}
 
 <===> namespace/empty/and_type/implicit/output.css
 a {
@@ -155,7 +170,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/empty/and_type/empty/input.scss
-a {b: selector-extend("|*", "|d", "e")}
+@use "sass:selector";
+a {b: selector.extend("|*", "|d", "e")}
 
 <===> namespace/empty/and_type/empty/output.css
 a {
@@ -165,7 +181,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/empty/and_universal/explicit/input.scss
-a {b: selector-extend("|*", "c|*", "d")}
+@use "sass:selector";
+a {b: selector.extend("|*", "c|*", "d")}
 
 <===> namespace/empty/and_universal/explicit/output.css
 a {
@@ -175,7 +192,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/empty/and_universal/implicit/input.scss
-a {b: selector-extend("|*", "*", "c")}
+@use "sass:selector";
+a {b: selector.extend("|*", "*", "c")}
 
 <===> namespace/empty/and_universal/implicit/output.css
 a {
@@ -185,7 +203,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/empty/and_universal/empty/input.scss
-a {b: selector-extend("|*", "|*", "c")}
+@use "sass:selector";
+a {b: selector.extend("|*", "|*", "c")}
 
 <===> namespace/empty/and_universal/empty/output.css
 a {
@@ -195,7 +214,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/empty/and_universal/universal/input.scss
-a {b: selector-extend("|*", "*|*", "c")}
+@use "sass:selector";
+a {b: selector.extend("|*", "*|*", "c")}
 
 <===> namespace/empty/and_universal/universal/output.css
 a {
@@ -205,7 +225,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/empty/and_class/input.scss
-a {b: selector-extend("|*", ".c", "d")}
+@use "sass:selector";
+a {b: selector.extend("|*", ".c", "d")}
 
 <===> namespace/empty/and_class/output.css
 a {
@@ -215,7 +236,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/universal/and_type/explicit/input.scss
-a {b: selector-extend("*|*", "c|d", "e")}
+@use "sass:selector";
+a {b: selector.extend("*|*", "c|d", "e")}
 
 <===> namespace/universal/and_type/explicit/output.css
 a {
@@ -225,7 +247,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/universal/and_type/implicit/input.scss
-a {b: selector-extend("*|*", "c", "d")}
+@use "sass:selector";
+a {b: selector.extend("*|*", "c", "d")}
 
 <===> namespace/universal/and_type/implicit/output.css
 a {
@@ -235,7 +258,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/universal/and_type/empty/input.scss
-a {b: selector-extend("*|*", "|c", "d")}
+@use "sass:selector";
+a {b: selector.extend("*|*", "|c", "d")}
 
 <===> namespace/universal/and_type/empty/output.css
 a {
@@ -245,7 +269,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/universal/and_universal/explicit/input.scss
-a {b: selector-extend("*|*", "c|*", "d")}
+@use "sass:selector";
+a {b: selector.extend("*|*", "c|*", "d")}
 
 <===> namespace/universal/and_universal/explicit/output.css
 a {
@@ -255,7 +280,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/universal/and_universal/implicit/input.scss
-a {b: selector-extend("*|*", "*", "c")}
+@use "sass:selector";
+a {b: selector.extend("*|*", "*", "c")}
 
 <===> namespace/universal/and_universal/implicit/output.css
 a {
@@ -265,7 +291,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/universal/and_universal/empty/input.scss
-a {b: selector-extend("*|*", "|*", "c")}
+@use "sass:selector";
+a {b: selector.extend("*|*", "|*", "c")}
 
 <===> namespace/universal/and_universal/empty/output.css
 a {
@@ -275,7 +302,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/universal/and_universal/universal/input.scss
-a {b: selector-extend("*|*", "*|*", "c")}
+@use "sass:selector";
+a {b: selector.extend("*|*", "*|*", "c")}
 
 <===> namespace/universal/and_universal/universal/output.css
 a {
@@ -285,7 +313,8 @@ a {
 <===>
 ================================================================================
 <===> namespace/universal/and_class/input.scss
-a {b: selector-extend("*|*", ".c", "d")}
+@use "sass:selector";
+a {b: selector.extend("*|*", ".c", "d")}
 
 <===> namespace/universal/and_class/output.css
 a {

From 58d17bbf41a6e7e441c4c7248288de2ea0666fc2 Mon Sep 17 00:00:00 2001
From: Jennifer Thakar <jathak@gmail.com>
Date: Fri, 12 Jul 2024 14:01:29 -0700
Subject: [PATCH 03/10] Migrate some additional meta functions

---
 .../meta/get_function/error.hrx               | 110 ++++++++++--------
 .../meta/get_function/same_module.hrx         |  33 +++---
 .../meta/get_function/scope.hrx               |   8 +-
 spec/core_functions/meta/get_mixin/scope.hrx  |   4 +-
 spec/core_functions/meta/inspect/color.hrx    |   3 +-
 spec/core_functions/meta/keywords.hrx         |   3 +-
 spec/core_functions/meta/load_css/with.hrx    |   5 +-
 7 files changed, 95 insertions(+), 71 deletions(-)

diff --git a/spec/core_functions/meta/get_function/error.hrx b/spec/core_functions/meta/get_function/error.hrx
index 8080e65de7..6174f75b08 100644
--- a/spec/core_functions/meta/get_function/error.hrx
+++ b/spec/core_functions/meta/get_function/error.hrx
@@ -80,22 +80,24 @@ Error: Only 3 arguments allowed, but 4 were passed.
 <===>
 ================================================================================
 <===> non_existent/input.scss
-a {b: get-function(does-not-exist)}
+@use "sass:meta";
+a {b: meta.get-function(does-not-exist)}
 
 <===> non_existent/error
 Error: Function not found: does-not-exist
   ,
-1 | a {b: get-function(does-not-exist)}
-  |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+2 | a {b: meta.get-function(does-not-exist)}
+  |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 1:7  root stylesheet
+  input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> through_forward/show/input.scss
+@use "sass:meta";
 @use "midstream" as *;
 a {
-  b: call(get-function(d));
+  b: meta.call(meta.get-function(d));
 }
 
 <===> through_forward/show/_midstream.scss
@@ -107,17 +109,18 @@ a {
 <===> through_forward/show/error
 Error: Function not found: d
   ,
-3 |   b: call(get-function(d));
-  |           ^^^^^^^^^^^^^^^
+4 |   b: meta.call(meta.get-function(d));
+  |                ^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 3:11  root stylesheet
+  input.scss 4:16  root stylesheet
 
 <===>
 ================================================================================
 <===> through_forward/hide/input.scss
+@use "sass:meta";
 @use "midstream" as *;
 a {
-  b: call(get-function(c));
+  b: meta.call(meta.get-function(c));
 }
 
 <===> through_forward/hide/_midstream.scss
@@ -129,52 +132,56 @@ a {
 <===> through_forward/hide/error
 Error: Function not found: c
   ,
-3 |   b: call(get-function(c));
-  |           ^^^^^^^^^^^^^^^
+4 |   b: meta.call(meta.get-function(c));
+  |                ^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 3:11  root stylesheet
+  input.scss 4:16  root stylesheet
 
 <===>
 ================================================================================
 <===> division/input.scss
-a {b: get-function(rgb) / get-function(lighten)}
+@use "sass:meta";
+a {b: meta.get-function(rgb) / meta.get-function(lighten)}
 
 <===> division/error
 Error: get-function("rgb") isn't a valid CSS value.
   ,
-1 | a {b: get-function(rgb) / get-function(lighten)}
-  |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+2 | a {b: meta.get-function(rgb) / meta.get-function(lighten)}
+  |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 1:7  root stylesheet
+  input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> function_exists/input.scss
+@use "sass:meta";
+
 @function add-two($v) {
   @return $v + 2;
 }
 
-$add-two-fn: get-function(add-two);
+$add-two-fn: meta.get-function(add-two);
 
 .error {
-  error: get-function($add-two-fn);
+  error: meta.get-function($add-two-fn);
 }
 
 <===> function_exists/error
 Error: $name: get-function("add-two") is not a string.
-  ,
-8 |   error: get-function($add-two-fn);
-  |          ^^^^^^^^^^^^^^^^^^^^^^^^^
-  '
-  input.scss 8:10  root stylesheet
+   ,
+10 |   error: meta.get-function($add-two-fn);
+   |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   '
+  input.scss 10:10  root stylesheet
 
 <===>
 ================================================================================
 <===> conflict/input.scss
+@use "sass:meta";
 @use "other1" as *;
 @use "other2" as *;
 
-a {b: get-function(member)}
+a {b: meta.get-function(member)}
 
 <===> conflict/other1.scss
 @function member() {@return from other1}
@@ -185,80 +192,85 @@ a {b: get-function(member)}
 <===> conflict/error
 Error: This function is available from multiple global modules.
     ,
-1   | @use "other1" as *;
+2   | @use "other1" as *;
     | ================== includes function
-2   | @use "other2" as *;
+3   | @use "other2" as *;
     | ================== includes function
 ... |
-4   | a {b: get-function(member)}
-    |       ^^^^^^^^^^^^^^^^^^^^ function use
+5   | a {b: meta.get-function(member)}
+    |       ^^^^^^^^^^^^^^^^^^^^^^^^^ function use
     '
-  input.scss 4:7  root stylesheet
+  input.scss 5:7  root stylesheet
 
 <===>
 ================================================================================
 <===> module/undefined/input.scss
 @use "sass:color";
-a {b: get-function("c", $module: "color")}
+@use "sass:meta";
+a {b: meta.get-function("c", $module: "color")}
 
 <===> module/undefined/error
 Error: Function not found: "c"
   ,
-2 | a {b: get-function("c", $module: "color")}
-  |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+3 | a {b: meta.get-function("c", $module: "color")}
+  |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 2:7  root stylesheet
+  input.scss 3:7  root stylesheet
 
 <===>
 ================================================================================
 <===> module/non_existent/input.scss
-a {b: get-function("c", $module: "d")}
+@use "sass:meta";
+a {b: meta.get-function("c", $module: "d")}
 
 <===> module/non_existent/error
 Error: There is no module with the namespace "d".
   ,
-1 | a {b: get-function("c", $module: "d")}
-  |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+2 | a {b: meta.get-function("c", $module: "d")}
+  |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 1:7  root stylesheet
+  input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> module/built_in_but_not_loaded/input.scss
-a {b: get-function("red", $module: "color")}
+@use "sass:meta";
+a {b: meta.get-function("red", $module: "color")}
 
 <===> module/built_in_but_not_loaded/error
 Error: There is no module with the namespace "color".
   ,
-1 | a {b: get-function("red", $module: "color")}
-  |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+2 | a {b: meta.get-function("red", $module: "color")}
+  |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 1:7  root stylesheet
+  input.scss 2:7  root stylesheet
 
 <===>
 ================================================================================
 <===> module/dash_sensitive/input.scss
 @use "sass:color" as a-b;
-c {d: get-function("c", $module: "a_b")}
+@use "sass:meta";
+c {d: meta.get-function("c", $module: "a_b")}
 
 <===> module/dash_sensitive/error
 Error: There is no module with the namespace "a_b".
   ,
-2 | c {d: get-function("c", $module: "a_b")}
-  |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+3 | c {d: meta.get-function("c", $module: "a_b")}
+  |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 2:7  root stylesheet
+  input.scss 3:7  root stylesheet
 
 <===>
 ================================================================================
 <===> module/and_css/input.scss
 @use "sass:color";
-a {b: get-function("red", $css: true, $module: "color")}
+@use "sass:meta";
+a {b: meta.get-function("red", $css: true, $module: "color")}
 
 <===> module/and_css/error
 Error: $css and $module may not both be passed at once.
   ,
-2 | a {b: get-function("red", $css: true, $module: "color")}
-  |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+3 | a {b: meta.get-function("red", $css: true, $module: "color")}
+  |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 2:7  root stylesheet
+  input.scss 3:7  root stylesheet
diff --git a/spec/core_functions/meta/get_function/same_module.hrx b/spec/core_functions/meta/get_function/same_module.hrx
index a35dcb2ced..44c2ae7a08 100644
--- a/spec/core_functions/meta/get_function/same_module.hrx
+++ b/spec/core_functions/meta/get_function/same_module.hrx
@@ -1,8 +1,9 @@
 <===> user_defined/input.scss
+@use "sass:meta";
 @function add-two($v) {@return $v + 2}
-$add-two-fn: get-function(add-two);
+$add-two-fn: meta.get-function(add-two);
 
-a {b: call($add-two-fn, 10)}
+a {b: meta.call($add-two-fn, 10)}
 
 <===> user_defined/output.css
 a {
@@ -12,15 +13,16 @@ a {
 <===>
 ================================================================================
 <===> redefined/input.scss
+@use "sass:meta";
 @function add-two($v) {@return $v + 2}
-$add-two-fn: get-function(add-two);
+$add-two-fn: meta.get-function(add-two);
 
 // The function returned by `get-function()` is locked in place when it's
 // called. Redefining the function after the fact shouldn't affect the stored
 // value.
 @function add-two($v) {@error "Should not be called"}
 
-a {b: call($add-two-fn, 10)}
+a {b: meta.call($add-two-fn, 10)}
 
 <===> redefined/output.css
 a {
@@ -30,9 +32,10 @@ a {
 <===>
 ================================================================================
 <===> built_in/input.scss
-$lighten-fn: get-function(lighten);
+@use "sass:meta";
+$lighten-fn: meta.get-function(lighten);
 
-a {b: call($lighten-fn, red, 30%)}
+a {b: meta.call($lighten-fn, red, 30%)}
 
 <===> built_in/output.css
 a {
@@ -42,8 +45,9 @@ a {
 <===>
 ================================================================================
 <===> through_import/input.scss
+@use "sass:meta";
 @import "other";
-a {b: call(get-function(add-two), 10)}
+a {b: meta.call(meta.get-function(add-two), 10)}
 
 <===> through_import/other.scss
 @function add-two($v) {@return $v + 2}
@@ -56,12 +60,13 @@ a {
 <===>
 ================================================================================
 <===> plain_css/input.scss
-$sass-fn: get-function(lighten);
-$css-fn: get-function(lighten, $css: true);
+@use "sass:meta";
+$sass-fn: meta.get-function(lighten);
+$css-fn: meta.get-function(lighten, $css: true);
 
 a {
-  sass-fn: call($sass-fn, red, 30%);
-  css-fn: call($css-fn, red, 30%);
+  sass-fn: meta.call($sass-fn, red, 30%);
+  css-fn: meta.call($css-fn, red, 30%);
 }
 
 <===> plain_css/output.css
@@ -73,9 +78,10 @@ a {
 <===>
 ================================================================================
 <===> dash_insensitive/dash_to_underscore/input.scss
+@use "sass:meta";
 @function add_two($v) {@return $v + 2}
 
-a {b: call(get-function(add-two), 10)}
+a {b: meta.call(meta.get-function(add-two), 10)}
 
 <===> dash_insensitive/dash_to_underscore/output.css
 a {
@@ -85,9 +91,10 @@ a {
 <===>
 ================================================================================
 <===> dash_insensitive/underscore_to_dash/input.scss
+@use "sass:meta";
 @function add-two($v) {@return $v + 2}
 
-a {b: call(get-function(add_two), 10)}
+a {b: meta.call(meta.get-function(add_two), 10)}
 
 <===> dash_insensitive/underscore_to_dash/output.css
 a {
diff --git a/spec/core_functions/meta/get_function/scope.hrx b/spec/core_functions/meta/get_function/scope.hrx
index cbafdf5683..06a3334064 100644
--- a/spec/core_functions/meta/get_function/scope.hrx
+++ b/spec/core_functions/meta/get_function/scope.hrx
@@ -1,4 +1,5 @@
 <===> stores_local_scope/input.scss
+@use "sass:meta";
 $add-two-fn: null;
 
 .scope {
@@ -6,10 +7,10 @@ $add-two-fn: null;
 
   // This function reference will still refer to this nested `add-two` function
   // even when it goes out of scope.
-  $add-two-fn: get-function(add-two) !global;
+  $add-two-fn: meta.get-function(add-two) !global;
 }
 
-a {b: call($add-two-fn, 10)}
+a {b: meta.call($add-two-fn, 10)}
 
 <===> stores_local_scope/output.css
 a {
@@ -19,6 +20,7 @@ a {
 <===>
 ================================================================================
 <===> captures_inner_scope/input.scss
+@use "sass:meta";
 @function add-two($v) {@error "Should not be called"}
 .scope1 {
   @function add-two($v) {@error "Should not be called"}
@@ -29,7 +31,7 @@ a {
 
       // Like a normal function call, get-function() will always use the
       // innermost definition of a function.
-      a: call(get-function(add-two), 10);
+      a: meta.call(meta.get-function(add-two), 10);
     }
   }
 }
diff --git a/spec/core_functions/meta/get_mixin/scope.hrx b/spec/core_functions/meta/get_mixin/scope.hrx
index 104f6c060d..d5fb42507f 100644
--- a/spec/core_functions/meta/get_mixin/scope.hrx
+++ b/spec/core_functions/meta/get_mixin/scope.hrx
@@ -11,7 +11,7 @@ $add-two-mixin: null;
 
   // This mixin reference will still refer to this nested `add-two` mixin
   // even when it goes out of scope.
-  $add-two-mixin: get-mixin(add-two) !global;
+  $add-two-mixin: meta.get-mixin(add-two) !global;
 }
 
 a {@include meta.apply($add-two-mixin, 10)}
@@ -35,7 +35,7 @@ a {
 
       // Like a normal mixin call, get-mixin() will always use the
       // innermost definition of a mixin.
-      @include meta.apply(get-mixin(add-two), 10);
+      @include meta.apply(meta.get-mixin(add-two), 10);
     }
   }
 }
diff --git a/spec/core_functions/meta/inspect/color.hrx b/spec/core_functions/meta/inspect/color.hrx
index 99b98f0f1d..2c30d186f9 100644
--- a/spec/core_functions/meta/inspect/color.hrx
+++ b/spec/core_functions/meta/inspect/color.hrx
@@ -74,12 +74,13 @@ alpha channel is anything other than 1, or the color name if it has one, or else
 the hex code.
 
 <===> generated/_utils.scss
+@use "sass:color";
 /// Returns a copy of `$color` that doesn't have color-literal metadata
 /// associated with it.
 @function generated-color($color) {
   // This doesn't change the value of `$color` at all, but it does construct a
   // new object.
-  @return scale-color($color, $blue: 0%);
+  @return color.scale($color, $blue: 0%);
 }
 
 <===>
diff --git a/spec/core_functions/meta/keywords.hrx b/spec/core_functions/meta/keywords.hrx
index 7610abfc07..13de5458e4 100644
--- a/spec/core_functions/meta/keywords.hrx
+++ b/spec/core_functions/meta/keywords.hrx
@@ -1,7 +1,8 @@
 <===> _utils.scss
+@use "sass:meta";
 /// Returns the keyword arguments passed to this function as a map.
 @function args-to-keywords($args...) {
-  @return keywords($args);
+  @return meta.keywords($args);
 }
 
 <===>
diff --git a/spec/core_functions/meta/load_css/with.hrx b/spec/core_functions/meta/load_css/with.hrx
index 2d711f8f80..6a2952ee59 100644
--- a/spec/core_functions/meta/load_css/with.hrx
+++ b/spec/core_functions/meta/load_css/with.hrx
@@ -134,11 +134,12 @@ b {
 @include meta.load-css("other", $with: (a: configured));
 
 <===> variable_exists/_other.scss
-$before-declaration: variable-exists(a);
+@use "sass:meta";
+$before-declaration: meta.variable-exists(a);
 $a: original !default;
 b {
   before-declaration: $before-declaration;
-  after-declaration: variable-exists(a);
+  after-declaration: meta.variable-exists(a);
 }
 
 <===> variable_exists/output.css

From fee504c434f18033570c24cb092dda35a5150e6a Mon Sep 17 00:00:00 2001
From: Jennifer Thakar <jathak@gmail.com>
Date: Fri, 12 Jul 2024 14:20:20 -0700
Subject: [PATCH 04/10] More libsass global functions

---
 .../forward/with/variable_exists.hrx          |   5 +-
 spec/directives/use/with/variable_exists.hrx  |   5 +-
 spec/libsass/arg-eval.hrx                     |  20 +-
 spec/libsass/at-error/feature-test.hrx        |   3 +-
 spec/libsass/bool.hrx                         |   3 +-
 spec/libsass/bourbon.hrx                      | 288 ++++++-
 spec/libsass/charset.hrx                      |   3 +-
 .../libsass/color-functions/opacity/alpha.hrx |  23 +-
 .../color-functions/other/change-color/a.hrx  |  23 +-
 .../color-functions/other/change-color/b.hrx  | 513 ++++++-------
 .../color-functions/other/change-color/g.hrx  | 513 ++++++-------
 .../color-functions/other/change-color/h.hrx  | 725 +++++++++---------
 .../color-functions/other/change-color/l.hrx  | 201 ++---
 .../color-functions/other/change-color/r.hrx  | 513 ++++++-------
 .../color-functions/other/change-color/s.hrx  | 203 ++---
 spec/libsass/color-functions/saturate.hrx     | 199 ++---
 spec/libsass/delayed.hrx                      |  83 +-
 spec/libsass/div.hrx                          |  30 +-
 spec/libsass/list-evaluation.hrx              |  32 +-
 spec/libsass/lists.hrx                        |  58 +-
 spec/libsass/mixin.hrx                        |  29 +-
 spec/libsass/parent-selector/missing.hrx      |  11 +-
 spec/libsass/precision/default.hrx            |   9 +-
 spec/libsass/precision/higher.hrx             |   7 +-
 spec/libsass/precision/lower.hrx              |   7 +-
 .../selector-functions/selector-length.hrx    |   7 +-
 .../selector-functions/simple-selector.hrx    |   5 +-
 spec/libsass/selectors/function-argument.hrx  |  17 +-
 spec/libsass/selectors/mixin-argument.hrx     |  14 +-
 spec/libsass/test.hrx                         |  31 +-
 spec/libsass/unary-ops.hrx                    |   3 +-
 spec/libsass/units/feature-test.hrx           |   3 +-
 spec/libsass/units/simple.hrx                 |  55 +-
 .../blead-global/expanding/at-root.hrx        |  15 +-
 .../blead-global/expanding/each.hrx           |  19 +-
 .../blead-global/expanding/else.hrx           |  15 +-
 .../blead-global/expanding/elseif.hrx         |  15 +-
 .../blead-global/expanding/for.hrx            |  19 +-
 .../blead-global/expanding/function.hrx       |  21 +-
 .../blead-global/expanding/if.hrx             |  15 +-
 .../blead-global/expanding/mixin.hrx          |  17 +-
 .../blead-global/expanding/ruleset.hrx        |  15 +-
 .../blead-global/expanding/while.hrx          |  19 +-
 .../blead-global/functional/each.hrx          |  45 +-
 .../blead-global/functional/else.hrx          |  45 +-
 .../blead-global/functional/elseif.hrx        |  45 +-
 .../blead-global/functional/for.hrx           |  45 +-
 .../blead-global/functional/if.hrx            |  45 +-
 .../blead-global/functional/while.hrx         |  45 +-
 .../libsass/variable-scoping/feature-test.hrx |   3 +-
 50 files changed, 2214 insertions(+), 1870 deletions(-)

diff --git a/spec/directives/forward/with/variable_exists.hrx b/spec/directives/forward/with/variable_exists.hrx
index 62110bd101..b42526120f 100644
--- a/spec/directives/forward/with/variable_exists.hrx
+++ b/spec/directives/forward/with/variable_exists.hrx
@@ -5,11 +5,12 @@
 @forward "upstream" with ($a: configured);
 
 <===> _upstream.scss
-$before-declaration: variable-exists(a);
+@use "sass:meta";
+$before-declaration: meta.variable-exists(a);
 $a: original !default;
 b {
   before-declaration: $before-declaration;
-  after-declaration: variable-exists(a);
+  after-declaration: meta.variable-exists(a);
 }
 
 <===> output.css
diff --git a/spec/directives/use/with/variable_exists.hrx b/spec/directives/use/with/variable_exists.hrx
index eb59e63feb..cff1d23a90 100644
--- a/spec/directives/use/with/variable_exists.hrx
+++ b/spec/directives/use/with/variable_exists.hrx
@@ -2,11 +2,12 @@
 @use "other" with ($a: configured);
 
 <===> _other.scss
-$before-declaration: variable-exists(a);
+@use "sass:meta";
+$before-declaration: meta.variable-exists(a);
 $a: original !default;
 b {
   before-declaration: $before-declaration;
-  after-declaration: variable-exists(a);
+  after-declaration: meta.variable-exists(a);
 }
 
 <===> output.css
diff --git a/spec/libsass/arg-eval.hrx b/spec/libsass/arg-eval.hrx
index 291d59ec52..34fee6e622 100644
--- a/spec/libsass/arg-eval.hrx
+++ b/spec/libsass/arg-eval.hrx
@@ -1,4 +1,6 @@
 <===> input.scss
+@use "sass:list";
+@use "sass:meta";
 @function foo() {
   @return 1+2 3/4 5+6;
 }
@@ -9,10 +11,10 @@
 
 div {
   content: foobar(1+2 3/4 5+6, orange);
-  content: append(1+2 2/3 5+6, orange);
+  content: list.append(1+2 2/3 5+6, orange);
   content: 1+2 2/3 5+6;
-  content: type-of(2/3);
-  content: type-of(orange);
+  content: meta.type-of(2/3);
+  content: meta.type-of(orange);
   content: foo();
   @include bar();
 }
@@ -35,10 +37,10 @@ Recommendation: math.div(2, 3)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
    ,
-13 |   content: type-of(2/3);
-   |                    ^^^
+15 |   content: meta.type-of(2/3);
+   |                         ^^^
    '
-    input.scss 13:20  root stylesheet
+    input.scss 15:25  root stylesheet
 
 DEPRECATION WARNING: Using / for division is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -47,8 +49,8 @@ Recommendation: math.div(3, 4)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-5 | @mixin bar($x: 3/4) {
+7 | @mixin bar($x: 3/4) {
   |                ^^^
   '
-    input.scss 5:16  bar()
-    input.scss 16:3  root stylesheet
+    input.scss 7:16  bar()
+    input.scss 18:3  root stylesheet
diff --git a/spec/libsass/at-error/feature-test.hrx b/spec/libsass/at-error/feature-test.hrx
index 1d1635f5ec..f19c31889a 100644
--- a/spec/libsass/at-error/feature-test.hrx
+++ b/spec/libsass/at-error/feature-test.hrx
@@ -1,5 +1,6 @@
 <===> input.scss
-@if feature-exists(at-error) {
+@use "sass:meta";
+@if meta.feature-exists(at-error) {
   div {
     feature: true;
   }
diff --git a/spec/libsass/bool.hrx b/spec/libsass/bool.hrx
index 5344efdae1..e6bc3a838c 100644
--- a/spec/libsass/bool.hrx
+++ b/spec/libsass/bool.hrx
@@ -1,11 +1,12 @@
 <===> input.scss
+@use "sass:string";
 div {
   a: (false and "hey");
   b: ("hey" and "ho");
   b: ("hey" or "ho");
   a: false and "hey";
   b: "hey" and "ho";
-  b: unquote("hey") or "ho";
+  b: string.unquote("hey") or "ho";
 }
 <===> output.css
 div {
diff --git a/spec/libsass/bourbon.hrx b/spec/libsass/bourbon.hrx
index 25311a1372..3b564ed606 100644
--- a/spec/libsass/bourbon.hrx
+++ b/spec/libsass/bourbon.hrx
@@ -7,6 +7,7 @@
 - lint-hrx
 
 <===> input.scss
+@use "sass:color";
 @import "lib/_bourbon.scss";
 
 box:hover {
@@ -31,7 +32,7 @@ div {
 
   // Multiple linear-gradients - Demo
   @include background-image(linear-gradient(hsla(0, 100%, 100%, 0.25) 0%, hsla(0, 100%, 100%, 0.08) 50%, transparent 50%),
-                             linear-gradient(#4e7ba3, darken(#4e7ba4, 10%)));
+                             linear-gradient(#4e7ba3, color.adjust(#4e7ba4, $lightness: -10%)));
 
   // NOT SUPPORTED - Multiple image assets with shorthand notation
   @include background-image(url("/images/a.png") center no-repeat, url("images/b.png") left repeat);
@@ -1933,3 +1934,288 @@ div {
   background-image: -webkit-url("/images/a.png")-gradient(center), -webkit-url("images/b.png")-gradient(left);
   background-image: url("/images/a.png")-gradient( center), url("images/b.png")-gradient( left);
 }
+
+<===> warning
+DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
+Use string.unquote instead.
+
+More info and automated migrator: https://sass-lang.com/d/import
+
+   ,
+25 |   $unquoted-inputs-list: append($unquoted-inputs-list, unquote($input-type), comma);
+   |                                                        ^^^^^^^^^^^^^^^^^^^^
+   '
+    lib/addons/_html5-input-types.scss 25:56  @import
+    lib/_bourbon.scss 50:9                    @import
+    input.scss 2:9                            root stylesheet
+
+DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
+Use list.append instead.
+
+More info and automated migrator: https://sass-lang.com/d/import
+
+   ,
+25 |   $unquoted-inputs-list: append($unquoted-inputs-list, unquote($input-type), comma);
+   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   '
+    lib/addons/_html5-input-types.scss 25:26  @import
+    lib/_bourbon.scss 50:9                    @import
+    input.scss 2:9                            root stylesheet
+
+DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
+Use list.append instead.
+
+More info and automated migrator: https://sass-lang.com/d/import
+
+   ,
+36 |       $all-text-inputs-hover: append($all-text-inputs-hover, $input-type-hover, comma);
+   |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   '
+    lib/addons/_html5-input-types.scss 36:31  @import
+    lib/_bourbon.scss 50:9                    @import
+    input.scss 2:9                            root stylesheet
+
+DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
+Use list.append instead.
+
+More info and automated migrator: https://sass-lang.com/d/import
+
+   ,
+44 |       $all-text-inputs-focus: append($all-text-inputs-focus, $input-type-focus, comma);
+   |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   '
+    lib/addons/_html5-input-types.scss 44:31  @import
+    lib/_bourbon.scss 50:9                    @import
+    input.scss 2:9                            root stylesheet
+
+DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
+Use list.length instead.
+
+More info and automated migrator: https://sass-lang.com/d/import
+
+   ,
+14 |   @for $i from 1 through length($images) {
+   |                          ^^^^^^^^^^^^^^^
+   '
+    lib/css3/_background-image.scss 14:26  -add-prefix()
+    lib/css3/_background-image.scss 7:21   background-image()
+    input.scss 19:3                        root stylesheet
+
+DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
+Use list.nth instead.
+
+More info and automated migrator: https://sass-lang.com/d/import
+
+   ,
+15 |     $type: type-of(nth($images, $i)); // Get type of variable - List or String
+   |                    ^^^^^^^^^^^^^^^^
+   '
+    lib/css3/_background-image.scss 15:20  -add-prefix()
+    lib/css3/_background-image.scss 7:21   background-image()
+    input.scss 19:3                        root stylesheet
+
+DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
+Use meta.type-of instead.
+
+More info and automated migrator: https://sass-lang.com/d/import
+
+   ,
+15 |     $type: type-of(nth($images, $i)); // Get type of variable - List or String
+   |            ^^^^^^^^^^^^^^^^^^^^^^^^^
+   '
+    lib/css3/_background-image.scss 15:12  -add-prefix()
+    lib/css3/_background-image.scss 7:21   background-image()
+    input.scss 19:3                        root stylesheet
+
+DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
+Use list.nth instead.
+
+More info and automated migrator: https://sass-lang.com/d/import
+
+   ,
+37 |       $images-prefixed: join($images-prefixed, nth($images, $i), comma);
+   |                                                ^^^^^^^^^^^^^^^^
+   '
+    lib/css3/_background-image.scss 37:48  -add-prefix()
+    lib/css3/_background-image.scss 7:21   background-image()
+    input.scss 19:3                        root stylesheet
+
+DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
+Use list.join instead.
+
+More info and automated migrator: https://sass-lang.com/d/import
+
+   ,
+37 |       $images-prefixed: join($images-prefixed, nth($images, $i), comma);
+   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   '
+    lib/css3/_background-image.scss 37:25  -add-prefix()
+    lib/css3/_background-image.scss 7:21   background-image()
+    input.scss 19:3                        root stylesheet
+
+DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
+Use list.nth instead.
+
+More info and automated migrator: https://sass-lang.com/d/import
+
+  ,
+3 |   $pos-type: type-of(nth($pos, 1));
+  |                      ^^^^^^^^^^^^
+  '
+    lib/functions/_linear-gradient.scss 3:22  linear-gradient()
+    input.scss 22:51                          root stylesheet
+
+DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
+Use meta.type-of instead.
+
+More info and automated migrator: https://sass-lang.com/d/import
+
+  ,
+3 |   $pos-type: type-of(nth($pos, 1));
+  |              ^^^^^^^^^^^^^^^^^^^^^
+  '
+    lib/functions/_linear-gradient.scss 3:14  linear-gradient()
+    input.scss 22:51                          root stylesheet
+
+DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
+Use list.zip instead.
+
+More info and automated migrator: https://sass-lang.com/d/import
+
+  ,
+7 |     $gradients: zip($pos $gradients);
+  |                 ^^^^^^^^^^^^^^^^^^^^
+  '
+    lib/functions/_linear-gradient.scss 7:17  linear-gradient()
+    input.scss 22:51                          root stylesheet
+
+DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
+Use list.nth instead.
+
+More info and automated migrator: https://sass-lang.com/d/import
+
+   ,
+19 |       $gradient-type: nth(nth($images, $i), 1); // linear or radial
+   |                           ^^^^^^^^^^^^^^^^
+   '
+    lib/css3/_background-image.scss 19:27  -add-prefix()
+    lib/css3/_background-image.scss 7:21   background-image()
+    input.scss 22:3                        root stylesheet
+
+DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
+Use list.nth instead.
+
+More info and automated migrator: https://sass-lang.com/d/import
+
+   ,
+19 |       $gradient-type: nth(nth($images, $i), 1); // linear or radial
+   |                       ^^^^^^^^^^^^^^^^^^^^^^^^
+   '
+    lib/css3/_background-image.scss 19:23  -add-prefix()
+    lib/css3/_background-image.scss 7:21   background-image()
+    input.scss 22:3                        root stylesheet
+
+DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
+Use list.nth instead.
+
+More info and automated migrator: https://sass-lang.com/d/import
+
+   ,
+24 |         $gradient-pos:  nth(nth($images, $i), 2); // Get gradient position
+   |                             ^^^^^^^^^^^^^^^^
+   '
+    lib/css3/_background-image.scss 24:29  -add-prefix()
+    lib/css3/_background-image.scss 7:21   background-image()
+    input.scss 22:3                        root stylesheet
+
+DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
+Use list.nth instead.
+
+More info and automated migrator: https://sass-lang.com/d/import
+
+   ,
+24 |         $gradient-pos:  nth(nth($images, $i), 2); // Get gradient position
+   |                         ^^^^^^^^^^^^^^^^^^^^^^^^
+   '
+    lib/css3/_background-image.scss 24:25  -add-prefix()
+    lib/css3/_background-image.scss 7:21   background-image()
+    input.scss 22:3                        root stylesheet
+
+DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
+Use list.nth instead.
+
+More info and automated migrator: https://sass-lang.com/d/import
+
+   ,
+25 |         $gradient-args: nth(nth($images, $i), 3); // Get actual gradient (red, blue)
+   |                             ^^^^^^^^^^^^^^^^
+   '
+    lib/css3/_background-image.scss 25:29  -add-prefix()
+    lib/css3/_background-image.scss 7:21   background-image()
+    input.scss 22:3                        root stylesheet
+
+DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
+Use list.nth instead.
+
+More info and automated migrator: https://sass-lang.com/d/import
+
+   ,
+25 |         $gradient-args: nth(nth($images, $i), 3); // Get actual gradient (red, blue)
+   |                         ^^^^^^^^^^^^^^^^^^^^^^^^
+   '
+    lib/css3/_background-image.scss 25:25  -add-prefix()
+    lib/css3/_background-image.scss 7:21   background-image()
+    input.scss 22:3                        root stylesheet
+
+DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
+Use list.append instead.
+
+More info and automated migrator: https://sass-lang.com/d/import
+
+   ,
+33 |       $images-prefixed: append($images-prefixed, $gradient, comma);
+   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   '
+    lib/css3/_background-image.scss 33:25  -add-prefix()
+    lib/css3/_background-image.scss 7:21   background-image()
+    input.scss 22:3                        root stylesheet
+
+DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
+Use string.unquote instead.
+
+More info and automated migrator: https://sass-lang.com/d/import
+
+   ,
+23 |     $vendor-gradients: unquote($vendor-gradients);
+   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^
+   '
+    lib/helpers/_render-gradients.scss 23:24  -render-gradients()
+    lib/css3/_background-image.scss 32:18     -add-prefix()
+    lib/css3/_background-image.scss 8:21      background-image()
+    input.scss 22:3                           root stylesheet
+
+DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
+Use list.nth instead.
+
+More info and automated migrator: https://sass-lang.com/d/import
+
+   ,
+28 |         $gradient-args: nth(nth($images, $i), 2); // Get actual gradient (red, blue)
+   |                             ^^^^^^^^^^^^^^^^
+   '
+    lib/css3/_background-image.scss 28:29  -add-prefix()
+    lib/css3/_background-image.scss 7:21   background-image()
+    input.scss 29:3                        root stylesheet
+
+DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
+Use list.nth instead.
+
+More info and automated migrator: https://sass-lang.com/d/import
+
+   ,
+28 |         $gradient-args: nth(nth($images, $i), 2); // Get actual gradient (red, blue)
+   |                         ^^^^^^^^^^^^^^^^^^^^^^^^
+   '
+    lib/css3/_background-image.scss 28:25  -add-prefix()
+    lib/css3/_background-image.scss 7:21   background-image()
+    input.scss 29:3                        root stylesheet
diff --git a/spec/libsass/charset.hrx b/spec/libsass/charset.hrx
index 1856bf7ae5..9678dde271 100644
--- a/spec/libsass/charset.hrx
+++ b/spec/libsass/charset.hrx
@@ -1,6 +1,7 @@
 <===> input.scss
+@use "sass:string";
 div {
-  content: to-upper-case("øáéíóúüñ¿éàŤDžǂɊɱʭʬѪ҈ݓ");
+  content: string.to-upper-case("øáéíóúüñ¿éàŤDžǂɊɱʭʬѪ҈ݓ");
 }
 
 <===> output.css
diff --git a/spec/libsass/color-functions/opacity/alpha.hrx b/spec/libsass/color-functions/opacity/alpha.hrx
index cc9bb46b8b..ebd93a3c4d 100644
--- a/spec/libsass/color-functions/opacity/alpha.hrx
+++ b/spec/libsass/color-functions/opacity/alpha.hrx
@@ -1,16 +1,17 @@
 <===> input.scss
+@use "sass:color";
 foo {
-  c0: opacity(rgba(0,0,0,0.0));
-  c1: opacity(rgba(0,0,0,0.1));
-  c2: opacity(rgba(0,0,0,0.2));
-  c3: opacity(rgba(0,0,0,0.3));
-  c4: opacity(rgba(0,0,0,0.4));
-  c5: opacity(rgba(0,0,0,0.5));
-  c6: opacity(rgba(0,0,0,0.6));
-  c7: opacity(rgba(0,0,0,0.7));
-  c8: opacity(rgba(0,0,0,0.8));
-  c9: opacity(rgba(0,0,0,0.9));
-  c10: opacity(rgba(0,0,0,1));
+  c0: color.opacity(rgba(0,0,0,0.0));
+  c1: color.opacity(rgba(0,0,0,0.1));
+  c2: color.opacity(rgba(0,0,0,0.2));
+  c3: color.opacity(rgba(0,0,0,0.3));
+  c4: color.opacity(rgba(0,0,0,0.4));
+  c5: color.opacity(rgba(0,0,0,0.5));
+  c6: color.opacity(rgba(0,0,0,0.6));
+  c7: color.opacity(rgba(0,0,0,0.7));
+  c8: color.opacity(rgba(0,0,0,0.8));
+  c9: color.opacity(rgba(0,0,0,0.9));
+  c10: color.opacity(rgba(0,0,0,1));
 }
 
 <===> output.css
diff --git a/spec/libsass/color-functions/other/change-color/a.hrx b/spec/libsass/color-functions/other/change-color/a.hrx
index 968f0781d7..da71953451 100644
--- a/spec/libsass/color-functions/other/change-color/a.hrx
+++ b/spec/libsass/color-functions/other/change-color/a.hrx
@@ -1,17 +1,18 @@
 <===> input.scss
+@use "sass:color";
 foo {
   // c-1: change-color(black,$alpha:-1);
-  c0: change-color(black,$alpha:0.0);
-  c1: change-color(black,$alpha:0.1);
-  c2: change-color(black,$alpha:0.2);
-  c3: change-color(black,$alpha:0.3);
-  c4: change-color(black,$alpha:0.4);
-  c5: change-color(black,$alpha:0.5);
-  c6: change-color(black,$alpha:0.6);
-  c7: change-color(black,$alpha:0.7);
-  c8: change-color(black,$alpha:0.8);
-  c9: change-color(black,$alpha:0.9);
-  c10: change-color(black,$alpha:1);
+  c0: color.change(black,$alpha:0.0);
+  c1: color.change(black,$alpha:0.1);
+  c2: color.change(black,$alpha:0.2);
+  c3: color.change(black,$alpha:0.3);
+  c4: color.change(black,$alpha:0.4);
+  c5: color.change(black,$alpha:0.5);
+  c6: color.change(black,$alpha:0.6);
+  c7: color.change(black,$alpha:0.7);
+  c8: color.change(black,$alpha:0.8);
+  c9: color.change(black,$alpha:0.9);
+  c10: color.change(black,$alpha:1);
   // c11: change-color(black,$alpha:1.1);
   // c12: change-color(black,$alpha:2);
 }
diff --git a/spec/libsass/color-functions/other/change-color/b.hrx b/spec/libsass/color-functions/other/change-color/b.hrx
index 6cdcea5416..e11e69d1fd 100644
--- a/spec/libsass/color-functions/other/change-color/b.hrx
+++ b/spec/libsass/color-functions/other/change-color/b.hrx
@@ -1,262 +1,263 @@
 <===> input.scss
+@use "sass:color";
 foo {
   // c-1: change-color(black,$blue:-1);
-  c0: change-color(black,$blue:0);
-  c1: change-color(black,$blue:1);
-  c2: change-color(black,$blue:2);
-  c3: change-color(black,$blue:3);
-  c4: change-color(black,$blue:4);
-  c5: change-color(black,$blue:5);
-  c6: change-color(black,$blue:6);
-  c7: change-color(black,$blue:7);
-  c8: change-color(black,$blue:8);
-  c9: change-color(black,$blue:9);
-  c10: change-color(black,$blue:10);
-  c11: change-color(black,$blue:11);
-  c12: change-color(black,$blue:12);
-  c13: change-color(black,$blue:13);
-  c14: change-color(black,$blue:14);
-  c15: change-color(black,$blue:15);
-  c16: change-color(black,$blue:16);
-  c17: change-color(black,$blue:17);
-  c18: change-color(black,$blue:18);
-  c19: change-color(black,$blue:19);
-  c20: change-color(black,$blue:20);
-  c21: change-color(black,$blue:21);
-  c22: change-color(black,$blue:22);
-  c23: change-color(black,$blue:23);
-  c24: change-color(black,$blue:24);
-  c25: change-color(black,$blue:25);
-  c26: change-color(black,$blue:26);
-  c27: change-color(black,$blue:27);
-  c28: change-color(black,$blue:28);
-  c29: change-color(black,$blue:29);
-  c30: change-color(black,$blue:30);
-  c31: change-color(black,$blue:31);
-  c32: change-color(black,$blue:32);
-  c33: change-color(black,$blue:33);
-  c34: change-color(black,$blue:34);
-  c35: change-color(black,$blue:35);
-  c36: change-color(black,$blue:36);
-  c37: change-color(black,$blue:37);
-  c38: change-color(black,$blue:38);
-  c39: change-color(black,$blue:39);
-  c40: change-color(black,$blue:40);
-  c41: change-color(black,$blue:41);
-  c42: change-color(black,$blue:42);
-  c43: change-color(black,$blue:43);
-  c44: change-color(black,$blue:44);
-  c45: change-color(black,$blue:45);
-  c46: change-color(black,$blue:46);
-  c47: change-color(black,$blue:47);
-  c48: change-color(black,$blue:48);
-  c49: change-color(black,$blue:49);
-  c50: change-color(black,$blue:50);
-  c51: change-color(black,$blue:51);
-  c52: change-color(black,$blue:52);
-  c53: change-color(black,$blue:53);
-  c54: change-color(black,$blue:54);
-  c55: change-color(black,$blue:55);
-  c56: change-color(black,$blue:56);
-  c57: change-color(black,$blue:57);
-  c58: change-color(black,$blue:58);
-  c59: change-color(black,$blue:59);
-  c60: change-color(black,$blue:60);
-  c61: change-color(black,$blue:61);
-  c62: change-color(black,$blue:62);
-  c63: change-color(black,$blue:63);
-  c64: change-color(black,$blue:64);
-  c65: change-color(black,$blue:65);
-  c66: change-color(black,$blue:66);
-  c67: change-color(black,$blue:67);
-  c68: change-color(black,$blue:68);
-  c69: change-color(black,$blue:69);
-  c70: change-color(black,$blue:70);
-  c71: change-color(black,$blue:71);
-  c72: change-color(black,$blue:72);
-  c73: change-color(black,$blue:73);
-  c74: change-color(black,$blue:74);
-  c75: change-color(black,$blue:75);
-  c76: change-color(black,$blue:76);
-  c77: change-color(black,$blue:77);
-  c78: change-color(black,$blue:78);
-  c79: change-color(black,$blue:79);
-  c80: change-color(black,$blue:80);
-  c81: change-color(black,$blue:81);
-  c82: change-color(black,$blue:82);
-  c83: change-color(black,$blue:83);
-  c84: change-color(black,$blue:84);
-  c85: change-color(black,$blue:85);
-  c86: change-color(black,$blue:86);
-  c87: change-color(black,$blue:87);
-  c88: change-color(black,$blue:88);
-  c89: change-color(black,$blue:89);
-  c90: change-color(black,$blue:90);
-  c91: change-color(black,$blue:91);
-  c92: change-color(black,$blue:92);
-  c93: change-color(black,$blue:93);
-  c94: change-color(black,$blue:94);
-  c95: change-color(black,$blue:95);
-  c96: change-color(black,$blue:96);
-  c97: change-color(black,$blue:97);
-  c98: change-color(black,$blue:98);
-  c99: change-color(black,$blue:99);
-  c100: change-color(black,$blue:100);
-  c101: change-color(black,$blue:101);
-  c102: change-color(black,$blue:102);
-  c103: change-color(black,$blue:103);
-  c104: change-color(black,$blue:104);
-  c105: change-color(black,$blue:105);
-  c106: change-color(black,$blue:106);
-  c107: change-color(black,$blue:107);
-  c108: change-color(black,$blue:108);
-  c109: change-color(black,$blue:109);
-  c110: change-color(black,$blue:110);
-  c111: change-color(black,$blue:111);
-  c112: change-color(black,$blue:112);
-  c113: change-color(black,$blue:113);
-  c114: change-color(black,$blue:114);
-  c115: change-color(black,$blue:115);
-  c116: change-color(black,$blue:116);
-  c117: change-color(black,$blue:117);
-  c118: change-color(black,$blue:118);
-  c119: change-color(black,$blue:119);
-  c120: change-color(black,$blue:120);
-  c121: change-color(black,$blue:121);
-  c122: change-color(black,$blue:122);
-  c123: change-color(black,$blue:123);
-  c124: change-color(black,$blue:124);
-  c125: change-color(black,$blue:125);
-  c126: change-color(black,$blue:126);
-  c127: change-color(black,$blue:127);
-  c128: change-color(black,$blue:128);
-  c129: change-color(black,$blue:129);
-  c130: change-color(black,$blue:130);
-  c131: change-color(black,$blue:131);
-  c132: change-color(black,$blue:132);
-  c133: change-color(black,$blue:133);
-  c134: change-color(black,$blue:134);
-  c135: change-color(black,$blue:135);
-  c136: change-color(black,$blue:136);
-  c137: change-color(black,$blue:137);
-  c138: change-color(black,$blue:138);
-  c139: change-color(black,$blue:139);
-  c140: change-color(black,$blue:140);
-  c141: change-color(black,$blue:141);
-  c142: change-color(black,$blue:142);
-  c143: change-color(black,$blue:143);
-  c144: change-color(black,$blue:144);
-  c145: change-color(black,$blue:145);
-  c146: change-color(black,$blue:146);
-  c147: change-color(black,$blue:147);
-  c148: change-color(black,$blue:148);
-  c149: change-color(black,$blue:149);
-  c150: change-color(black,$blue:150);
-  c151: change-color(black,$blue:151);
-  c152: change-color(black,$blue:152);
-  c153: change-color(black,$blue:153);
-  c154: change-color(black,$blue:154);
-  c155: change-color(black,$blue:155);
-  c156: change-color(black,$blue:156);
-  c157: change-color(black,$blue:157);
-  c158: change-color(black,$blue:158);
-  c159: change-color(black,$blue:159);
-  c160: change-color(black,$blue:160);
-  c161: change-color(black,$blue:161);
-  c162: change-color(black,$blue:162);
-  c163: change-color(black,$blue:163);
-  c164: change-color(black,$blue:164);
-  c165: change-color(black,$blue:165);
-  c166: change-color(black,$blue:166);
-  c167: change-color(black,$blue:167);
-  c168: change-color(black,$blue:168);
-  c169: change-color(black,$blue:169);
-  c170: change-color(black,$blue:170);
-  c171: change-color(black,$blue:171);
-  c172: change-color(black,$blue:172);
-  c173: change-color(black,$blue:173);
-  c174: change-color(black,$blue:174);
-  c175: change-color(black,$blue:175);
-  c176: change-color(black,$blue:176);
-  c177: change-color(black,$blue:177);
-  c178: change-color(black,$blue:178);
-  c179: change-color(black,$blue:179);
-  c180: change-color(black,$blue:180);
-  c181: change-color(black,$blue:181);
-  c182: change-color(black,$blue:182);
-  c183: change-color(black,$blue:183);
-  c184: change-color(black,$blue:184);
-  c185: change-color(black,$blue:185);
-  c186: change-color(black,$blue:186);
-  c187: change-color(black,$blue:187);
-  c188: change-color(black,$blue:188);
-  c189: change-color(black,$blue:189);
-  c190: change-color(black,$blue:190);
-  c191: change-color(black,$blue:191);
-  c192: change-color(black,$blue:192);
-  c193: change-color(black,$blue:193);
-  c194: change-color(black,$blue:194);
-  c195: change-color(black,$blue:195);
-  c196: change-color(black,$blue:196);
-  c197: change-color(black,$blue:197);
-  c198: change-color(black,$blue:198);
-  c199: change-color(black,$blue:199);
-  c200: change-color(black,$blue:200);
-  c201: change-color(black,$blue:201);
-  c202: change-color(black,$blue:202);
-  c203: change-color(black,$blue:203);
-  c204: change-color(black,$blue:204);
-  c205: change-color(black,$blue:205);
-  c206: change-color(black,$blue:206);
-  c207: change-color(black,$blue:207);
-  c208: change-color(black,$blue:208);
-  c209: change-color(black,$blue:209);
-  c210: change-color(black,$blue:210);
-  c211: change-color(black,$blue:211);
-  c212: change-color(black,$blue:212);
-  c213: change-color(black,$blue:213);
-  c214: change-color(black,$blue:214);
-  c215: change-color(black,$blue:215);
-  c216: change-color(black,$blue:216);
-  c217: change-color(black,$blue:217);
-  c218: change-color(black,$blue:218);
-  c219: change-color(black,$blue:219);
-  c220: change-color(black,$blue:220);
-  c221: change-color(black,$blue:221);
-  c222: change-color(black,$blue:222);
-  c223: change-color(black,$blue:223);
-  c224: change-color(black,$blue:224);
-  c225: change-color(black,$blue:225);
-  c226: change-color(black,$blue:226);
-  c227: change-color(black,$blue:227);
-  c228: change-color(black,$blue:228);
-  c229: change-color(black,$blue:229);
-  c230: change-color(black,$blue:230);
-  c231: change-color(black,$blue:231);
-  c232: change-color(black,$blue:232);
-  c233: change-color(black,$blue:233);
-  c234: change-color(black,$blue:234);
-  c235: change-color(black,$blue:235);
-  c236: change-color(black,$blue:236);
-  c237: change-color(black,$blue:237);
-  c238: change-color(black,$blue:238);
-  c239: change-color(black,$blue:239);
-  c240: change-color(black,$blue:240);
-  c241: change-color(black,$blue:241);
-  c242: change-color(black,$blue:242);
-  c243: change-color(black,$blue:243);
-  c244: change-color(black,$blue:244);
-  c245: change-color(black,$blue:245);
-  c246: change-color(black,$blue:246);
-  c247: change-color(black,$blue:247);
-  c248: change-color(black,$blue:248);
-  c249: change-color(black,$blue:249);
-  c250: change-color(black,$blue:250);
-  c251: change-color(black,$blue:251);
-  c252: change-color(black,$blue:252);
-  c253: change-color(black,$blue:253);
-  c254: change-color(black,$blue:254);
-  c255: change-color(black,$blue:255);
+  c0: color.change(black,$blue:0);
+  c1: color.change(black,$blue:1);
+  c2: color.change(black,$blue:2);
+  c3: color.change(black,$blue:3);
+  c4: color.change(black,$blue:4);
+  c5: color.change(black,$blue:5);
+  c6: color.change(black,$blue:6);
+  c7: color.change(black,$blue:7);
+  c8: color.change(black,$blue:8);
+  c9: color.change(black,$blue:9);
+  c10: color.change(black,$blue:10);
+  c11: color.change(black,$blue:11);
+  c12: color.change(black,$blue:12);
+  c13: color.change(black,$blue:13);
+  c14: color.change(black,$blue:14);
+  c15: color.change(black,$blue:15);
+  c16: color.change(black,$blue:16);
+  c17: color.change(black,$blue:17);
+  c18: color.change(black,$blue:18);
+  c19: color.change(black,$blue:19);
+  c20: color.change(black,$blue:20);
+  c21: color.change(black,$blue:21);
+  c22: color.change(black,$blue:22);
+  c23: color.change(black,$blue:23);
+  c24: color.change(black,$blue:24);
+  c25: color.change(black,$blue:25);
+  c26: color.change(black,$blue:26);
+  c27: color.change(black,$blue:27);
+  c28: color.change(black,$blue:28);
+  c29: color.change(black,$blue:29);
+  c30: color.change(black,$blue:30);
+  c31: color.change(black,$blue:31);
+  c32: color.change(black,$blue:32);
+  c33: color.change(black,$blue:33);
+  c34: color.change(black,$blue:34);
+  c35: color.change(black,$blue:35);
+  c36: color.change(black,$blue:36);
+  c37: color.change(black,$blue:37);
+  c38: color.change(black,$blue:38);
+  c39: color.change(black,$blue:39);
+  c40: color.change(black,$blue:40);
+  c41: color.change(black,$blue:41);
+  c42: color.change(black,$blue:42);
+  c43: color.change(black,$blue:43);
+  c44: color.change(black,$blue:44);
+  c45: color.change(black,$blue:45);
+  c46: color.change(black,$blue:46);
+  c47: color.change(black,$blue:47);
+  c48: color.change(black,$blue:48);
+  c49: color.change(black,$blue:49);
+  c50: color.change(black,$blue:50);
+  c51: color.change(black,$blue:51);
+  c52: color.change(black,$blue:52);
+  c53: color.change(black,$blue:53);
+  c54: color.change(black,$blue:54);
+  c55: color.change(black,$blue:55);
+  c56: color.change(black,$blue:56);
+  c57: color.change(black,$blue:57);
+  c58: color.change(black,$blue:58);
+  c59: color.change(black,$blue:59);
+  c60: color.change(black,$blue:60);
+  c61: color.change(black,$blue:61);
+  c62: color.change(black,$blue:62);
+  c63: color.change(black,$blue:63);
+  c64: color.change(black,$blue:64);
+  c65: color.change(black,$blue:65);
+  c66: color.change(black,$blue:66);
+  c67: color.change(black,$blue:67);
+  c68: color.change(black,$blue:68);
+  c69: color.change(black,$blue:69);
+  c70: color.change(black,$blue:70);
+  c71: color.change(black,$blue:71);
+  c72: color.change(black,$blue:72);
+  c73: color.change(black,$blue:73);
+  c74: color.change(black,$blue:74);
+  c75: color.change(black,$blue:75);
+  c76: color.change(black,$blue:76);
+  c77: color.change(black,$blue:77);
+  c78: color.change(black,$blue:78);
+  c79: color.change(black,$blue:79);
+  c80: color.change(black,$blue:80);
+  c81: color.change(black,$blue:81);
+  c82: color.change(black,$blue:82);
+  c83: color.change(black,$blue:83);
+  c84: color.change(black,$blue:84);
+  c85: color.change(black,$blue:85);
+  c86: color.change(black,$blue:86);
+  c87: color.change(black,$blue:87);
+  c88: color.change(black,$blue:88);
+  c89: color.change(black,$blue:89);
+  c90: color.change(black,$blue:90);
+  c91: color.change(black,$blue:91);
+  c92: color.change(black,$blue:92);
+  c93: color.change(black,$blue:93);
+  c94: color.change(black,$blue:94);
+  c95: color.change(black,$blue:95);
+  c96: color.change(black,$blue:96);
+  c97: color.change(black,$blue:97);
+  c98: color.change(black,$blue:98);
+  c99: color.change(black,$blue:99);
+  c100: color.change(black,$blue:100);
+  c101: color.change(black,$blue:101);
+  c102: color.change(black,$blue:102);
+  c103: color.change(black,$blue:103);
+  c104: color.change(black,$blue:104);
+  c105: color.change(black,$blue:105);
+  c106: color.change(black,$blue:106);
+  c107: color.change(black,$blue:107);
+  c108: color.change(black,$blue:108);
+  c109: color.change(black,$blue:109);
+  c110: color.change(black,$blue:110);
+  c111: color.change(black,$blue:111);
+  c112: color.change(black,$blue:112);
+  c113: color.change(black,$blue:113);
+  c114: color.change(black,$blue:114);
+  c115: color.change(black,$blue:115);
+  c116: color.change(black,$blue:116);
+  c117: color.change(black,$blue:117);
+  c118: color.change(black,$blue:118);
+  c119: color.change(black,$blue:119);
+  c120: color.change(black,$blue:120);
+  c121: color.change(black,$blue:121);
+  c122: color.change(black,$blue:122);
+  c123: color.change(black,$blue:123);
+  c124: color.change(black,$blue:124);
+  c125: color.change(black,$blue:125);
+  c126: color.change(black,$blue:126);
+  c127: color.change(black,$blue:127);
+  c128: color.change(black,$blue:128);
+  c129: color.change(black,$blue:129);
+  c130: color.change(black,$blue:130);
+  c131: color.change(black,$blue:131);
+  c132: color.change(black,$blue:132);
+  c133: color.change(black,$blue:133);
+  c134: color.change(black,$blue:134);
+  c135: color.change(black,$blue:135);
+  c136: color.change(black,$blue:136);
+  c137: color.change(black,$blue:137);
+  c138: color.change(black,$blue:138);
+  c139: color.change(black,$blue:139);
+  c140: color.change(black,$blue:140);
+  c141: color.change(black,$blue:141);
+  c142: color.change(black,$blue:142);
+  c143: color.change(black,$blue:143);
+  c144: color.change(black,$blue:144);
+  c145: color.change(black,$blue:145);
+  c146: color.change(black,$blue:146);
+  c147: color.change(black,$blue:147);
+  c148: color.change(black,$blue:148);
+  c149: color.change(black,$blue:149);
+  c150: color.change(black,$blue:150);
+  c151: color.change(black,$blue:151);
+  c152: color.change(black,$blue:152);
+  c153: color.change(black,$blue:153);
+  c154: color.change(black,$blue:154);
+  c155: color.change(black,$blue:155);
+  c156: color.change(black,$blue:156);
+  c157: color.change(black,$blue:157);
+  c158: color.change(black,$blue:158);
+  c159: color.change(black,$blue:159);
+  c160: color.change(black,$blue:160);
+  c161: color.change(black,$blue:161);
+  c162: color.change(black,$blue:162);
+  c163: color.change(black,$blue:163);
+  c164: color.change(black,$blue:164);
+  c165: color.change(black,$blue:165);
+  c166: color.change(black,$blue:166);
+  c167: color.change(black,$blue:167);
+  c168: color.change(black,$blue:168);
+  c169: color.change(black,$blue:169);
+  c170: color.change(black,$blue:170);
+  c171: color.change(black,$blue:171);
+  c172: color.change(black,$blue:172);
+  c173: color.change(black,$blue:173);
+  c174: color.change(black,$blue:174);
+  c175: color.change(black,$blue:175);
+  c176: color.change(black,$blue:176);
+  c177: color.change(black,$blue:177);
+  c178: color.change(black,$blue:178);
+  c179: color.change(black,$blue:179);
+  c180: color.change(black,$blue:180);
+  c181: color.change(black,$blue:181);
+  c182: color.change(black,$blue:182);
+  c183: color.change(black,$blue:183);
+  c184: color.change(black,$blue:184);
+  c185: color.change(black,$blue:185);
+  c186: color.change(black,$blue:186);
+  c187: color.change(black,$blue:187);
+  c188: color.change(black,$blue:188);
+  c189: color.change(black,$blue:189);
+  c190: color.change(black,$blue:190);
+  c191: color.change(black,$blue:191);
+  c192: color.change(black,$blue:192);
+  c193: color.change(black,$blue:193);
+  c194: color.change(black,$blue:194);
+  c195: color.change(black,$blue:195);
+  c196: color.change(black,$blue:196);
+  c197: color.change(black,$blue:197);
+  c198: color.change(black,$blue:198);
+  c199: color.change(black,$blue:199);
+  c200: color.change(black,$blue:200);
+  c201: color.change(black,$blue:201);
+  c202: color.change(black,$blue:202);
+  c203: color.change(black,$blue:203);
+  c204: color.change(black,$blue:204);
+  c205: color.change(black,$blue:205);
+  c206: color.change(black,$blue:206);
+  c207: color.change(black,$blue:207);
+  c208: color.change(black,$blue:208);
+  c209: color.change(black,$blue:209);
+  c210: color.change(black,$blue:210);
+  c211: color.change(black,$blue:211);
+  c212: color.change(black,$blue:212);
+  c213: color.change(black,$blue:213);
+  c214: color.change(black,$blue:214);
+  c215: color.change(black,$blue:215);
+  c216: color.change(black,$blue:216);
+  c217: color.change(black,$blue:217);
+  c218: color.change(black,$blue:218);
+  c219: color.change(black,$blue:219);
+  c220: color.change(black,$blue:220);
+  c221: color.change(black,$blue:221);
+  c222: color.change(black,$blue:222);
+  c223: color.change(black,$blue:223);
+  c224: color.change(black,$blue:224);
+  c225: color.change(black,$blue:225);
+  c226: color.change(black,$blue:226);
+  c227: color.change(black,$blue:227);
+  c228: color.change(black,$blue:228);
+  c229: color.change(black,$blue:229);
+  c230: color.change(black,$blue:230);
+  c231: color.change(black,$blue:231);
+  c232: color.change(black,$blue:232);
+  c233: color.change(black,$blue:233);
+  c234: color.change(black,$blue:234);
+  c235: color.change(black,$blue:235);
+  c236: color.change(black,$blue:236);
+  c237: color.change(black,$blue:237);
+  c238: color.change(black,$blue:238);
+  c239: color.change(black,$blue:239);
+  c240: color.change(black,$blue:240);
+  c241: color.change(black,$blue:241);
+  c242: color.change(black,$blue:242);
+  c243: color.change(black,$blue:243);
+  c244: color.change(black,$blue:244);
+  c245: color.change(black,$blue:245);
+  c246: color.change(black,$blue:246);
+  c247: color.change(black,$blue:247);
+  c248: color.change(black,$blue:248);
+  c249: color.change(black,$blue:249);
+  c250: color.change(black,$blue:250);
+  c251: color.change(black,$blue:251);
+  c252: color.change(black,$blue:252);
+  c253: color.change(black,$blue:253);
+  c254: color.change(black,$blue:254);
+  c255: color.change(black,$blue:255);
   // c256: change-color(black,$blue:256);
 }
 
diff --git a/spec/libsass/color-functions/other/change-color/g.hrx b/spec/libsass/color-functions/other/change-color/g.hrx
index 203e830290..1cd0834cdf 100644
--- a/spec/libsass/color-functions/other/change-color/g.hrx
+++ b/spec/libsass/color-functions/other/change-color/g.hrx
@@ -1,262 +1,263 @@
 <===> input.scss
+@use "sass:color";
 foo {
   // c-1: change-color(black,$green:-1);
-  c0: change-color(black,$green:0);
-  c1: change-color(black,$green:1);
-  c2: change-color(black,$green:2);
-  c3: change-color(black,$green:3);
-  c4: change-color(black,$green:4);
-  c5: change-color(black,$green:5);
-  c6: change-color(black,$green:6);
-  c7: change-color(black,$green:7);
-  c8: change-color(black,$green:8);
-  c9: change-color(black,$green:9);
-  c10: change-color(black,$green:10);
-  c11: change-color(black,$green:11);
-  c12: change-color(black,$green:12);
-  c13: change-color(black,$green:13);
-  c14: change-color(black,$green:14);
-  c15: change-color(black,$green:15);
-  c16: change-color(black,$green:16);
-  c17: change-color(black,$green:17);
-  c18: change-color(black,$green:18);
-  c19: change-color(black,$green:19);
-  c20: change-color(black,$green:20);
-  c21: change-color(black,$green:21);
-  c22: change-color(black,$green:22);
-  c23: change-color(black,$green:23);
-  c24: change-color(black,$green:24);
-  c25: change-color(black,$green:25);
-  c26: change-color(black,$green:26);
-  c27: change-color(black,$green:27);
-  c28: change-color(black,$green:28);
-  c29: change-color(black,$green:29);
-  c30: change-color(black,$green:30);
-  c31: change-color(black,$green:31);
-  c32: change-color(black,$green:32);
-  c33: change-color(black,$green:33);
-  c34: change-color(black,$green:34);
-  c35: change-color(black,$green:35);
-  c36: change-color(black,$green:36);
-  c37: change-color(black,$green:37);
-  c38: change-color(black,$green:38);
-  c39: change-color(black,$green:39);
-  c40: change-color(black,$green:40);
-  c41: change-color(black,$green:41);
-  c42: change-color(black,$green:42);
-  c43: change-color(black,$green:43);
-  c44: change-color(black,$green:44);
-  c45: change-color(black,$green:45);
-  c46: change-color(black,$green:46);
-  c47: change-color(black,$green:47);
-  c48: change-color(black,$green:48);
-  c49: change-color(black,$green:49);
-  c50: change-color(black,$green:50);
-  c51: change-color(black,$green:51);
-  c52: change-color(black,$green:52);
-  c53: change-color(black,$green:53);
-  c54: change-color(black,$green:54);
-  c55: change-color(black,$green:55);
-  c56: change-color(black,$green:56);
-  c57: change-color(black,$green:57);
-  c58: change-color(black,$green:58);
-  c59: change-color(black,$green:59);
-  c60: change-color(black,$green:60);
-  c61: change-color(black,$green:61);
-  c62: change-color(black,$green:62);
-  c63: change-color(black,$green:63);
-  c64: change-color(black,$green:64);
-  c65: change-color(black,$green:65);
-  c66: change-color(black,$green:66);
-  c67: change-color(black,$green:67);
-  c68: change-color(black,$green:68);
-  c69: change-color(black,$green:69);
-  c70: change-color(black,$green:70);
-  c71: change-color(black,$green:71);
-  c72: change-color(black,$green:72);
-  c73: change-color(black,$green:73);
-  c74: change-color(black,$green:74);
-  c75: change-color(black,$green:75);
-  c76: change-color(black,$green:76);
-  c77: change-color(black,$green:77);
-  c78: change-color(black,$green:78);
-  c79: change-color(black,$green:79);
-  c80: change-color(black,$green:80);
-  c81: change-color(black,$green:81);
-  c82: change-color(black,$green:82);
-  c83: change-color(black,$green:83);
-  c84: change-color(black,$green:84);
-  c85: change-color(black,$green:85);
-  c86: change-color(black,$green:86);
-  c87: change-color(black,$green:87);
-  c88: change-color(black,$green:88);
-  c89: change-color(black,$green:89);
-  c90: change-color(black,$green:90);
-  c91: change-color(black,$green:91);
-  c92: change-color(black,$green:92);
-  c93: change-color(black,$green:93);
-  c94: change-color(black,$green:94);
-  c95: change-color(black,$green:95);
-  c96: change-color(black,$green:96);
-  c97: change-color(black,$green:97);
-  c98: change-color(black,$green:98);
-  c99: change-color(black,$green:99);
-  c100: change-color(black,$green:100);
-  c101: change-color(black,$green:101);
-  c102: change-color(black,$green:102);
-  c103: change-color(black,$green:103);
-  c104: change-color(black,$green:104);
-  c105: change-color(black,$green:105);
-  c106: change-color(black,$green:106);
-  c107: change-color(black,$green:107);
-  c108: change-color(black,$green:108);
-  c109: change-color(black,$green:109);
-  c110: change-color(black,$green:110);
-  c111: change-color(black,$green:111);
-  c112: change-color(black,$green:112);
-  c113: change-color(black,$green:113);
-  c114: change-color(black,$green:114);
-  c115: change-color(black,$green:115);
-  c116: change-color(black,$green:116);
-  c117: change-color(black,$green:117);
-  c118: change-color(black,$green:118);
-  c119: change-color(black,$green:119);
-  c120: change-color(black,$green:120);
-  c121: change-color(black,$green:121);
-  c122: change-color(black,$green:122);
-  c123: change-color(black,$green:123);
-  c124: change-color(black,$green:124);
-  c125: change-color(black,$green:125);
-  c126: change-color(black,$green:126);
-  c127: change-color(black,$green:127);
-  c128: change-color(black,$green:128);
-  c129: change-color(black,$green:129);
-  c130: change-color(black,$green:130);
-  c131: change-color(black,$green:131);
-  c132: change-color(black,$green:132);
-  c133: change-color(black,$green:133);
-  c134: change-color(black,$green:134);
-  c135: change-color(black,$green:135);
-  c136: change-color(black,$green:136);
-  c137: change-color(black,$green:137);
-  c138: change-color(black,$green:138);
-  c139: change-color(black,$green:139);
-  c140: change-color(black,$green:140);
-  c141: change-color(black,$green:141);
-  c142: change-color(black,$green:142);
-  c143: change-color(black,$green:143);
-  c144: change-color(black,$green:144);
-  c145: change-color(black,$green:145);
-  c146: change-color(black,$green:146);
-  c147: change-color(black,$green:147);
-  c148: change-color(black,$green:148);
-  c149: change-color(black,$green:149);
-  c150: change-color(black,$green:150);
-  c151: change-color(black,$green:151);
-  c152: change-color(black,$green:152);
-  c153: change-color(black,$green:153);
-  c154: change-color(black,$green:154);
-  c155: change-color(black,$green:155);
-  c156: change-color(black,$green:156);
-  c157: change-color(black,$green:157);
-  c158: change-color(black,$green:158);
-  c159: change-color(black,$green:159);
-  c160: change-color(black,$green:160);
-  c161: change-color(black,$green:161);
-  c162: change-color(black,$green:162);
-  c163: change-color(black,$green:163);
-  c164: change-color(black,$green:164);
-  c165: change-color(black,$green:165);
-  c166: change-color(black,$green:166);
-  c167: change-color(black,$green:167);
-  c168: change-color(black,$green:168);
-  c169: change-color(black,$green:169);
-  c170: change-color(black,$green:170);
-  c171: change-color(black,$green:171);
-  c172: change-color(black,$green:172);
-  c173: change-color(black,$green:173);
-  c174: change-color(black,$green:174);
-  c175: change-color(black,$green:175);
-  c176: change-color(black,$green:176);
-  c177: change-color(black,$green:177);
-  c178: change-color(black,$green:178);
-  c179: change-color(black,$green:179);
-  c180: change-color(black,$green:180);
-  c181: change-color(black,$green:181);
-  c182: change-color(black,$green:182);
-  c183: change-color(black,$green:183);
-  c184: change-color(black,$green:184);
-  c185: change-color(black,$green:185);
-  c186: change-color(black,$green:186);
-  c187: change-color(black,$green:187);
-  c188: change-color(black,$green:188);
-  c189: change-color(black,$green:189);
-  c190: change-color(black,$green:190);
-  c191: change-color(black,$green:191);
-  c192: change-color(black,$green:192);
-  c193: change-color(black,$green:193);
-  c194: change-color(black,$green:194);
-  c195: change-color(black,$green:195);
-  c196: change-color(black,$green:196);
-  c197: change-color(black,$green:197);
-  c198: change-color(black,$green:198);
-  c199: change-color(black,$green:199);
-  c200: change-color(black,$green:200);
-  c201: change-color(black,$green:201);
-  c202: change-color(black,$green:202);
-  c203: change-color(black,$green:203);
-  c204: change-color(black,$green:204);
-  c205: change-color(black,$green:205);
-  c206: change-color(black,$green:206);
-  c207: change-color(black,$green:207);
-  c208: change-color(black,$green:208);
-  c209: change-color(black,$green:209);
-  c210: change-color(black,$green:210);
-  c211: change-color(black,$green:211);
-  c212: change-color(black,$green:212);
-  c213: change-color(black,$green:213);
-  c214: change-color(black,$green:214);
-  c215: change-color(black,$green:215);
-  c216: change-color(black,$green:216);
-  c217: change-color(black,$green:217);
-  c218: change-color(black,$green:218);
-  c219: change-color(black,$green:219);
-  c220: change-color(black,$green:220);
-  c221: change-color(black,$green:221);
-  c222: change-color(black,$green:222);
-  c223: change-color(black,$green:223);
-  c224: change-color(black,$green:224);
-  c225: change-color(black,$green:225);
-  c226: change-color(black,$green:226);
-  c227: change-color(black,$green:227);
-  c228: change-color(black,$green:228);
-  c229: change-color(black,$green:229);
-  c230: change-color(black,$green:230);
-  c231: change-color(black,$green:231);
-  c232: change-color(black,$green:232);
-  c233: change-color(black,$green:233);
-  c234: change-color(black,$green:234);
-  c235: change-color(black,$green:235);
-  c236: change-color(black,$green:236);
-  c237: change-color(black,$green:237);
-  c238: change-color(black,$green:238);
-  c239: change-color(black,$green:239);
-  c240: change-color(black,$green:240);
-  c241: change-color(black,$green:241);
-  c242: change-color(black,$green:242);
-  c243: change-color(black,$green:243);
-  c244: change-color(black,$green:244);
-  c245: change-color(black,$green:245);
-  c246: change-color(black,$green:246);
-  c247: change-color(black,$green:247);
-  c248: change-color(black,$green:248);
-  c249: change-color(black,$green:249);
-  c250: change-color(black,$green:250);
-  c251: change-color(black,$green:251);
-  c252: change-color(black,$green:252);
-  c253: change-color(black,$green:253);
-  c254: change-color(black,$green:254);
-  c255: change-color(black,$green:255);
+  c0: color.change(black,$green:0);
+  c1: color.change(black,$green:1);
+  c2: color.change(black,$green:2);
+  c3: color.change(black,$green:3);
+  c4: color.change(black,$green:4);
+  c5: color.change(black,$green:5);
+  c6: color.change(black,$green:6);
+  c7: color.change(black,$green:7);
+  c8: color.change(black,$green:8);
+  c9: color.change(black,$green:9);
+  c10: color.change(black,$green:10);
+  c11: color.change(black,$green:11);
+  c12: color.change(black,$green:12);
+  c13: color.change(black,$green:13);
+  c14: color.change(black,$green:14);
+  c15: color.change(black,$green:15);
+  c16: color.change(black,$green:16);
+  c17: color.change(black,$green:17);
+  c18: color.change(black,$green:18);
+  c19: color.change(black,$green:19);
+  c20: color.change(black,$green:20);
+  c21: color.change(black,$green:21);
+  c22: color.change(black,$green:22);
+  c23: color.change(black,$green:23);
+  c24: color.change(black,$green:24);
+  c25: color.change(black,$green:25);
+  c26: color.change(black,$green:26);
+  c27: color.change(black,$green:27);
+  c28: color.change(black,$green:28);
+  c29: color.change(black,$green:29);
+  c30: color.change(black,$green:30);
+  c31: color.change(black,$green:31);
+  c32: color.change(black,$green:32);
+  c33: color.change(black,$green:33);
+  c34: color.change(black,$green:34);
+  c35: color.change(black,$green:35);
+  c36: color.change(black,$green:36);
+  c37: color.change(black,$green:37);
+  c38: color.change(black,$green:38);
+  c39: color.change(black,$green:39);
+  c40: color.change(black,$green:40);
+  c41: color.change(black,$green:41);
+  c42: color.change(black,$green:42);
+  c43: color.change(black,$green:43);
+  c44: color.change(black,$green:44);
+  c45: color.change(black,$green:45);
+  c46: color.change(black,$green:46);
+  c47: color.change(black,$green:47);
+  c48: color.change(black,$green:48);
+  c49: color.change(black,$green:49);
+  c50: color.change(black,$green:50);
+  c51: color.change(black,$green:51);
+  c52: color.change(black,$green:52);
+  c53: color.change(black,$green:53);
+  c54: color.change(black,$green:54);
+  c55: color.change(black,$green:55);
+  c56: color.change(black,$green:56);
+  c57: color.change(black,$green:57);
+  c58: color.change(black,$green:58);
+  c59: color.change(black,$green:59);
+  c60: color.change(black,$green:60);
+  c61: color.change(black,$green:61);
+  c62: color.change(black,$green:62);
+  c63: color.change(black,$green:63);
+  c64: color.change(black,$green:64);
+  c65: color.change(black,$green:65);
+  c66: color.change(black,$green:66);
+  c67: color.change(black,$green:67);
+  c68: color.change(black,$green:68);
+  c69: color.change(black,$green:69);
+  c70: color.change(black,$green:70);
+  c71: color.change(black,$green:71);
+  c72: color.change(black,$green:72);
+  c73: color.change(black,$green:73);
+  c74: color.change(black,$green:74);
+  c75: color.change(black,$green:75);
+  c76: color.change(black,$green:76);
+  c77: color.change(black,$green:77);
+  c78: color.change(black,$green:78);
+  c79: color.change(black,$green:79);
+  c80: color.change(black,$green:80);
+  c81: color.change(black,$green:81);
+  c82: color.change(black,$green:82);
+  c83: color.change(black,$green:83);
+  c84: color.change(black,$green:84);
+  c85: color.change(black,$green:85);
+  c86: color.change(black,$green:86);
+  c87: color.change(black,$green:87);
+  c88: color.change(black,$green:88);
+  c89: color.change(black,$green:89);
+  c90: color.change(black,$green:90);
+  c91: color.change(black,$green:91);
+  c92: color.change(black,$green:92);
+  c93: color.change(black,$green:93);
+  c94: color.change(black,$green:94);
+  c95: color.change(black,$green:95);
+  c96: color.change(black,$green:96);
+  c97: color.change(black,$green:97);
+  c98: color.change(black,$green:98);
+  c99: color.change(black,$green:99);
+  c100: color.change(black,$green:100);
+  c101: color.change(black,$green:101);
+  c102: color.change(black,$green:102);
+  c103: color.change(black,$green:103);
+  c104: color.change(black,$green:104);
+  c105: color.change(black,$green:105);
+  c106: color.change(black,$green:106);
+  c107: color.change(black,$green:107);
+  c108: color.change(black,$green:108);
+  c109: color.change(black,$green:109);
+  c110: color.change(black,$green:110);
+  c111: color.change(black,$green:111);
+  c112: color.change(black,$green:112);
+  c113: color.change(black,$green:113);
+  c114: color.change(black,$green:114);
+  c115: color.change(black,$green:115);
+  c116: color.change(black,$green:116);
+  c117: color.change(black,$green:117);
+  c118: color.change(black,$green:118);
+  c119: color.change(black,$green:119);
+  c120: color.change(black,$green:120);
+  c121: color.change(black,$green:121);
+  c122: color.change(black,$green:122);
+  c123: color.change(black,$green:123);
+  c124: color.change(black,$green:124);
+  c125: color.change(black,$green:125);
+  c126: color.change(black,$green:126);
+  c127: color.change(black,$green:127);
+  c128: color.change(black,$green:128);
+  c129: color.change(black,$green:129);
+  c130: color.change(black,$green:130);
+  c131: color.change(black,$green:131);
+  c132: color.change(black,$green:132);
+  c133: color.change(black,$green:133);
+  c134: color.change(black,$green:134);
+  c135: color.change(black,$green:135);
+  c136: color.change(black,$green:136);
+  c137: color.change(black,$green:137);
+  c138: color.change(black,$green:138);
+  c139: color.change(black,$green:139);
+  c140: color.change(black,$green:140);
+  c141: color.change(black,$green:141);
+  c142: color.change(black,$green:142);
+  c143: color.change(black,$green:143);
+  c144: color.change(black,$green:144);
+  c145: color.change(black,$green:145);
+  c146: color.change(black,$green:146);
+  c147: color.change(black,$green:147);
+  c148: color.change(black,$green:148);
+  c149: color.change(black,$green:149);
+  c150: color.change(black,$green:150);
+  c151: color.change(black,$green:151);
+  c152: color.change(black,$green:152);
+  c153: color.change(black,$green:153);
+  c154: color.change(black,$green:154);
+  c155: color.change(black,$green:155);
+  c156: color.change(black,$green:156);
+  c157: color.change(black,$green:157);
+  c158: color.change(black,$green:158);
+  c159: color.change(black,$green:159);
+  c160: color.change(black,$green:160);
+  c161: color.change(black,$green:161);
+  c162: color.change(black,$green:162);
+  c163: color.change(black,$green:163);
+  c164: color.change(black,$green:164);
+  c165: color.change(black,$green:165);
+  c166: color.change(black,$green:166);
+  c167: color.change(black,$green:167);
+  c168: color.change(black,$green:168);
+  c169: color.change(black,$green:169);
+  c170: color.change(black,$green:170);
+  c171: color.change(black,$green:171);
+  c172: color.change(black,$green:172);
+  c173: color.change(black,$green:173);
+  c174: color.change(black,$green:174);
+  c175: color.change(black,$green:175);
+  c176: color.change(black,$green:176);
+  c177: color.change(black,$green:177);
+  c178: color.change(black,$green:178);
+  c179: color.change(black,$green:179);
+  c180: color.change(black,$green:180);
+  c181: color.change(black,$green:181);
+  c182: color.change(black,$green:182);
+  c183: color.change(black,$green:183);
+  c184: color.change(black,$green:184);
+  c185: color.change(black,$green:185);
+  c186: color.change(black,$green:186);
+  c187: color.change(black,$green:187);
+  c188: color.change(black,$green:188);
+  c189: color.change(black,$green:189);
+  c190: color.change(black,$green:190);
+  c191: color.change(black,$green:191);
+  c192: color.change(black,$green:192);
+  c193: color.change(black,$green:193);
+  c194: color.change(black,$green:194);
+  c195: color.change(black,$green:195);
+  c196: color.change(black,$green:196);
+  c197: color.change(black,$green:197);
+  c198: color.change(black,$green:198);
+  c199: color.change(black,$green:199);
+  c200: color.change(black,$green:200);
+  c201: color.change(black,$green:201);
+  c202: color.change(black,$green:202);
+  c203: color.change(black,$green:203);
+  c204: color.change(black,$green:204);
+  c205: color.change(black,$green:205);
+  c206: color.change(black,$green:206);
+  c207: color.change(black,$green:207);
+  c208: color.change(black,$green:208);
+  c209: color.change(black,$green:209);
+  c210: color.change(black,$green:210);
+  c211: color.change(black,$green:211);
+  c212: color.change(black,$green:212);
+  c213: color.change(black,$green:213);
+  c214: color.change(black,$green:214);
+  c215: color.change(black,$green:215);
+  c216: color.change(black,$green:216);
+  c217: color.change(black,$green:217);
+  c218: color.change(black,$green:218);
+  c219: color.change(black,$green:219);
+  c220: color.change(black,$green:220);
+  c221: color.change(black,$green:221);
+  c222: color.change(black,$green:222);
+  c223: color.change(black,$green:223);
+  c224: color.change(black,$green:224);
+  c225: color.change(black,$green:225);
+  c226: color.change(black,$green:226);
+  c227: color.change(black,$green:227);
+  c228: color.change(black,$green:228);
+  c229: color.change(black,$green:229);
+  c230: color.change(black,$green:230);
+  c231: color.change(black,$green:231);
+  c232: color.change(black,$green:232);
+  c233: color.change(black,$green:233);
+  c234: color.change(black,$green:234);
+  c235: color.change(black,$green:235);
+  c236: color.change(black,$green:236);
+  c237: color.change(black,$green:237);
+  c238: color.change(black,$green:238);
+  c239: color.change(black,$green:239);
+  c240: color.change(black,$green:240);
+  c241: color.change(black,$green:241);
+  c242: color.change(black,$green:242);
+  c243: color.change(black,$green:243);
+  c244: color.change(black,$green:244);
+  c245: color.change(black,$green:245);
+  c246: color.change(black,$green:246);
+  c247: color.change(black,$green:247);
+  c248: color.change(black,$green:248);
+  c249: color.change(black,$green:249);
+  c250: color.change(black,$green:250);
+  c251: color.change(black,$green:251);
+  c252: color.change(black,$green:252);
+  c253: color.change(black,$green:253);
+  c254: color.change(black,$green:254);
+  c255: color.change(black,$green:255);
   // c256: change-color(black,$green:256);
 }
 
diff --git a/spec/libsass/color-functions/other/change-color/h.hrx b/spec/libsass/color-functions/other/change-color/h.hrx
index c13c5f14c4..a27b47e8f1 100644
--- a/spec/libsass/color-functions/other/change-color/h.hrx
+++ b/spec/libsass/color-functions/other/change-color/h.hrx
@@ -1,367 +1,368 @@
 <===> input.scss
+@use "sass:color";
 foo {
-  c-1: change-color(red,$hue:-1);
-  c0: change-color(red,$hue:0);
-  c1: change-color(red,$hue:1);
-  c2: change-color(red,$hue:2);
-  c3: change-color(red,$hue:3);
-  c4: change-color(red,$hue:4);
-  c5: change-color(red,$hue:5);
-  c6: change-color(red,$hue:6);
-  c7: change-color(red,$hue:7);
-  c8: change-color(red,$hue:8);
-  c9: change-color(red,$hue:9);
-  c10: change-color(red,$hue:10);
-  c11: change-color(red,$hue:11);
-  c12: change-color(red,$hue:12);
-  c13: change-color(red,$hue:13);
-  c14: change-color(red,$hue:14);
-  c15: change-color(red,$hue:15);
-  c16: change-color(red,$hue:16);
-  c17: change-color(red,$hue:17);
-  c18: change-color(red,$hue:18);
-  c19: change-color(red,$hue:19);
-  c20: change-color(red,$hue:20);
-  c21: change-color(red,$hue:21);
-  c22: change-color(red,$hue:22);
-  c23: change-color(red,$hue:23);
-  c24: change-color(red,$hue:24);
-  c25: change-color(red,$hue:25);
-  c26: change-color(red,$hue:26);
-  c27: change-color(red,$hue:27);
-  c28: change-color(red,$hue:28);
-  c29: change-color(red,$hue:29);
-  c30: change-color(red,$hue:30);
-  c31: change-color(red,$hue:31);
-  c32: change-color(red,$hue:32);
-  c33: change-color(red,$hue:33);
-  c34: change-color(red,$hue:34);
-  c35: change-color(red,$hue:35);
-  c36: change-color(red,$hue:36);
-  c37: change-color(red,$hue:37);
-  c38: change-color(red,$hue:38);
-  c39: change-color(red,$hue:39);
-  c40: change-color(red,$hue:40);
-  c41: change-color(red,$hue:41);
-  c42: change-color(red,$hue:42);
-  c43: change-color(red,$hue:43);
-  c44: change-color(red,$hue:44);
-  c45: change-color(red,$hue:45);
-  c46: change-color(red,$hue:46);
-  c47: change-color(red,$hue:47);
-  c48: change-color(red,$hue:48);
-  c49: change-color(red,$hue:49);
-  c50: change-color(red,$hue:50);
-  c51: change-color(red,$hue:51);
-  c52: change-color(red,$hue:52);
-  c53: change-color(red,$hue:53);
-  c54: change-color(red,$hue:54);
-  c55: change-color(red,$hue:55);
-  c56: change-color(red,$hue:56);
-  c57: change-color(red,$hue:57);
-  c58: change-color(red,$hue:58);
-  c59: change-color(red,$hue:59);
-  c60: change-color(red,$hue:60);
-  c61: change-color(red,$hue:61);
-  c62: change-color(red,$hue:62);
-  c63: change-color(red,$hue:63);
-  c64: change-color(red,$hue:64);
-  c65: change-color(red,$hue:65);
-  c66: change-color(red,$hue:66);
-  c67: change-color(red,$hue:67);
-  c68: change-color(red,$hue:68);
-  c69: change-color(red,$hue:69);
-  c70: change-color(red,$hue:70);
-  c71: change-color(red,$hue:71);
-  c72: change-color(red,$hue:72);
-  c73: change-color(red,$hue:73);
-  c74: change-color(red,$hue:74);
-  c75: change-color(red,$hue:75);
-  c76: change-color(red,$hue:76);
-  c77: change-color(red,$hue:77);
-  c78: change-color(red,$hue:78);
-  c79: change-color(red,$hue:79);
-  c80: change-color(red,$hue:80);
-  c81: change-color(red,$hue:81);
-  c82: change-color(red,$hue:82);
-  c83: change-color(red,$hue:83);
-  c84: change-color(red,$hue:84);
-  c85: change-color(red,$hue:85);
-  c86: change-color(red,$hue:86);
-  c87: change-color(red,$hue:87);
-  c88: change-color(red,$hue:88);
-  c89: change-color(red,$hue:89);
-  c90: change-color(red,$hue:90);
-  c91: change-color(red,$hue:91);
-  c92: change-color(red,$hue:92);
-  c93: change-color(red,$hue:93);
-  c94: change-color(red,$hue:94);
-  c95: change-color(red,$hue:95);
-  c96: change-color(red,$hue:96);
-  c97: change-color(red,$hue:97);
-  c98: change-color(red,$hue:98);
-  c99: change-color(red,$hue:99);
-  c100: change-color(red,$hue:100);
-  c101: change-color(red,$hue:101);
-  c102: change-color(red,$hue:102);
-  c103: change-color(red,$hue:103);
-  c104: change-color(red,$hue:104);
-  c105: change-color(red,$hue:105);
-  c106: change-color(red,$hue:106);
-  c107: change-color(red,$hue:107);
-  c108: change-color(red,$hue:108);
-  c109: change-color(red,$hue:109);
-  c110: change-color(red,$hue:110);
-  c111: change-color(red,$hue:111);
-  c112: change-color(red,$hue:112);
-  c113: change-color(red,$hue:113);
-  c114: change-color(red,$hue:114);
-  c115: change-color(red,$hue:115);
-  c116: change-color(red,$hue:116);
-  c117: change-color(red,$hue:117);
-  c118: change-color(red,$hue:118);
-  c119: change-color(red,$hue:119);
-  c120: change-color(red,$hue:120);
-  c121: change-color(red,$hue:121);
-  c122: change-color(red,$hue:122);
-  c123: change-color(red,$hue:123);
-  c124: change-color(red,$hue:124);
-  c125: change-color(red,$hue:125);
-  c126: change-color(red,$hue:126);
-  c127: change-color(red,$hue:127);
-  c128: change-color(red,$hue:128);
-  c129: change-color(red,$hue:129);
-  c130: change-color(red,$hue:130);
-  c131: change-color(red,$hue:131);
-  c132: change-color(red,$hue:132);
-  c133: change-color(red,$hue:133);
-  c134: change-color(red,$hue:134);
-  c135: change-color(red,$hue:135);
-  c136: change-color(red,$hue:136);
-  c137: change-color(red,$hue:137);
-  c138: change-color(red,$hue:138);
-  c139: change-color(red,$hue:139);
-  c140: change-color(red,$hue:140);
-  c141: change-color(red,$hue:141);
-  c142: change-color(red,$hue:142);
-  c143: change-color(red,$hue:143);
-  c144: change-color(red,$hue:144);
-  c145: change-color(red,$hue:145);
-  c146: change-color(red,$hue:146);
-  c147: change-color(red,$hue:147);
-  c148: change-color(red,$hue:148);
-  c149: change-color(red,$hue:149);
-  c150: change-color(red,$hue:150);
-  c151: change-color(red,$hue:151);
-  c152: change-color(red,$hue:152);
-  c153: change-color(red,$hue:153);
-  c154: change-color(red,$hue:154);
-  c155: change-color(red,$hue:155);
-  c156: change-color(red,$hue:156);
-  c157: change-color(red,$hue:157);
-  c158: change-color(red,$hue:158);
-  c159: change-color(red,$hue:159);
-  c160: change-color(red,$hue:160);
-  c161: change-color(red,$hue:161);
-  c162: change-color(red,$hue:162);
-  c163: change-color(red,$hue:163);
-  c164: change-color(red,$hue:164);
-  c165: change-color(red,$hue:165);
-  c166: change-color(red,$hue:166);
-  c167: change-color(red,$hue:167);
-  c168: change-color(red,$hue:168);
-  c169: change-color(red,$hue:169);
-  c170: change-color(red,$hue:170);
-  c171: change-color(red,$hue:171);
-  c172: change-color(red,$hue:172);
-  c173: change-color(red,$hue:173);
-  c174: change-color(red,$hue:174);
-  c175: change-color(red,$hue:175);
-  c176: change-color(red,$hue:176);
-  c177: change-color(red,$hue:177);
-  c178: change-color(red,$hue:178);
-  c179: change-color(red,$hue:179);
-  c180: change-color(red,$hue:180);
-  c181: change-color(red,$hue:181);
-  c182: change-color(red,$hue:182);
-  c183: change-color(red,$hue:183);
-  c184: change-color(red,$hue:184);
-  c185: change-color(red,$hue:185);
-  c186: change-color(red,$hue:186);
-  c187: change-color(red,$hue:187);
-  c188: change-color(red,$hue:188);
-  c189: change-color(red,$hue:189);
-  c190: change-color(red,$hue:190);
-  c191: change-color(red,$hue:191);
-  c192: change-color(red,$hue:192);
-  c193: change-color(red,$hue:193);
-  c194: change-color(red,$hue:194);
-  c195: change-color(red,$hue:195);
-  c196: change-color(red,$hue:196);
-  c197: change-color(red,$hue:197);
-  c198: change-color(red,$hue:198);
-  c199: change-color(red,$hue:199);
-  c200: change-color(red,$hue:200);
-  c201: change-color(red,$hue:201);
-  c202: change-color(red,$hue:202);
-  c203: change-color(red,$hue:203);
-  c204: change-color(red,$hue:204);
-  c205: change-color(red,$hue:205);
-  c206: change-color(red,$hue:206);
-  c207: change-color(red,$hue:207);
-  c208: change-color(red,$hue:208);
-  c209: change-color(red,$hue:209);
-  c210: change-color(red,$hue:210);
-  c211: change-color(red,$hue:211);
-  c212: change-color(red,$hue:212);
-  c213: change-color(red,$hue:213);
-  c214: change-color(red,$hue:214);
-  c215: change-color(red,$hue:215);
-  c216: change-color(red,$hue:216);
-  c217: change-color(red,$hue:217);
-  c218: change-color(red,$hue:218);
-  c219: change-color(red,$hue:219);
-  c220: change-color(red,$hue:220);
-  c221: change-color(red,$hue:221);
-  c222: change-color(red,$hue:222);
-  c223: change-color(red,$hue:223);
-  c224: change-color(red,$hue:224);
-  c225: change-color(red,$hue:225);
-  c226: change-color(red,$hue:226);
-  c227: change-color(red,$hue:227);
-  c228: change-color(red,$hue:228);
-  c229: change-color(red,$hue:229);
-  c230: change-color(red,$hue:230);
-  c231: change-color(red,$hue:231);
-  c232: change-color(red,$hue:232);
-  c233: change-color(red,$hue:233);
-  c234: change-color(red,$hue:234);
-  c235: change-color(red,$hue:235);
-  c236: change-color(red,$hue:236);
-  c237: change-color(red,$hue:237);
-  c238: change-color(red,$hue:238);
-  c239: change-color(red,$hue:239);
-  c240: change-color(red,$hue:240);
-  c241: change-color(red,$hue:241);
-  c242: change-color(red,$hue:242);
-  c243: change-color(red,$hue:243);
-  c244: change-color(red,$hue:244);
-  c245: change-color(red,$hue:245);
-  c246: change-color(red,$hue:246);
-  c247: change-color(red,$hue:247);
-  c248: change-color(red,$hue:248);
-  c249: change-color(red,$hue:249);
-  c250: change-color(red,$hue:250);
-  c251: change-color(red,$hue:251);
-  c252: change-color(red,$hue:252);
-  c253: change-color(red,$hue:253);
-  c254: change-color(red,$hue:254);
-  c255: change-color(red,$hue:255);
-  c256: change-color(red,$hue:256);
-  c257: change-color(red,$hue:257);
-  c258: change-color(red,$hue:258);
-  c259: change-color(red,$hue:259);
-  c260: change-color(red,$hue:260);
-  c261: change-color(red,$hue:261);
-  c262: change-color(red,$hue:262);
-  c263: change-color(red,$hue:263);
-  c264: change-color(red,$hue:264);
-  c265: change-color(red,$hue:265);
-  c266: change-color(red,$hue:266);
-  c267: change-color(red,$hue:267);
-  c268: change-color(red,$hue:268);
-  c269: change-color(red,$hue:269);
-  c270: change-color(red,$hue:270);
-  c271: change-color(red,$hue:271);
-  c272: change-color(red,$hue:272);
-  c273: change-color(red,$hue:273);
-  c274: change-color(red,$hue:274);
-  c275: change-color(red,$hue:275);
-  c276: change-color(red,$hue:276);
-  c277: change-color(red,$hue:277);
-  c278: change-color(red,$hue:278);
-  c279: change-color(red,$hue:279);
-  c280: change-color(red,$hue:280);
-  c281: change-color(red,$hue:281);
-  c282: change-color(red,$hue:282);
-  c283: change-color(red,$hue:283);
-  c284: change-color(red,$hue:284);
-  c285: change-color(red,$hue:285);
-  c286: change-color(red,$hue:286);
-  c287: change-color(red,$hue:287);
-  c288: change-color(red,$hue:288);
-  c289: change-color(red,$hue:289);
-  c290: change-color(red,$hue:290);
-  c291: change-color(red,$hue:291);
-  c292: change-color(red,$hue:292);
-  c293: change-color(red,$hue:293);
-  c294: change-color(red,$hue:294);
-  c295: change-color(red,$hue:295);
-  c296: change-color(red,$hue:296);
-  c297: change-color(red,$hue:297);
-  c298: change-color(red,$hue:298);
-  c299: change-color(red,$hue:299);
-  c300: change-color(red,$hue:300);
-  c301: change-color(red,$hue:301);
-  c302: change-color(red,$hue:302);
-  c303: change-color(red,$hue:303);
-  c304: change-color(red,$hue:304);
-  c305: change-color(red,$hue:305);
-  c306: change-color(red,$hue:306);
-  c307: change-color(red,$hue:307);
-  c308: change-color(red,$hue:308);
-  c309: change-color(red,$hue:309);
-  c310: change-color(red,$hue:310);
-  c311: change-color(red,$hue:311);
-  c312: change-color(red,$hue:312);
-  c313: change-color(red,$hue:313);
-  c314: change-color(red,$hue:314);
-  c315: change-color(red,$hue:315);
-  c316: change-color(red,$hue:316);
-  c317: change-color(red,$hue:317);
-  c318: change-color(red,$hue:318);
-  c319: change-color(red,$hue:319);
-  c320: change-color(red,$hue:320);
-  c321: change-color(red,$hue:321);
-  c322: change-color(red,$hue:322);
-  c323: change-color(red,$hue:323);
-  c324: change-color(red,$hue:324);
-  c325: change-color(red,$hue:325);
-  c326: change-color(red,$hue:326);
-  c327: change-color(red,$hue:327);
-  c328: change-color(red,$hue:328);
-  c329: change-color(red,$hue:329);
-  c330: change-color(red,$hue:330);
-  c331: change-color(red,$hue:331);
-  c332: change-color(red,$hue:332);
-  c333: change-color(red,$hue:333);
-  c334: change-color(red,$hue:334);
-  c335: change-color(red,$hue:335);
-  c336: change-color(red,$hue:336);
-  c337: change-color(red,$hue:337);
-  c338: change-color(red,$hue:338);
-  c339: change-color(red,$hue:339);
-  c340: change-color(red,$hue:340);
-  c341: change-color(red,$hue:341);
-  c342: change-color(red,$hue:342);
-  c343: change-color(red,$hue:343);
-  c344: change-color(red,$hue:344);
-  c345: change-color(red,$hue:345);
-  c346: change-color(red,$hue:346);
-  c347: change-color(red,$hue:347);
-  c348: change-color(red,$hue:348);
-  c349: change-color(red,$hue:349);
-  c350: change-color(red,$hue:350);
-  c351: change-color(red,$hue:351);
-  c352: change-color(red,$hue:352);
-  c353: change-color(red,$hue:353);
-  c354: change-color(red,$hue:354);
-  c355: change-color(red,$hue:355);
-  c356: change-color(red,$hue:356);
-  c357: change-color(red,$hue:357);
-  c358: change-color(red,$hue:358);
-  c359: change-color(red,$hue:359);
-  c360: change-color(red,$hue:360);
+  c-1: color.change(red,$hue:-1);
+  c0: color.change(red,$hue:0);
+  c1: color.change(red,$hue:1);
+  c2: color.change(red,$hue:2);
+  c3: color.change(red,$hue:3);
+  c4: color.change(red,$hue:4);
+  c5: color.change(red,$hue:5);
+  c6: color.change(red,$hue:6);
+  c7: color.change(red,$hue:7);
+  c8: color.change(red,$hue:8);
+  c9: color.change(red,$hue:9);
+  c10: color.change(red,$hue:10);
+  c11: color.change(red,$hue:11);
+  c12: color.change(red,$hue:12);
+  c13: color.change(red,$hue:13);
+  c14: color.change(red,$hue:14);
+  c15: color.change(red,$hue:15);
+  c16: color.change(red,$hue:16);
+  c17: color.change(red,$hue:17);
+  c18: color.change(red,$hue:18);
+  c19: color.change(red,$hue:19);
+  c20: color.change(red,$hue:20);
+  c21: color.change(red,$hue:21);
+  c22: color.change(red,$hue:22);
+  c23: color.change(red,$hue:23);
+  c24: color.change(red,$hue:24);
+  c25: color.change(red,$hue:25);
+  c26: color.change(red,$hue:26);
+  c27: color.change(red,$hue:27);
+  c28: color.change(red,$hue:28);
+  c29: color.change(red,$hue:29);
+  c30: color.change(red,$hue:30);
+  c31: color.change(red,$hue:31);
+  c32: color.change(red,$hue:32);
+  c33: color.change(red,$hue:33);
+  c34: color.change(red,$hue:34);
+  c35: color.change(red,$hue:35);
+  c36: color.change(red,$hue:36);
+  c37: color.change(red,$hue:37);
+  c38: color.change(red,$hue:38);
+  c39: color.change(red,$hue:39);
+  c40: color.change(red,$hue:40);
+  c41: color.change(red,$hue:41);
+  c42: color.change(red,$hue:42);
+  c43: color.change(red,$hue:43);
+  c44: color.change(red,$hue:44);
+  c45: color.change(red,$hue:45);
+  c46: color.change(red,$hue:46);
+  c47: color.change(red,$hue:47);
+  c48: color.change(red,$hue:48);
+  c49: color.change(red,$hue:49);
+  c50: color.change(red,$hue:50);
+  c51: color.change(red,$hue:51);
+  c52: color.change(red,$hue:52);
+  c53: color.change(red,$hue:53);
+  c54: color.change(red,$hue:54);
+  c55: color.change(red,$hue:55);
+  c56: color.change(red,$hue:56);
+  c57: color.change(red,$hue:57);
+  c58: color.change(red,$hue:58);
+  c59: color.change(red,$hue:59);
+  c60: color.change(red,$hue:60);
+  c61: color.change(red,$hue:61);
+  c62: color.change(red,$hue:62);
+  c63: color.change(red,$hue:63);
+  c64: color.change(red,$hue:64);
+  c65: color.change(red,$hue:65);
+  c66: color.change(red,$hue:66);
+  c67: color.change(red,$hue:67);
+  c68: color.change(red,$hue:68);
+  c69: color.change(red,$hue:69);
+  c70: color.change(red,$hue:70);
+  c71: color.change(red,$hue:71);
+  c72: color.change(red,$hue:72);
+  c73: color.change(red,$hue:73);
+  c74: color.change(red,$hue:74);
+  c75: color.change(red,$hue:75);
+  c76: color.change(red,$hue:76);
+  c77: color.change(red,$hue:77);
+  c78: color.change(red,$hue:78);
+  c79: color.change(red,$hue:79);
+  c80: color.change(red,$hue:80);
+  c81: color.change(red,$hue:81);
+  c82: color.change(red,$hue:82);
+  c83: color.change(red,$hue:83);
+  c84: color.change(red,$hue:84);
+  c85: color.change(red,$hue:85);
+  c86: color.change(red,$hue:86);
+  c87: color.change(red,$hue:87);
+  c88: color.change(red,$hue:88);
+  c89: color.change(red,$hue:89);
+  c90: color.change(red,$hue:90);
+  c91: color.change(red,$hue:91);
+  c92: color.change(red,$hue:92);
+  c93: color.change(red,$hue:93);
+  c94: color.change(red,$hue:94);
+  c95: color.change(red,$hue:95);
+  c96: color.change(red,$hue:96);
+  c97: color.change(red,$hue:97);
+  c98: color.change(red,$hue:98);
+  c99: color.change(red,$hue:99);
+  c100: color.change(red,$hue:100);
+  c101: color.change(red,$hue:101);
+  c102: color.change(red,$hue:102);
+  c103: color.change(red,$hue:103);
+  c104: color.change(red,$hue:104);
+  c105: color.change(red,$hue:105);
+  c106: color.change(red,$hue:106);
+  c107: color.change(red,$hue:107);
+  c108: color.change(red,$hue:108);
+  c109: color.change(red,$hue:109);
+  c110: color.change(red,$hue:110);
+  c111: color.change(red,$hue:111);
+  c112: color.change(red,$hue:112);
+  c113: color.change(red,$hue:113);
+  c114: color.change(red,$hue:114);
+  c115: color.change(red,$hue:115);
+  c116: color.change(red,$hue:116);
+  c117: color.change(red,$hue:117);
+  c118: color.change(red,$hue:118);
+  c119: color.change(red,$hue:119);
+  c120: color.change(red,$hue:120);
+  c121: color.change(red,$hue:121);
+  c122: color.change(red,$hue:122);
+  c123: color.change(red,$hue:123);
+  c124: color.change(red,$hue:124);
+  c125: color.change(red,$hue:125);
+  c126: color.change(red,$hue:126);
+  c127: color.change(red,$hue:127);
+  c128: color.change(red,$hue:128);
+  c129: color.change(red,$hue:129);
+  c130: color.change(red,$hue:130);
+  c131: color.change(red,$hue:131);
+  c132: color.change(red,$hue:132);
+  c133: color.change(red,$hue:133);
+  c134: color.change(red,$hue:134);
+  c135: color.change(red,$hue:135);
+  c136: color.change(red,$hue:136);
+  c137: color.change(red,$hue:137);
+  c138: color.change(red,$hue:138);
+  c139: color.change(red,$hue:139);
+  c140: color.change(red,$hue:140);
+  c141: color.change(red,$hue:141);
+  c142: color.change(red,$hue:142);
+  c143: color.change(red,$hue:143);
+  c144: color.change(red,$hue:144);
+  c145: color.change(red,$hue:145);
+  c146: color.change(red,$hue:146);
+  c147: color.change(red,$hue:147);
+  c148: color.change(red,$hue:148);
+  c149: color.change(red,$hue:149);
+  c150: color.change(red,$hue:150);
+  c151: color.change(red,$hue:151);
+  c152: color.change(red,$hue:152);
+  c153: color.change(red,$hue:153);
+  c154: color.change(red,$hue:154);
+  c155: color.change(red,$hue:155);
+  c156: color.change(red,$hue:156);
+  c157: color.change(red,$hue:157);
+  c158: color.change(red,$hue:158);
+  c159: color.change(red,$hue:159);
+  c160: color.change(red,$hue:160);
+  c161: color.change(red,$hue:161);
+  c162: color.change(red,$hue:162);
+  c163: color.change(red,$hue:163);
+  c164: color.change(red,$hue:164);
+  c165: color.change(red,$hue:165);
+  c166: color.change(red,$hue:166);
+  c167: color.change(red,$hue:167);
+  c168: color.change(red,$hue:168);
+  c169: color.change(red,$hue:169);
+  c170: color.change(red,$hue:170);
+  c171: color.change(red,$hue:171);
+  c172: color.change(red,$hue:172);
+  c173: color.change(red,$hue:173);
+  c174: color.change(red,$hue:174);
+  c175: color.change(red,$hue:175);
+  c176: color.change(red,$hue:176);
+  c177: color.change(red,$hue:177);
+  c178: color.change(red,$hue:178);
+  c179: color.change(red,$hue:179);
+  c180: color.change(red,$hue:180);
+  c181: color.change(red,$hue:181);
+  c182: color.change(red,$hue:182);
+  c183: color.change(red,$hue:183);
+  c184: color.change(red,$hue:184);
+  c185: color.change(red,$hue:185);
+  c186: color.change(red,$hue:186);
+  c187: color.change(red,$hue:187);
+  c188: color.change(red,$hue:188);
+  c189: color.change(red,$hue:189);
+  c190: color.change(red,$hue:190);
+  c191: color.change(red,$hue:191);
+  c192: color.change(red,$hue:192);
+  c193: color.change(red,$hue:193);
+  c194: color.change(red,$hue:194);
+  c195: color.change(red,$hue:195);
+  c196: color.change(red,$hue:196);
+  c197: color.change(red,$hue:197);
+  c198: color.change(red,$hue:198);
+  c199: color.change(red,$hue:199);
+  c200: color.change(red,$hue:200);
+  c201: color.change(red,$hue:201);
+  c202: color.change(red,$hue:202);
+  c203: color.change(red,$hue:203);
+  c204: color.change(red,$hue:204);
+  c205: color.change(red,$hue:205);
+  c206: color.change(red,$hue:206);
+  c207: color.change(red,$hue:207);
+  c208: color.change(red,$hue:208);
+  c209: color.change(red,$hue:209);
+  c210: color.change(red,$hue:210);
+  c211: color.change(red,$hue:211);
+  c212: color.change(red,$hue:212);
+  c213: color.change(red,$hue:213);
+  c214: color.change(red,$hue:214);
+  c215: color.change(red,$hue:215);
+  c216: color.change(red,$hue:216);
+  c217: color.change(red,$hue:217);
+  c218: color.change(red,$hue:218);
+  c219: color.change(red,$hue:219);
+  c220: color.change(red,$hue:220);
+  c221: color.change(red,$hue:221);
+  c222: color.change(red,$hue:222);
+  c223: color.change(red,$hue:223);
+  c224: color.change(red,$hue:224);
+  c225: color.change(red,$hue:225);
+  c226: color.change(red,$hue:226);
+  c227: color.change(red,$hue:227);
+  c228: color.change(red,$hue:228);
+  c229: color.change(red,$hue:229);
+  c230: color.change(red,$hue:230);
+  c231: color.change(red,$hue:231);
+  c232: color.change(red,$hue:232);
+  c233: color.change(red,$hue:233);
+  c234: color.change(red,$hue:234);
+  c235: color.change(red,$hue:235);
+  c236: color.change(red,$hue:236);
+  c237: color.change(red,$hue:237);
+  c238: color.change(red,$hue:238);
+  c239: color.change(red,$hue:239);
+  c240: color.change(red,$hue:240);
+  c241: color.change(red,$hue:241);
+  c242: color.change(red,$hue:242);
+  c243: color.change(red,$hue:243);
+  c244: color.change(red,$hue:244);
+  c245: color.change(red,$hue:245);
+  c246: color.change(red,$hue:246);
+  c247: color.change(red,$hue:247);
+  c248: color.change(red,$hue:248);
+  c249: color.change(red,$hue:249);
+  c250: color.change(red,$hue:250);
+  c251: color.change(red,$hue:251);
+  c252: color.change(red,$hue:252);
+  c253: color.change(red,$hue:253);
+  c254: color.change(red,$hue:254);
+  c255: color.change(red,$hue:255);
+  c256: color.change(red,$hue:256);
+  c257: color.change(red,$hue:257);
+  c258: color.change(red,$hue:258);
+  c259: color.change(red,$hue:259);
+  c260: color.change(red,$hue:260);
+  c261: color.change(red,$hue:261);
+  c262: color.change(red,$hue:262);
+  c263: color.change(red,$hue:263);
+  c264: color.change(red,$hue:264);
+  c265: color.change(red,$hue:265);
+  c266: color.change(red,$hue:266);
+  c267: color.change(red,$hue:267);
+  c268: color.change(red,$hue:268);
+  c269: color.change(red,$hue:269);
+  c270: color.change(red,$hue:270);
+  c271: color.change(red,$hue:271);
+  c272: color.change(red,$hue:272);
+  c273: color.change(red,$hue:273);
+  c274: color.change(red,$hue:274);
+  c275: color.change(red,$hue:275);
+  c276: color.change(red,$hue:276);
+  c277: color.change(red,$hue:277);
+  c278: color.change(red,$hue:278);
+  c279: color.change(red,$hue:279);
+  c280: color.change(red,$hue:280);
+  c281: color.change(red,$hue:281);
+  c282: color.change(red,$hue:282);
+  c283: color.change(red,$hue:283);
+  c284: color.change(red,$hue:284);
+  c285: color.change(red,$hue:285);
+  c286: color.change(red,$hue:286);
+  c287: color.change(red,$hue:287);
+  c288: color.change(red,$hue:288);
+  c289: color.change(red,$hue:289);
+  c290: color.change(red,$hue:290);
+  c291: color.change(red,$hue:291);
+  c292: color.change(red,$hue:292);
+  c293: color.change(red,$hue:293);
+  c294: color.change(red,$hue:294);
+  c295: color.change(red,$hue:295);
+  c296: color.change(red,$hue:296);
+  c297: color.change(red,$hue:297);
+  c298: color.change(red,$hue:298);
+  c299: color.change(red,$hue:299);
+  c300: color.change(red,$hue:300);
+  c301: color.change(red,$hue:301);
+  c302: color.change(red,$hue:302);
+  c303: color.change(red,$hue:303);
+  c304: color.change(red,$hue:304);
+  c305: color.change(red,$hue:305);
+  c306: color.change(red,$hue:306);
+  c307: color.change(red,$hue:307);
+  c308: color.change(red,$hue:308);
+  c309: color.change(red,$hue:309);
+  c310: color.change(red,$hue:310);
+  c311: color.change(red,$hue:311);
+  c312: color.change(red,$hue:312);
+  c313: color.change(red,$hue:313);
+  c314: color.change(red,$hue:314);
+  c315: color.change(red,$hue:315);
+  c316: color.change(red,$hue:316);
+  c317: color.change(red,$hue:317);
+  c318: color.change(red,$hue:318);
+  c319: color.change(red,$hue:319);
+  c320: color.change(red,$hue:320);
+  c321: color.change(red,$hue:321);
+  c322: color.change(red,$hue:322);
+  c323: color.change(red,$hue:323);
+  c324: color.change(red,$hue:324);
+  c325: color.change(red,$hue:325);
+  c326: color.change(red,$hue:326);
+  c327: color.change(red,$hue:327);
+  c328: color.change(red,$hue:328);
+  c329: color.change(red,$hue:329);
+  c330: color.change(red,$hue:330);
+  c331: color.change(red,$hue:331);
+  c332: color.change(red,$hue:332);
+  c333: color.change(red,$hue:333);
+  c334: color.change(red,$hue:334);
+  c335: color.change(red,$hue:335);
+  c336: color.change(red,$hue:336);
+  c337: color.change(red,$hue:337);
+  c338: color.change(red,$hue:338);
+  c339: color.change(red,$hue:339);
+  c340: color.change(red,$hue:340);
+  c341: color.change(red,$hue:341);
+  c342: color.change(red,$hue:342);
+  c343: color.change(red,$hue:343);
+  c344: color.change(red,$hue:344);
+  c345: color.change(red,$hue:345);
+  c346: color.change(red,$hue:346);
+  c347: color.change(red,$hue:347);
+  c348: color.change(red,$hue:348);
+  c349: color.change(red,$hue:349);
+  c350: color.change(red,$hue:350);
+  c351: color.change(red,$hue:351);
+  c352: color.change(red,$hue:352);
+  c353: color.change(red,$hue:353);
+  c354: color.change(red,$hue:354);
+  c355: color.change(red,$hue:355);
+  c356: color.change(red,$hue:356);
+  c357: color.change(red,$hue:357);
+  c358: color.change(red,$hue:358);
+  c359: color.change(red,$hue:359);
+  c360: color.change(red,$hue:360);
 }
 
 <===> output.css
diff --git a/spec/libsass/color-functions/other/change-color/l.hrx b/spec/libsass/color-functions/other/change-color/l.hrx
index 445bc6b558..91cb56c512 100644
--- a/spec/libsass/color-functions/other/change-color/l.hrx
+++ b/spec/libsass/color-functions/other/change-color/l.hrx
@@ -1,106 +1,107 @@
 <===> input.scss
+@use "sass:color";
 foo {
   // c-1: change-color(red,$lightness:-1%);
-  c0: change-color(red,$lightness:0%);
-  c1: change-color(red,$lightness:1%);
-  c2: change-color(red,$lightness:2%);
-  c3: change-color(red,$lightness:3%);
-  c4: change-color(red,$lightness:4%);
-  c5: change-color(red,$lightness:5%);
-  c6: change-color(red,$lightness:6%);
-  c7: change-color(red,$lightness:7%);
-  c8: change-color(red,$lightness:8%);
-  c9: change-color(red,$lightness:9%);
-  c10: change-color(red,$lightness:10%);
-  c11: change-color(red,$lightness:11%);
-  c12: change-color(red,$lightness:12%);
-  c13: change-color(red,$lightness:13%);
-  c14: change-color(red,$lightness:14%);
-  c15: change-color(red,$lightness:15%);
-  c16: change-color(red,$lightness:16%);
-  c17: change-color(red,$lightness:17%);
-  c18: change-color(red,$lightness:18%);
-  c19: change-color(red,$lightness:19%);
-  c20: change-color(red,$lightness:20%);
-  c21: change-color(red,$lightness:21%);
-  c22: change-color(red,$lightness:22%);
-  c23: change-color(red,$lightness:23%);
-  c24: change-color(red,$lightness:24%);
-  c25: change-color(red,$lightness:25%);
-  c26: change-color(red,$lightness:26%);
-  c27: change-color(red,$lightness:27%);
-  c28: change-color(red,$lightness:28%);
-  c29: change-color(red,$lightness:29%);
-  c30: change-color(red,$lightness:30%);
-  c31: change-color(red,$lightness:31%);
-  c32: change-color(red,$lightness:32%);
-  c33: change-color(red,$lightness:33%);
-  c34: change-color(red,$lightness:34%);
-  c35: change-color(red,$lightness:35%);
-  c36: change-color(red,$lightness:36%);
-  c37: change-color(red,$lightness:37%);
-  c38: change-color(red,$lightness:38%);
-  c39: change-color(red,$lightness:39%);
-  c40: change-color(red,$lightness:40%);
-  c41: change-color(red,$lightness:41%);
-  c42: change-color(red,$lightness:42%);
-  c43: change-color(red,$lightness:43%);
-  c44: change-color(red,$lightness:44%);
-  c45: change-color(red,$lightness:45%);
-  c46: change-color(red,$lightness:46%);
-  c47: change-color(red,$lightness:47%);
-  c48: change-color(red,$lightness:48%);
-  c49: change-color(red,$lightness:49%);
-  c50: change-color(red,$lightness:50%);
-  c51: change-color(red,$lightness:51%);
-  c52: change-color(red,$lightness:52%);
-  c53: change-color(red,$lightness:53%);
-  c54: change-color(red,$lightness:54%);
-  c55: change-color(red,$lightness:55%);
-  c56: change-color(red,$lightness:56%);
-  c57: change-color(red,$lightness:57%);
-  c58: change-color(red,$lightness:58%);
-  c59: change-color(red,$lightness:59%);
-  c60: change-color(red,$lightness:60%);
-  c61: change-color(red,$lightness:61%);
-  c62: change-color(red,$lightness:62%);
-  c63: change-color(red,$lightness:63%);
-  c64: change-color(red,$lightness:64%);
-  c65: change-color(red,$lightness:65%);
-  c66: change-color(red,$lightness:66%);
-  c67: change-color(red,$lightness:67%);
-  c68: change-color(red,$lightness:68%);
-  c69: change-color(red,$lightness:69%);
-  c70: change-color(red,$lightness:70%);
-  c71: change-color(red,$lightness:71%);
-  c72: change-color(red,$lightness:72%);
-  c73: change-color(red,$lightness:73%);
-  c74: change-color(red,$lightness:74%);
-  c75: change-color(red,$lightness:75%);
-  c76: change-color(red,$lightness:76%);
-  c77: change-color(red,$lightness:77%);
-  c78: change-color(red,$lightness:78%);
-  c79: change-color(red,$lightness:79%);
-  c80: change-color(red,$lightness:80%);
-  c81: change-color(red,$lightness:81%);
-  c82: change-color(red,$lightness:82%);
-  c83: change-color(red,$lightness:83%);
-  c84: change-color(red,$lightness:84%);
-  c85: change-color(red,$lightness:85%);
-  c86: change-color(red,$lightness:86%);
-  c87: change-color(red,$lightness:87%);
-  c88: change-color(red,$lightness:88%);
-  c89: change-color(red,$lightness:89%);
-  c90: change-color(red,$lightness:90%);
-  c91: change-color(red,$lightness:91%);
-  c92: change-color(red,$lightness:92%);
-  c93: change-color(red,$lightness:93%);
-  c94: change-color(red,$lightness:94%);
-  c95: change-color(red,$lightness:95%);
-  c96: change-color(red,$lightness:96%);
-  c97: change-color(red,$lightness:97%);
-  c98: change-color(red,$lightness:98%);
-  c99: change-color(red,$lightness:99%);
+  c0: color.change(red,$lightness:0%);
+  c1: color.change(red,$lightness:1%);
+  c2: color.change(red,$lightness:2%);
+  c3: color.change(red,$lightness:3%);
+  c4: color.change(red,$lightness:4%);
+  c5: color.change(red,$lightness:5%);
+  c6: color.change(red,$lightness:6%);
+  c7: color.change(red,$lightness:7%);
+  c8: color.change(red,$lightness:8%);
+  c9: color.change(red,$lightness:9%);
+  c10: color.change(red,$lightness:10%);
+  c11: color.change(red,$lightness:11%);
+  c12: color.change(red,$lightness:12%);
+  c13: color.change(red,$lightness:13%);
+  c14: color.change(red,$lightness:14%);
+  c15: color.change(red,$lightness:15%);
+  c16: color.change(red,$lightness:16%);
+  c17: color.change(red,$lightness:17%);
+  c18: color.change(red,$lightness:18%);
+  c19: color.change(red,$lightness:19%);
+  c20: color.change(red,$lightness:20%);
+  c21: color.change(red,$lightness:21%);
+  c22: color.change(red,$lightness:22%);
+  c23: color.change(red,$lightness:23%);
+  c24: color.change(red,$lightness:24%);
+  c25: color.change(red,$lightness:25%);
+  c26: color.change(red,$lightness:26%);
+  c27: color.change(red,$lightness:27%);
+  c28: color.change(red,$lightness:28%);
+  c29: color.change(red,$lightness:29%);
+  c30: color.change(red,$lightness:30%);
+  c31: color.change(red,$lightness:31%);
+  c32: color.change(red,$lightness:32%);
+  c33: color.change(red,$lightness:33%);
+  c34: color.change(red,$lightness:34%);
+  c35: color.change(red,$lightness:35%);
+  c36: color.change(red,$lightness:36%);
+  c37: color.change(red,$lightness:37%);
+  c38: color.change(red,$lightness:38%);
+  c39: color.change(red,$lightness:39%);
+  c40: color.change(red,$lightness:40%);
+  c41: color.change(red,$lightness:41%);
+  c42: color.change(red,$lightness:42%);
+  c43: color.change(red,$lightness:43%);
+  c44: color.change(red,$lightness:44%);
+  c45: color.change(red,$lightness:45%);
+  c46: color.change(red,$lightness:46%);
+  c47: color.change(red,$lightness:47%);
+  c48: color.change(red,$lightness:48%);
+  c49: color.change(red,$lightness:49%);
+  c50: color.change(red,$lightness:50%);
+  c51: color.change(red,$lightness:51%);
+  c52: color.change(red,$lightness:52%);
+  c53: color.change(red,$lightness:53%);
+  c54: color.change(red,$lightness:54%);
+  c55: color.change(red,$lightness:55%);
+  c56: color.change(red,$lightness:56%);
+  c57: color.change(red,$lightness:57%);
+  c58: color.change(red,$lightness:58%);
+  c59: color.change(red,$lightness:59%);
+  c60: color.change(red,$lightness:60%);
+  c61: color.change(red,$lightness:61%);
+  c62: color.change(red,$lightness:62%);
+  c63: color.change(red,$lightness:63%);
+  c64: color.change(red,$lightness:64%);
+  c65: color.change(red,$lightness:65%);
+  c66: color.change(red,$lightness:66%);
+  c67: color.change(red,$lightness:67%);
+  c68: color.change(red,$lightness:68%);
+  c69: color.change(red,$lightness:69%);
+  c70: color.change(red,$lightness:70%);
+  c71: color.change(red,$lightness:71%);
+  c72: color.change(red,$lightness:72%);
+  c73: color.change(red,$lightness:73%);
+  c74: color.change(red,$lightness:74%);
+  c75: color.change(red,$lightness:75%);
+  c76: color.change(red,$lightness:76%);
+  c77: color.change(red,$lightness:77%);
+  c78: color.change(red,$lightness:78%);
+  c79: color.change(red,$lightness:79%);
+  c80: color.change(red,$lightness:80%);
+  c81: color.change(red,$lightness:81%);
+  c82: color.change(red,$lightness:82%);
+  c83: color.change(red,$lightness:83%);
+  c84: color.change(red,$lightness:84%);
+  c85: color.change(red,$lightness:85%);
+  c86: color.change(red,$lightness:86%);
+  c87: color.change(red,$lightness:87%);
+  c88: color.change(red,$lightness:88%);
+  c89: color.change(red,$lightness:89%);
+  c90: color.change(red,$lightness:90%);
+  c91: color.change(red,$lightness:91%);
+  c92: color.change(red,$lightness:92%);
+  c93: color.change(red,$lightness:93%);
+  c94: color.change(red,$lightness:94%);
+  c95: color.change(red,$lightness:95%);
+  c96: color.change(red,$lightness:96%);
+  c97: color.change(red,$lightness:97%);
+  c98: color.change(red,$lightness:98%);
+  c99: color.change(red,$lightness:99%);
   // c100: change-color(red,$lightness:100%);
 }
 
diff --git a/spec/libsass/color-functions/other/change-color/r.hrx b/spec/libsass/color-functions/other/change-color/r.hrx
index e9c8284b7f..f31685afa9 100644
--- a/spec/libsass/color-functions/other/change-color/r.hrx
+++ b/spec/libsass/color-functions/other/change-color/r.hrx
@@ -1,262 +1,263 @@
 <===> input.scss
+@use "sass:color";
 foo {
   // c-1: change-color(black,$red:-1);
-  c0: change-color(black,$red:0);
-  c1: change-color(black,$red:1);
-  c2: change-color(black,$red:2);
-  c3: change-color(black,$red:3);
-  c4: change-color(black,$red:4);
-  c5: change-color(black,$red:5);
-  c6: change-color(black,$red:6);
-  c7: change-color(black,$red:7);
-  c8: change-color(black,$red:8);
-  c9: change-color(black,$red:9);
-  c10: change-color(black,$red:10);
-  c11: change-color(black,$red:11);
-  c12: change-color(black,$red:12);
-  c13: change-color(black,$red:13);
-  c14: change-color(black,$red:14);
-  c15: change-color(black,$red:15);
-  c16: change-color(black,$red:16);
-  c17: change-color(black,$red:17);
-  c18: change-color(black,$red:18);
-  c19: change-color(black,$red:19);
-  c20: change-color(black,$red:20);
-  c21: change-color(black,$red:21);
-  c22: change-color(black,$red:22);
-  c23: change-color(black,$red:23);
-  c24: change-color(black,$red:24);
-  c25: change-color(black,$red:25);
-  c26: change-color(black,$red:26);
-  c27: change-color(black,$red:27);
-  c28: change-color(black,$red:28);
-  c29: change-color(black,$red:29);
-  c30: change-color(black,$red:30);
-  c31: change-color(black,$red:31);
-  c32: change-color(black,$red:32);
-  c33: change-color(black,$red:33);
-  c34: change-color(black,$red:34);
-  c35: change-color(black,$red:35);
-  c36: change-color(black,$red:36);
-  c37: change-color(black,$red:37);
-  c38: change-color(black,$red:38);
-  c39: change-color(black,$red:39);
-  c40: change-color(black,$red:40);
-  c41: change-color(black,$red:41);
-  c42: change-color(black,$red:42);
-  c43: change-color(black,$red:43);
-  c44: change-color(black,$red:44);
-  c45: change-color(black,$red:45);
-  c46: change-color(black,$red:46);
-  c47: change-color(black,$red:47);
-  c48: change-color(black,$red:48);
-  c49: change-color(black,$red:49);
-  c50: change-color(black,$red:50);
-  c51: change-color(black,$red:51);
-  c52: change-color(black,$red:52);
-  c53: change-color(black,$red:53);
-  c54: change-color(black,$red:54);
-  c55: change-color(black,$red:55);
-  c56: change-color(black,$red:56);
-  c57: change-color(black,$red:57);
-  c58: change-color(black,$red:58);
-  c59: change-color(black,$red:59);
-  c60: change-color(black,$red:60);
-  c61: change-color(black,$red:61);
-  c62: change-color(black,$red:62);
-  c63: change-color(black,$red:63);
-  c64: change-color(black,$red:64);
-  c65: change-color(black,$red:65);
-  c66: change-color(black,$red:66);
-  c67: change-color(black,$red:67);
-  c68: change-color(black,$red:68);
-  c69: change-color(black,$red:69);
-  c70: change-color(black,$red:70);
-  c71: change-color(black,$red:71);
-  c72: change-color(black,$red:72);
-  c73: change-color(black,$red:73);
-  c74: change-color(black,$red:74);
-  c75: change-color(black,$red:75);
-  c76: change-color(black,$red:76);
-  c77: change-color(black,$red:77);
-  c78: change-color(black,$red:78);
-  c79: change-color(black,$red:79);
-  c80: change-color(black,$red:80);
-  c81: change-color(black,$red:81);
-  c82: change-color(black,$red:82);
-  c83: change-color(black,$red:83);
-  c84: change-color(black,$red:84);
-  c85: change-color(black,$red:85);
-  c86: change-color(black,$red:86);
-  c87: change-color(black,$red:87);
-  c88: change-color(black,$red:88);
-  c89: change-color(black,$red:89);
-  c90: change-color(black,$red:90);
-  c91: change-color(black,$red:91);
-  c92: change-color(black,$red:92);
-  c93: change-color(black,$red:93);
-  c94: change-color(black,$red:94);
-  c95: change-color(black,$red:95);
-  c96: change-color(black,$red:96);
-  c97: change-color(black,$red:97);
-  c98: change-color(black,$red:98);
-  c99: change-color(black,$red:99);
-  c100: change-color(black,$red:100);
-  c101: change-color(black,$red:101);
-  c102: change-color(black,$red:102);
-  c103: change-color(black,$red:103);
-  c104: change-color(black,$red:104);
-  c105: change-color(black,$red:105);
-  c106: change-color(black,$red:106);
-  c107: change-color(black,$red:107);
-  c108: change-color(black,$red:108);
-  c109: change-color(black,$red:109);
-  c110: change-color(black,$red:110);
-  c111: change-color(black,$red:111);
-  c112: change-color(black,$red:112);
-  c113: change-color(black,$red:113);
-  c114: change-color(black,$red:114);
-  c115: change-color(black,$red:115);
-  c116: change-color(black,$red:116);
-  c117: change-color(black,$red:117);
-  c118: change-color(black,$red:118);
-  c119: change-color(black,$red:119);
-  c120: change-color(black,$red:120);
-  c121: change-color(black,$red:121);
-  c122: change-color(black,$red:122);
-  c123: change-color(black,$red:123);
-  c124: change-color(black,$red:124);
-  c125: change-color(black,$red:125);
-  c126: change-color(black,$red:126);
-  c127: change-color(black,$red:127);
-  c128: change-color(black,$red:128);
-  c129: change-color(black,$red:129);
-  c130: change-color(black,$red:130);
-  c131: change-color(black,$red:131);
-  c132: change-color(black,$red:132);
-  c133: change-color(black,$red:133);
-  c134: change-color(black,$red:134);
-  c135: change-color(black,$red:135);
-  c136: change-color(black,$red:136);
-  c137: change-color(black,$red:137);
-  c138: change-color(black,$red:138);
-  c139: change-color(black,$red:139);
-  c140: change-color(black,$red:140);
-  c141: change-color(black,$red:141);
-  c142: change-color(black,$red:142);
-  c143: change-color(black,$red:143);
-  c144: change-color(black,$red:144);
-  c145: change-color(black,$red:145);
-  c146: change-color(black,$red:146);
-  c147: change-color(black,$red:147);
-  c148: change-color(black,$red:148);
-  c149: change-color(black,$red:149);
-  c150: change-color(black,$red:150);
-  c151: change-color(black,$red:151);
-  c152: change-color(black,$red:152);
-  c153: change-color(black,$red:153);
-  c154: change-color(black,$red:154);
-  c155: change-color(black,$red:155);
-  c156: change-color(black,$red:156);
-  c157: change-color(black,$red:157);
-  c158: change-color(black,$red:158);
-  c159: change-color(black,$red:159);
-  c160: change-color(black,$red:160);
-  c161: change-color(black,$red:161);
-  c162: change-color(black,$red:162);
-  c163: change-color(black,$red:163);
-  c164: change-color(black,$red:164);
-  c165: change-color(black,$red:165);
-  c166: change-color(black,$red:166);
-  c167: change-color(black,$red:167);
-  c168: change-color(black,$red:168);
-  c169: change-color(black,$red:169);
-  c170: change-color(black,$red:170);
-  c171: change-color(black,$red:171);
-  c172: change-color(black,$red:172);
-  c173: change-color(black,$red:173);
-  c174: change-color(black,$red:174);
-  c175: change-color(black,$red:175);
-  c176: change-color(black,$red:176);
-  c177: change-color(black,$red:177);
-  c178: change-color(black,$red:178);
-  c179: change-color(black,$red:179);
-  c180: change-color(black,$red:180);
-  c181: change-color(black,$red:181);
-  c182: change-color(black,$red:182);
-  c183: change-color(black,$red:183);
-  c184: change-color(black,$red:184);
-  c185: change-color(black,$red:185);
-  c186: change-color(black,$red:186);
-  c187: change-color(black,$red:187);
-  c188: change-color(black,$red:188);
-  c189: change-color(black,$red:189);
-  c190: change-color(black,$red:190);
-  c191: change-color(black,$red:191);
-  c192: change-color(black,$red:192);
-  c193: change-color(black,$red:193);
-  c194: change-color(black,$red:194);
-  c195: change-color(black,$red:195);
-  c196: change-color(black,$red:196);
-  c197: change-color(black,$red:197);
-  c198: change-color(black,$red:198);
-  c199: change-color(black,$red:199);
-  c200: change-color(black,$red:200);
-  c201: change-color(black,$red:201);
-  c202: change-color(black,$red:202);
-  c203: change-color(black,$red:203);
-  c204: change-color(black,$red:204);
-  c205: change-color(black,$red:205);
-  c206: change-color(black,$red:206);
-  c207: change-color(black,$red:207);
-  c208: change-color(black,$red:208);
-  c209: change-color(black,$red:209);
-  c210: change-color(black,$red:210);
-  c211: change-color(black,$red:211);
-  c212: change-color(black,$red:212);
-  c213: change-color(black,$red:213);
-  c214: change-color(black,$red:214);
-  c215: change-color(black,$red:215);
-  c216: change-color(black,$red:216);
-  c217: change-color(black,$red:217);
-  c218: change-color(black,$red:218);
-  c219: change-color(black,$red:219);
-  c220: change-color(black,$red:220);
-  c221: change-color(black,$red:221);
-  c222: change-color(black,$red:222);
-  c223: change-color(black,$red:223);
-  c224: change-color(black,$red:224);
-  c225: change-color(black,$red:225);
-  c226: change-color(black,$red:226);
-  c227: change-color(black,$red:227);
-  c228: change-color(black,$red:228);
-  c229: change-color(black,$red:229);
-  c230: change-color(black,$red:230);
-  c231: change-color(black,$red:231);
-  c232: change-color(black,$red:232);
-  c233: change-color(black,$red:233);
-  c234: change-color(black,$red:234);
-  c235: change-color(black,$red:235);
-  c236: change-color(black,$red:236);
-  c237: change-color(black,$red:237);
-  c238: change-color(black,$red:238);
-  c239: change-color(black,$red:239);
-  c240: change-color(black,$red:240);
-  c241: change-color(black,$red:241);
-  c242: change-color(black,$red:242);
-  c243: change-color(black,$red:243);
-  c244: change-color(black,$red:244);
-  c245: change-color(black,$red:245);
-  c246: change-color(black,$red:246);
-  c247: change-color(black,$red:247);
-  c248: change-color(black,$red:248);
-  c249: change-color(black,$red:249);
-  c250: change-color(black,$red:250);
-  c251: change-color(black,$red:251);
-  c252: change-color(black,$red:252);
-  c253: change-color(black,$red:253);
-  c254: change-color(black,$red:254);
-  c255: change-color(black,$red:255);
+  c0: color.change(black,$red:0);
+  c1: color.change(black,$red:1);
+  c2: color.change(black,$red:2);
+  c3: color.change(black,$red:3);
+  c4: color.change(black,$red:4);
+  c5: color.change(black,$red:5);
+  c6: color.change(black,$red:6);
+  c7: color.change(black,$red:7);
+  c8: color.change(black,$red:8);
+  c9: color.change(black,$red:9);
+  c10: color.change(black,$red:10);
+  c11: color.change(black,$red:11);
+  c12: color.change(black,$red:12);
+  c13: color.change(black,$red:13);
+  c14: color.change(black,$red:14);
+  c15: color.change(black,$red:15);
+  c16: color.change(black,$red:16);
+  c17: color.change(black,$red:17);
+  c18: color.change(black,$red:18);
+  c19: color.change(black,$red:19);
+  c20: color.change(black,$red:20);
+  c21: color.change(black,$red:21);
+  c22: color.change(black,$red:22);
+  c23: color.change(black,$red:23);
+  c24: color.change(black,$red:24);
+  c25: color.change(black,$red:25);
+  c26: color.change(black,$red:26);
+  c27: color.change(black,$red:27);
+  c28: color.change(black,$red:28);
+  c29: color.change(black,$red:29);
+  c30: color.change(black,$red:30);
+  c31: color.change(black,$red:31);
+  c32: color.change(black,$red:32);
+  c33: color.change(black,$red:33);
+  c34: color.change(black,$red:34);
+  c35: color.change(black,$red:35);
+  c36: color.change(black,$red:36);
+  c37: color.change(black,$red:37);
+  c38: color.change(black,$red:38);
+  c39: color.change(black,$red:39);
+  c40: color.change(black,$red:40);
+  c41: color.change(black,$red:41);
+  c42: color.change(black,$red:42);
+  c43: color.change(black,$red:43);
+  c44: color.change(black,$red:44);
+  c45: color.change(black,$red:45);
+  c46: color.change(black,$red:46);
+  c47: color.change(black,$red:47);
+  c48: color.change(black,$red:48);
+  c49: color.change(black,$red:49);
+  c50: color.change(black,$red:50);
+  c51: color.change(black,$red:51);
+  c52: color.change(black,$red:52);
+  c53: color.change(black,$red:53);
+  c54: color.change(black,$red:54);
+  c55: color.change(black,$red:55);
+  c56: color.change(black,$red:56);
+  c57: color.change(black,$red:57);
+  c58: color.change(black,$red:58);
+  c59: color.change(black,$red:59);
+  c60: color.change(black,$red:60);
+  c61: color.change(black,$red:61);
+  c62: color.change(black,$red:62);
+  c63: color.change(black,$red:63);
+  c64: color.change(black,$red:64);
+  c65: color.change(black,$red:65);
+  c66: color.change(black,$red:66);
+  c67: color.change(black,$red:67);
+  c68: color.change(black,$red:68);
+  c69: color.change(black,$red:69);
+  c70: color.change(black,$red:70);
+  c71: color.change(black,$red:71);
+  c72: color.change(black,$red:72);
+  c73: color.change(black,$red:73);
+  c74: color.change(black,$red:74);
+  c75: color.change(black,$red:75);
+  c76: color.change(black,$red:76);
+  c77: color.change(black,$red:77);
+  c78: color.change(black,$red:78);
+  c79: color.change(black,$red:79);
+  c80: color.change(black,$red:80);
+  c81: color.change(black,$red:81);
+  c82: color.change(black,$red:82);
+  c83: color.change(black,$red:83);
+  c84: color.change(black,$red:84);
+  c85: color.change(black,$red:85);
+  c86: color.change(black,$red:86);
+  c87: color.change(black,$red:87);
+  c88: color.change(black,$red:88);
+  c89: color.change(black,$red:89);
+  c90: color.change(black,$red:90);
+  c91: color.change(black,$red:91);
+  c92: color.change(black,$red:92);
+  c93: color.change(black,$red:93);
+  c94: color.change(black,$red:94);
+  c95: color.change(black,$red:95);
+  c96: color.change(black,$red:96);
+  c97: color.change(black,$red:97);
+  c98: color.change(black,$red:98);
+  c99: color.change(black,$red:99);
+  c100: color.change(black,$red:100);
+  c101: color.change(black,$red:101);
+  c102: color.change(black,$red:102);
+  c103: color.change(black,$red:103);
+  c104: color.change(black,$red:104);
+  c105: color.change(black,$red:105);
+  c106: color.change(black,$red:106);
+  c107: color.change(black,$red:107);
+  c108: color.change(black,$red:108);
+  c109: color.change(black,$red:109);
+  c110: color.change(black,$red:110);
+  c111: color.change(black,$red:111);
+  c112: color.change(black,$red:112);
+  c113: color.change(black,$red:113);
+  c114: color.change(black,$red:114);
+  c115: color.change(black,$red:115);
+  c116: color.change(black,$red:116);
+  c117: color.change(black,$red:117);
+  c118: color.change(black,$red:118);
+  c119: color.change(black,$red:119);
+  c120: color.change(black,$red:120);
+  c121: color.change(black,$red:121);
+  c122: color.change(black,$red:122);
+  c123: color.change(black,$red:123);
+  c124: color.change(black,$red:124);
+  c125: color.change(black,$red:125);
+  c126: color.change(black,$red:126);
+  c127: color.change(black,$red:127);
+  c128: color.change(black,$red:128);
+  c129: color.change(black,$red:129);
+  c130: color.change(black,$red:130);
+  c131: color.change(black,$red:131);
+  c132: color.change(black,$red:132);
+  c133: color.change(black,$red:133);
+  c134: color.change(black,$red:134);
+  c135: color.change(black,$red:135);
+  c136: color.change(black,$red:136);
+  c137: color.change(black,$red:137);
+  c138: color.change(black,$red:138);
+  c139: color.change(black,$red:139);
+  c140: color.change(black,$red:140);
+  c141: color.change(black,$red:141);
+  c142: color.change(black,$red:142);
+  c143: color.change(black,$red:143);
+  c144: color.change(black,$red:144);
+  c145: color.change(black,$red:145);
+  c146: color.change(black,$red:146);
+  c147: color.change(black,$red:147);
+  c148: color.change(black,$red:148);
+  c149: color.change(black,$red:149);
+  c150: color.change(black,$red:150);
+  c151: color.change(black,$red:151);
+  c152: color.change(black,$red:152);
+  c153: color.change(black,$red:153);
+  c154: color.change(black,$red:154);
+  c155: color.change(black,$red:155);
+  c156: color.change(black,$red:156);
+  c157: color.change(black,$red:157);
+  c158: color.change(black,$red:158);
+  c159: color.change(black,$red:159);
+  c160: color.change(black,$red:160);
+  c161: color.change(black,$red:161);
+  c162: color.change(black,$red:162);
+  c163: color.change(black,$red:163);
+  c164: color.change(black,$red:164);
+  c165: color.change(black,$red:165);
+  c166: color.change(black,$red:166);
+  c167: color.change(black,$red:167);
+  c168: color.change(black,$red:168);
+  c169: color.change(black,$red:169);
+  c170: color.change(black,$red:170);
+  c171: color.change(black,$red:171);
+  c172: color.change(black,$red:172);
+  c173: color.change(black,$red:173);
+  c174: color.change(black,$red:174);
+  c175: color.change(black,$red:175);
+  c176: color.change(black,$red:176);
+  c177: color.change(black,$red:177);
+  c178: color.change(black,$red:178);
+  c179: color.change(black,$red:179);
+  c180: color.change(black,$red:180);
+  c181: color.change(black,$red:181);
+  c182: color.change(black,$red:182);
+  c183: color.change(black,$red:183);
+  c184: color.change(black,$red:184);
+  c185: color.change(black,$red:185);
+  c186: color.change(black,$red:186);
+  c187: color.change(black,$red:187);
+  c188: color.change(black,$red:188);
+  c189: color.change(black,$red:189);
+  c190: color.change(black,$red:190);
+  c191: color.change(black,$red:191);
+  c192: color.change(black,$red:192);
+  c193: color.change(black,$red:193);
+  c194: color.change(black,$red:194);
+  c195: color.change(black,$red:195);
+  c196: color.change(black,$red:196);
+  c197: color.change(black,$red:197);
+  c198: color.change(black,$red:198);
+  c199: color.change(black,$red:199);
+  c200: color.change(black,$red:200);
+  c201: color.change(black,$red:201);
+  c202: color.change(black,$red:202);
+  c203: color.change(black,$red:203);
+  c204: color.change(black,$red:204);
+  c205: color.change(black,$red:205);
+  c206: color.change(black,$red:206);
+  c207: color.change(black,$red:207);
+  c208: color.change(black,$red:208);
+  c209: color.change(black,$red:209);
+  c210: color.change(black,$red:210);
+  c211: color.change(black,$red:211);
+  c212: color.change(black,$red:212);
+  c213: color.change(black,$red:213);
+  c214: color.change(black,$red:214);
+  c215: color.change(black,$red:215);
+  c216: color.change(black,$red:216);
+  c217: color.change(black,$red:217);
+  c218: color.change(black,$red:218);
+  c219: color.change(black,$red:219);
+  c220: color.change(black,$red:220);
+  c221: color.change(black,$red:221);
+  c222: color.change(black,$red:222);
+  c223: color.change(black,$red:223);
+  c224: color.change(black,$red:224);
+  c225: color.change(black,$red:225);
+  c226: color.change(black,$red:226);
+  c227: color.change(black,$red:227);
+  c228: color.change(black,$red:228);
+  c229: color.change(black,$red:229);
+  c230: color.change(black,$red:230);
+  c231: color.change(black,$red:231);
+  c232: color.change(black,$red:232);
+  c233: color.change(black,$red:233);
+  c234: color.change(black,$red:234);
+  c235: color.change(black,$red:235);
+  c236: color.change(black,$red:236);
+  c237: color.change(black,$red:237);
+  c238: color.change(black,$red:238);
+  c239: color.change(black,$red:239);
+  c240: color.change(black,$red:240);
+  c241: color.change(black,$red:241);
+  c242: color.change(black,$red:242);
+  c243: color.change(black,$red:243);
+  c244: color.change(black,$red:244);
+  c245: color.change(black,$red:245);
+  c246: color.change(black,$red:246);
+  c247: color.change(black,$red:247);
+  c248: color.change(black,$red:248);
+  c249: color.change(black,$red:249);
+  c250: color.change(black,$red:250);
+  c251: color.change(black,$red:251);
+  c252: color.change(black,$red:252);
+  c253: color.change(black,$red:253);
+  c254: color.change(black,$red:254);
+  c255: color.change(black,$red:255);
   // c256: change-color(black,$red:256);
 }
 
diff --git a/spec/libsass/color-functions/other/change-color/s.hrx b/spec/libsass/color-functions/other/change-color/s.hrx
index 6be178c555..b67b43d755 100644
--- a/spec/libsass/color-functions/other/change-color/s.hrx
+++ b/spec/libsass/color-functions/other/change-color/s.hrx
@@ -1,107 +1,108 @@
 <===> input.scss
+@use "sass:color";
 foo {
   // c-1: change-color(red,$saturation:-1%);
-  c0: change-color(red,$saturation:0%);
-  c1: change-color(red,$saturation:1%);
-  c2: change-color(red,$saturation:2%);
-  c3: change-color(red,$saturation:3%);
-  c4: change-color(red,$saturation:4%);
-  c5: change-color(red,$saturation:5%);
-  c6: change-color(red,$saturation:6%);
-  c7: change-color(red,$saturation:7%);
-  c8: change-color(red,$saturation:8%);
-  c9: change-color(red,$saturation:9%);
-  c10: change-color(red,$saturation:10%);
-  c11: change-color(red,$saturation:11%);
-  c12: change-color(red,$saturation:12%);
-  c13: change-color(red,$saturation:13%);
-  c14: change-color(red,$saturation:14%);
-  c15: change-color(red,$saturation:15%);
-  c16: change-color(red,$saturation:16%);
-  c17: change-color(red,$saturation:17%);
-  c18: change-color(red,$saturation:18%);
-  c19: change-color(red,$saturation:19%);
-  c20: change-color(red,$saturation:20%);
-  c21: change-color(red,$saturation:21%);
-  c22: change-color(red,$saturation:22%);
-  c23: change-color(red,$saturation:23%);
-  c24: change-color(red,$saturation:24%);
-  c25: change-color(red,$saturation:25%);
-  c26: change-color(red,$saturation:26%);
-  c27: change-color(red,$saturation:27%);
-  c28: change-color(red,$saturation:28%);
-  c29: change-color(red,$saturation:29%);
-  c30: change-color(red,$saturation:30%);
-  c31: change-color(red,$saturation:31%);
-  c32: change-color(red,$saturation:32%);
-  c33: change-color(red,$saturation:33%);
-  c34: change-color(red,$saturation:34%);
-  c35: change-color(red,$saturation:35%);
-  c36: change-color(red,$saturation:36%);
-  c37: change-color(red,$saturation:37%);
-  c38: change-color(red,$saturation:38%);
-  c39: change-color(red,$saturation:39%);
-  c40: change-color(red,$saturation:40%);
-  c41: change-color(red,$saturation:41%);
-  c42: change-color(red,$saturation:42%);
-  c43: change-color(red,$saturation:43%);
-  c44: change-color(red,$saturation:44%);
-  c45: change-color(red,$saturation:45%);
-  c46: change-color(red,$saturation:46%);
-  c47: change-color(red,$saturation:47%);
-  c48: change-color(red,$saturation:48%);
-  c49: change-color(red,$saturation:49%);
-  c50: change-color(red,$saturation:50%);
-  c51: change-color(red,$saturation:51%);
-  c52: change-color(red,$saturation:52%);
-  c53: change-color(red,$saturation:53%);
-  c54: change-color(red,$saturation:54%);
-  c55: change-color(red,$saturation:55%);
-  c56: change-color(red,$saturation:56%);
-  c57: change-color(red,$saturation:57%);
-  c58: change-color(red,$saturation:58%);
-  c59: change-color(red,$saturation:59%);
-  c60: change-color(red,$saturation:60%);
-  c61: change-color(red,$saturation:61%);
-  c62: change-color(red,$saturation:62%);
-  c63: change-color(red,$saturation:63%);
-  c64: change-color(red,$saturation:64%);
-  c65: change-color(red,$saturation:65%);
-  c66: change-color(red,$saturation:66%);
-  c67: change-color(red,$saturation:67%);
-  c68: change-color(red,$saturation:68%);
-  c69: change-color(red,$saturation:69%);
-  c70: change-color(red,$saturation:70%);
-  c71: change-color(red,$saturation:71%);
-  c72: change-color(red,$saturation:72%);
-  c73: change-color(red,$saturation:73%);
-  c74: change-color(red,$saturation:74%);
-  c75: change-color(red,$saturation:75%);
-  c76: change-color(red,$saturation:76%);
-  c77: change-color(red,$saturation:77%);
-  c78: change-color(red,$saturation:78%);
-  c79: change-color(red,$saturation:79%);
-  c80: change-color(red,$saturation:80%);
-  c81: change-color(red,$saturation:81%);
-  c82: change-color(red,$saturation:82%);
-  c83: change-color(red,$saturation:83%);
-  c84: change-color(red,$saturation:84%);
-  c85: change-color(red,$saturation:85%);
-  c86: change-color(red,$saturation:86%);
-  c87: change-color(red,$saturation:87%);
-  c88: change-color(red,$saturation:88%);
-  c89: change-color(red,$saturation:89%);
-  c90: change-color(red,$saturation:90%);
-  c91: change-color(red,$saturation:91%);
-  c92: change-color(red,$saturation:92%);
-  c93: change-color(red,$saturation:93%);
-  c94: change-color(red,$saturation:94%);
-  c95: change-color(red,$saturation:95%);
-  c96: change-color(red,$saturation:96%);
-  c97: change-color(red,$saturation:97%);
-  c98: change-color(red,$saturation:98%);
-  c99: change-color(red,$saturation:99%);
-  c100: change-color(red,$saturation:100%);
+  c0: color.change(red,$saturation:0%);
+  c1: color.change(red,$saturation:1%);
+  c2: color.change(red,$saturation:2%);
+  c3: color.change(red,$saturation:3%);
+  c4: color.change(red,$saturation:4%);
+  c5: color.change(red,$saturation:5%);
+  c6: color.change(red,$saturation:6%);
+  c7: color.change(red,$saturation:7%);
+  c8: color.change(red,$saturation:8%);
+  c9: color.change(red,$saturation:9%);
+  c10: color.change(red,$saturation:10%);
+  c11: color.change(red,$saturation:11%);
+  c12: color.change(red,$saturation:12%);
+  c13: color.change(red,$saturation:13%);
+  c14: color.change(red,$saturation:14%);
+  c15: color.change(red,$saturation:15%);
+  c16: color.change(red,$saturation:16%);
+  c17: color.change(red,$saturation:17%);
+  c18: color.change(red,$saturation:18%);
+  c19: color.change(red,$saturation:19%);
+  c20: color.change(red,$saturation:20%);
+  c21: color.change(red,$saturation:21%);
+  c22: color.change(red,$saturation:22%);
+  c23: color.change(red,$saturation:23%);
+  c24: color.change(red,$saturation:24%);
+  c25: color.change(red,$saturation:25%);
+  c26: color.change(red,$saturation:26%);
+  c27: color.change(red,$saturation:27%);
+  c28: color.change(red,$saturation:28%);
+  c29: color.change(red,$saturation:29%);
+  c30: color.change(red,$saturation:30%);
+  c31: color.change(red,$saturation:31%);
+  c32: color.change(red,$saturation:32%);
+  c33: color.change(red,$saturation:33%);
+  c34: color.change(red,$saturation:34%);
+  c35: color.change(red,$saturation:35%);
+  c36: color.change(red,$saturation:36%);
+  c37: color.change(red,$saturation:37%);
+  c38: color.change(red,$saturation:38%);
+  c39: color.change(red,$saturation:39%);
+  c40: color.change(red,$saturation:40%);
+  c41: color.change(red,$saturation:41%);
+  c42: color.change(red,$saturation:42%);
+  c43: color.change(red,$saturation:43%);
+  c44: color.change(red,$saturation:44%);
+  c45: color.change(red,$saturation:45%);
+  c46: color.change(red,$saturation:46%);
+  c47: color.change(red,$saturation:47%);
+  c48: color.change(red,$saturation:48%);
+  c49: color.change(red,$saturation:49%);
+  c50: color.change(red,$saturation:50%);
+  c51: color.change(red,$saturation:51%);
+  c52: color.change(red,$saturation:52%);
+  c53: color.change(red,$saturation:53%);
+  c54: color.change(red,$saturation:54%);
+  c55: color.change(red,$saturation:55%);
+  c56: color.change(red,$saturation:56%);
+  c57: color.change(red,$saturation:57%);
+  c58: color.change(red,$saturation:58%);
+  c59: color.change(red,$saturation:59%);
+  c60: color.change(red,$saturation:60%);
+  c61: color.change(red,$saturation:61%);
+  c62: color.change(red,$saturation:62%);
+  c63: color.change(red,$saturation:63%);
+  c64: color.change(red,$saturation:64%);
+  c65: color.change(red,$saturation:65%);
+  c66: color.change(red,$saturation:66%);
+  c67: color.change(red,$saturation:67%);
+  c68: color.change(red,$saturation:68%);
+  c69: color.change(red,$saturation:69%);
+  c70: color.change(red,$saturation:70%);
+  c71: color.change(red,$saturation:71%);
+  c72: color.change(red,$saturation:72%);
+  c73: color.change(red,$saturation:73%);
+  c74: color.change(red,$saturation:74%);
+  c75: color.change(red,$saturation:75%);
+  c76: color.change(red,$saturation:76%);
+  c77: color.change(red,$saturation:77%);
+  c78: color.change(red,$saturation:78%);
+  c79: color.change(red,$saturation:79%);
+  c80: color.change(red,$saturation:80%);
+  c81: color.change(red,$saturation:81%);
+  c82: color.change(red,$saturation:82%);
+  c83: color.change(red,$saturation:83%);
+  c84: color.change(red,$saturation:84%);
+  c85: color.change(red,$saturation:85%);
+  c86: color.change(red,$saturation:86%);
+  c87: color.change(red,$saturation:87%);
+  c88: color.change(red,$saturation:88%);
+  c89: color.change(red,$saturation:89%);
+  c90: color.change(red,$saturation:90%);
+  c91: color.change(red,$saturation:91%);
+  c92: color.change(red,$saturation:92%);
+  c93: color.change(red,$saturation:93%);
+  c94: color.change(red,$saturation:94%);
+  c95: color.change(red,$saturation:95%);
+  c96: color.change(red,$saturation:96%);
+  c97: color.change(red,$saturation:97%);
+  c98: color.change(red,$saturation:98%);
+  c99: color.change(red,$saturation:99%);
+  c100: color.change(red,$saturation:100%);
   // c101: change-color(red,$saturation:101%);
 }
 
diff --git a/spec/libsass/color-functions/saturate.hrx b/spec/libsass/color-functions/saturate.hrx
index 167059777d..0cb809f77f 100644
--- a/spec/libsass/color-functions/saturate.hrx
+++ b/spec/libsass/color-functions/saturate.hrx
@@ -1,106 +1,107 @@
 <===> input.scss
+@use "sass:color";
 foo {
-  c0: saturate(hsl(100, 0%, 50%), 0%);
-  c1: saturate(hsl(100, 0%, 50%), 1%);
-  c2: saturate(hsl(100, 0%, 50%), 2%);
-  c3: saturate(hsl(100, 0%, 50%), 3%);
-  c4: saturate(hsl(100, 0%, 50%), 4%);
-  c5: saturate(hsl(100, 0%, 50%), 5%);
-  c6: saturate(hsl(100, 0%, 50%), 6%);
-  c7: saturate(hsl(100, 0%, 50%), 7%);
-  c8: saturate(hsl(100, 0%, 50%), 8%);
-  c9: saturate(hsl(100, 0%, 50%), 9%);
-  c10: saturate(hsl(100, 0%, 50%), 10%);
-  c11: saturate(hsl(100, 0%, 50%), 11%);
-  c12: saturate(hsl(100, 0%, 50%), 12%);
-  c13: saturate(hsl(100, 0%, 50%), 13%);
-  c14: saturate(hsl(100, 0%, 50%), 14%);
-  c15: saturate(hsl(100, 0%, 50%), 15%);
-  c16: saturate(hsl(100, 0%, 50%), 16%);
-  c17: saturate(hsl(100, 0%, 50%), 17%);
-  c18: saturate(hsl(100, 0%, 50%), 18%);
-  c19: saturate(hsl(100, 0%, 50%), 19%);
-  c20: saturate(hsl(100, 0%, 50%), 20%);
-  c21: saturate(hsl(100, 0%, 50%), 21%);
-  c22: saturate(hsl(100, 0%, 50%), 22%);
-  c23: saturate(hsl(100, 0%, 50%), 23%);
-  c24: saturate(hsl(100, 0%, 50%), 24%);
-  c25: saturate(hsl(100, 0%, 50%), 25%);
-  c26: saturate(hsl(100, 0%, 50%), 26%);
-  c27: saturate(hsl(100, 0%, 50%), 27%);
-  c28: saturate(hsl(100, 0%, 50%), 28%);
-  c29: saturate(hsl(100, 0%, 50%), 29%);
-  c30: saturate(hsl(100, 0%, 50%), 30%);
-  c31: saturate(hsl(100, 0%, 50%), 31%);
-  c32: saturate(hsl(100, 0%, 50%), 32%);
-  c33: saturate(hsl(100, 0%, 50%), 33%);
-  c34: saturate(hsl(100, 0%, 50%), 34%);
-  c35: saturate(hsl(100, 0%, 50%), 35%);
-  c36: saturate(hsl(100, 0%, 50%), 36%);
-  c37: saturate(hsl(100, 0%, 50%), 37%);
-  c38: saturate(hsl(100, 0%, 50%), 38%);
-  c39: saturate(hsl(100, 0%, 50%), 39%);
+  c0: color.adjust(hsl(100, 0%, 50%), $saturation: 0%);
+  c1: color.adjust(hsl(100, 0%, 50%), $saturation: 1%);
+  c2: color.adjust(hsl(100, 0%, 50%), $saturation: 2%);
+  c3: color.adjust(hsl(100, 0%, 50%), $saturation: 3%);
+  c4: color.adjust(hsl(100, 0%, 50%), $saturation: 4%);
+  c5: color.adjust(hsl(100, 0%, 50%), $saturation: 5%);
+  c6: color.adjust(hsl(100, 0%, 50%), $saturation: 6%);
+  c7: color.adjust(hsl(100, 0%, 50%), $saturation: 7%);
+  c8: color.adjust(hsl(100, 0%, 50%), $saturation: 8%);
+  c9: color.adjust(hsl(100, 0%, 50%), $saturation: 9%);
+  c10: color.adjust(hsl(100, 0%, 50%), $saturation: 10%);
+  c11: color.adjust(hsl(100, 0%, 50%), $saturation: 11%);
+  c12: color.adjust(hsl(100, 0%, 50%), $saturation: 12%);
+  c13: color.adjust(hsl(100, 0%, 50%), $saturation: 13%);
+  c14: color.adjust(hsl(100, 0%, 50%), $saturation: 14%);
+  c15: color.adjust(hsl(100, 0%, 50%), $saturation: 15%);
+  c16: color.adjust(hsl(100, 0%, 50%), $saturation: 16%);
+  c17: color.adjust(hsl(100, 0%, 50%), $saturation: 17%);
+  c18: color.adjust(hsl(100, 0%, 50%), $saturation: 18%);
+  c19: color.adjust(hsl(100, 0%, 50%), $saturation: 19%);
+  c20: color.adjust(hsl(100, 0%, 50%), $saturation: 20%);
+  c21: color.adjust(hsl(100, 0%, 50%), $saturation: 21%);
+  c22: color.adjust(hsl(100, 0%, 50%), $saturation: 22%);
+  c23: color.adjust(hsl(100, 0%, 50%), $saturation: 23%);
+  c24: color.adjust(hsl(100, 0%, 50%), $saturation: 24%);
+  c25: color.adjust(hsl(100, 0%, 50%), $saturation: 25%);
+  c26: color.adjust(hsl(100, 0%, 50%), $saturation: 26%);
+  c27: color.adjust(hsl(100, 0%, 50%), $saturation: 27%);
+  c28: color.adjust(hsl(100, 0%, 50%), $saturation: 28%);
+  c29: color.adjust(hsl(100, 0%, 50%), $saturation: 29%);
+  c30: color.adjust(hsl(100, 0%, 50%), $saturation: 30%);
+  c31: color.adjust(hsl(100, 0%, 50%), $saturation: 31%);
+  c32: color.adjust(hsl(100, 0%, 50%), $saturation: 32%);
+  c33: color.adjust(hsl(100, 0%, 50%), $saturation: 33%);
+  c34: color.adjust(hsl(100, 0%, 50%), $saturation: 34%);
+  c35: color.adjust(hsl(100, 0%, 50%), $saturation: 35%);
+  c36: color.adjust(hsl(100, 0%, 50%), $saturation: 36%);
+  c37: color.adjust(hsl(100, 0%, 50%), $saturation: 37%);
+  c38: color.adjust(hsl(100, 0%, 50%), $saturation: 38%);
+  c39: color.adjust(hsl(100, 0%, 50%), $saturation: 39%);
   // c40: saturate(hsl(100, 0%, 50%), 40%);
-  c41: saturate(hsl(100, 0%, 50%), 41%);
-  c42: saturate(hsl(100, 0%, 50%), 42%);
-  c43: saturate(hsl(100, 0%, 50%), 43%);
-  c44: saturate(hsl(100, 0%, 50%), 44%);
-  c45: saturate(hsl(100, 0%, 50%), 45%);
-  c46: saturate(hsl(100, 0%, 50%), 46%);
-  c47: saturate(hsl(100, 0%, 50%), 47%);
-  c48: saturate(hsl(100, 0%, 50%), 48%);
-  c49: saturate(hsl(100, 0%, 50%), 49%);
-  c50: saturate(hsl(100, 0%, 50%), 50%);
-  c51: saturate(hsl(100, 0%, 50%), 51%);
-  c52: saturate(hsl(100, 0%, 50%), 52%);
-  c53: saturate(hsl(100, 0%, 50%), 53%);
-  c54: saturate(hsl(100, 0%, 50%), 54%);
-  c55: saturate(hsl(100, 0%, 50%), 55%);
-  c56: saturate(hsl(100, 0%, 50%), 56%);
-  c57: saturate(hsl(100, 0%, 50%), 57%);
-  c58: saturate(hsl(100, 0%, 50%), 58%);
-  c59: saturate(hsl(100, 0%, 50%), 59%);
-  c60: saturate(hsl(100, 0%, 50%), 60%);
-  c61: saturate(hsl(100, 0%, 50%), 61%);
-  c62: saturate(hsl(100, 0%, 50%), 62%);
-  c63: saturate(hsl(100, 0%, 50%), 63%);
-  c64: saturate(hsl(100, 0%, 50%), 64%);
-  c65: saturate(hsl(100, 0%, 50%), 65%);
-  c66: saturate(hsl(100, 0%, 50%), 66%);
-  c67: saturate(hsl(100, 0%, 50%), 67%);
-  c68: saturate(hsl(100, 0%, 50%), 68%);
-  c69: saturate(hsl(100, 0%, 50%), 69%);
-  c70: saturate(hsl(100, 0%, 50%), 70%);
-  c71: saturate(hsl(100, 0%, 50%), 71%);
-  c72: saturate(hsl(100, 0%, 50%), 72%);
-  c73: saturate(hsl(100, 0%, 50%), 73%);
-  c74: saturate(hsl(100, 0%, 50%), 74%);
-  c75: saturate(hsl(100, 0%, 50%), 75%);
-  c76: saturate(hsl(100, 0%, 50%), 76%);
-  c77: saturate(hsl(100, 0%, 50%), 77%);
-  c78: saturate(hsl(100, 0%, 50%), 78%);
-  c79: saturate(hsl(100, 0%, 50%), 79%);
+  c41: color.adjust(hsl(100, 0%, 50%), $saturation: 41%);
+  c42: color.adjust(hsl(100, 0%, 50%), $saturation: 42%);
+  c43: color.adjust(hsl(100, 0%, 50%), $saturation: 43%);
+  c44: color.adjust(hsl(100, 0%, 50%), $saturation: 44%);
+  c45: color.adjust(hsl(100, 0%, 50%), $saturation: 45%);
+  c46: color.adjust(hsl(100, 0%, 50%), $saturation: 46%);
+  c47: color.adjust(hsl(100, 0%, 50%), $saturation: 47%);
+  c48: color.adjust(hsl(100, 0%, 50%), $saturation: 48%);
+  c49: color.adjust(hsl(100, 0%, 50%), $saturation: 49%);
+  c50: color.adjust(hsl(100, 0%, 50%), $saturation: 50%);
+  c51: color.adjust(hsl(100, 0%, 50%), $saturation: 51%);
+  c52: color.adjust(hsl(100, 0%, 50%), $saturation: 52%);
+  c53: color.adjust(hsl(100, 0%, 50%), $saturation: 53%);
+  c54: color.adjust(hsl(100, 0%, 50%), $saturation: 54%);
+  c55: color.adjust(hsl(100, 0%, 50%), $saturation: 55%);
+  c56: color.adjust(hsl(100, 0%, 50%), $saturation: 56%);
+  c57: color.adjust(hsl(100, 0%, 50%), $saturation: 57%);
+  c58: color.adjust(hsl(100, 0%, 50%), $saturation: 58%);
+  c59: color.adjust(hsl(100, 0%, 50%), $saturation: 59%);
+  c60: color.adjust(hsl(100, 0%, 50%), $saturation: 60%);
+  c61: color.adjust(hsl(100, 0%, 50%), $saturation: 61%);
+  c62: color.adjust(hsl(100, 0%, 50%), $saturation: 62%);
+  c63: color.adjust(hsl(100, 0%, 50%), $saturation: 63%);
+  c64: color.adjust(hsl(100, 0%, 50%), $saturation: 64%);
+  c65: color.adjust(hsl(100, 0%, 50%), $saturation: 65%);
+  c66: color.adjust(hsl(100, 0%, 50%), $saturation: 66%);
+  c67: color.adjust(hsl(100, 0%, 50%), $saturation: 67%);
+  c68: color.adjust(hsl(100, 0%, 50%), $saturation: 68%);
+  c69: color.adjust(hsl(100, 0%, 50%), $saturation: 69%);
+  c70: color.adjust(hsl(100, 0%, 50%), $saturation: 70%);
+  c71: color.adjust(hsl(100, 0%, 50%), $saturation: 71%);
+  c72: color.adjust(hsl(100, 0%, 50%), $saturation: 72%);
+  c73: color.adjust(hsl(100, 0%, 50%), $saturation: 73%);
+  c74: color.adjust(hsl(100, 0%, 50%), $saturation: 74%);
+  c75: color.adjust(hsl(100, 0%, 50%), $saturation: 75%);
+  c76: color.adjust(hsl(100, 0%, 50%), $saturation: 76%);
+  c77: color.adjust(hsl(100, 0%, 50%), $saturation: 77%);
+  c78: color.adjust(hsl(100, 0%, 50%), $saturation: 78%);
+  c79: color.adjust(hsl(100, 0%, 50%), $saturation: 79%);
   // c80: saturate(hsl(100, 0%, 50%), 80%);
-  c81: saturate(hsl(100, 0%, 50%), 81%);
-  c82: saturate(hsl(100, 0%, 50%), 82%);
-  c83: saturate(hsl(100, 0%, 50%), 83%);
-  c84: saturate(hsl(100, 0%, 50%), 84%);
-  c85: saturate(hsl(100, 0%, 50%), 85%);
-  c86: saturate(hsl(100, 0%, 50%), 86%);
-  c87: saturate(hsl(100, 0%, 50%), 87%);
-  c88: saturate(hsl(100, 0%, 50%), 88%);
-  c89: saturate(hsl(100, 0%, 50%), 89%);
-  c90: saturate(hsl(100, 0%, 50%), 90%);
-  c91: saturate(hsl(100, 0%, 50%), 91%);
-  c92: saturate(hsl(100, 0%, 50%), 92%);
-  c93: saturate(hsl(100, 0%, 50%), 93%);
-  c94: saturate(hsl(100, 0%, 50%), 94%);
-  c95: saturate(hsl(100, 0%, 50%), 95%);
-  c96: saturate(hsl(100, 0%, 50%), 96%);
-  c97: saturate(hsl(100, 0%, 50%), 97%);
-  c98: saturate(hsl(100, 0%, 50%), 98%);
-  c99: saturate(hsl(100, 0%, 50%), 99%);
-  c100: saturate(hsl(100, 0%, 50%), 100%);
+  c81: color.adjust(hsl(100, 0%, 50%), $saturation: 81%);
+  c82: color.adjust(hsl(100, 0%, 50%), $saturation: 82%);
+  c83: color.adjust(hsl(100, 0%, 50%), $saturation: 83%);
+  c84: color.adjust(hsl(100, 0%, 50%), $saturation: 84%);
+  c85: color.adjust(hsl(100, 0%, 50%), $saturation: 85%);
+  c86: color.adjust(hsl(100, 0%, 50%), $saturation: 86%);
+  c87: color.adjust(hsl(100, 0%, 50%), $saturation: 87%);
+  c88: color.adjust(hsl(100, 0%, 50%), $saturation: 88%);
+  c89: color.adjust(hsl(100, 0%, 50%), $saturation: 89%);
+  c90: color.adjust(hsl(100, 0%, 50%), $saturation: 90%);
+  c91: color.adjust(hsl(100, 0%, 50%), $saturation: 91%);
+  c92: color.adjust(hsl(100, 0%, 50%), $saturation: 92%);
+  c93: color.adjust(hsl(100, 0%, 50%), $saturation: 93%);
+  c94: color.adjust(hsl(100, 0%, 50%), $saturation: 94%);
+  c95: color.adjust(hsl(100, 0%, 50%), $saturation: 95%);
+  c96: color.adjust(hsl(100, 0%, 50%), $saturation: 96%);
+  c97: color.adjust(hsl(100, 0%, 50%), $saturation: 97%);
+  c98: color.adjust(hsl(100, 0%, 50%), $saturation: 98%);
+  c99: color.adjust(hsl(100, 0%, 50%), $saturation: 99%);
+  c100: color.adjust(hsl(100, 0%, 50%), $saturation: 100%);
 }
 
 <===> output.css
diff --git a/spec/libsass/delayed.hrx b/spec/libsass/delayed.hrx
index d3d60244a2..95116a1843 100644
--- a/spec/libsass/delayed.hrx
+++ b/spec/libsass/delayed.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:list";
 $x: a 3/4 b;
 $y: hey;
 
@@ -8,10 +9,10 @@ $y: hey;
 
 div {
   hoo: 3/4;
-  goo: nth($x, 2);
-  foo: 15 / nth($x, 2);
-  foo: .25 + nth($x, 2);
-  coo: 2/3 / nth($x, 2);
+  goo: list.nth($x, 2);
+  foo: 15 / list.nth($x, 2);
+  foo: .25 + list.nth($x, 2);
+  coo: 2/3 / list.nth($x, 2);
   bar: $y and true;
   bar: false and true;
   bar: (false) and true;
@@ -20,7 +21,7 @@ div {
   }
   bloo: foo();
   @warn 2/3;
-  blix: "hey #{nth($x, 2)} ho";
+  blix: "hey #{list.nth($x, 2)} ho";
 }
 
 @media screen and (hux: 3/4) {
@@ -32,7 +33,7 @@ div {
 @warn "blah blah";
 
 div {
-  blah: "ho #{nth($x, 2) } ho";
+  blah: "ho #{list.nth($x, 2) } ho";
 }
 
 span {
@@ -76,10 +77,10 @@ Recommendation: math.div(3, 4)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
    ,
-10 |   goo: nth($x, 2);
-   |        ^^^^^^^^^^
+11 |   goo: list.nth($x, 2);
+   |        ^^^^^^^^^^^^^^^
    '
-    input.scss 10:8  root stylesheet
+    input.scss 11:8  root stylesheet
 
 DEPRECATION WARNING: Using / for division is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -88,22 +89,22 @@ Recommendation: math.div(3, 4)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
    ,
-11 |   foo: 15 / nth($x, 2);
-   |             ^^^^^^^^^^
+12 |   foo: 15 / list.nth($x, 2);
+   |             ^^^^^^^^^^^^^^^
    '
-    input.scss 11:13  root stylesheet
+    input.scss 12:13  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
-Recommendation: math.div(15, nth($x, 2)) or calc(15 / nth($x, 2))
+Recommendation: math.div(15, list.nth($x, 2)) or calc(15 / list.nth($x, 2))
 
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
    ,
-11 |   foo: 15 / nth($x, 2);
-   |        ^^^^^^^^^^^^^^^
+12 |   foo: 15 / list.nth($x, 2);
+   |        ^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 11:8  root stylesheet
+    input.scss 12:8  root stylesheet
 
 DEPRECATION WARNING: Using / for division is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -112,10 +113,10 @@ Recommendation: math.div(3, 4)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
    ,
-12 |   foo: .25 + nth($x, 2);
-   |              ^^^^^^^^^^
+13 |   foo: .25 + list.nth($x, 2);
+   |              ^^^^^^^^^^^^^^^
    '
-    input.scss 12:14  root stylesheet
+    input.scss 13:14  root stylesheet
 
 DEPRECATION WARNING: Using / for division is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -124,22 +125,22 @@ Recommendation: math.div(3, 4)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
    ,
-13 |   coo: 2/3 / nth($x, 2);
-   |              ^^^^^^^^^^
+14 |   coo: 2/3 / list.nth($x, 2);
+   |              ^^^^^^^^^^^^^^^
    '
-    input.scss 13:14  root stylesheet
+    input.scss 14:14  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
-Recommendation: math.div(math.div(2, 3), nth($x, 2)) or calc(2 / 3 / nth($x, 2))
+Recommendation: math.div(math.div(2, 3), list.nth($x, 2)) or calc(2 / 3 / list.nth($x, 2))
 
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
    ,
-13 |   coo: 2/3 / nth($x, 2);
-   |        ^^^^^^^^^^^^^^^^
+14 |   coo: 2/3 / list.nth($x, 2);
+   |        ^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 13:8  root stylesheet
+    input.scss 14:8  root stylesheet
 
 DEPRECATION WARNING: Using / for division is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -148,10 +149,10 @@ Recommendation: math.div(3, 4)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $x: a 3/4 b;
+2 | $x: a 3/4 b;
   |     ^^^^^^^
   '
-    input.scss 1:5  root stylesheet
+    input.scss 2:5  root stylesheet
 
 DEPRECATION WARNING: Using / for division is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -160,14 +161,14 @@ Recommendation: math.div(3, 4)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-5 |   @return 3/4;
+6 |   @return 3/4;
   |           ^^^
   '
-    input.scss 5:11  foo()
-    input.scss 20:9  root stylesheet
+    input.scss 6:11  foo()
+    input.scss 21:9  root stylesheet
 
 WARNING: 2/3
-    input.scss 21:3  root stylesheet
+    input.scss 22:3  root stylesheet
 
 DEPRECATION WARNING: Using / for division is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -176,13 +177,13 @@ Recommendation: math.div(3, 4)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
    ,
-22 |   blix: "hey #{nth($x, 2)} ho";
-   |                ^^^^^^^^^^
+23 |   blix: "hey #{list.nth($x, 2)} ho";
+   |                ^^^^^^^^^^^^^^^
    '
-    input.scss 22:16  root stylesheet
+    input.scss 23:16  root stylesheet
 
 WARNING: blah blah
-    input.scss 31:1  root stylesheet
+    input.scss 32:1  root stylesheet
 
 DEPRECATION WARNING: Using / for division is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -191,10 +192,10 @@ Recommendation: math.div(3, 4)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
    ,
-34 |   blah: "ho #{nth($x, 2) } ho";
-   |               ^^^^^^^^^^
+35 |   blah: "ho #{list.nth($x, 2) } ho";
+   |               ^^^^^^^^^^^^^^^
    '
-    input.scss 34:15  root stylesheet
+    input.scss 35:15  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -203,7 +204,7 @@ Recommendation: math.div(3, 4) or calc(3 / 4)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
    ,
-38 |   fludge: (true and 3/4);
+39 |   fludge: (true and 3/4);
    |                     ^^^
    '
-    input.scss 38:21  root stylesheet
+    input.scss 39:21  root stylesheet
diff --git a/spec/libsass/div.hrx b/spec/libsass/div.hrx
index 22ba6bbfcc..e1ff67b9fe 100644
--- a/spec/libsass/div.hrx
+++ b/spec/libsass/div.hrx
@@ -1,4 +1,6 @@
 <===> input.scss
+@use "sass:list";
+@use "sass:meta";
 $x: 3/4;
 $xs: hey 3/4 ho;
 
@@ -8,9 +10,9 @@ div {
   b: hey $x ho;
   /* $xs: hey 3/4 ho */
   c: $xs;
-  d: nth($xs, 2);
-  e: nth($xs, 2) == 0.75;
-  f: type-of(nth($xs, 2));
+  d: list.nth($xs, 2);
+  e: list.nth($xs, 2) == 0.75;
+  f: meta.type-of(list.nth($xs, 2));
 }
 <===> output.css
 div {
@@ -32,10 +34,10 @@ Recommendation: math.div(3, 4)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-1 | $x: 3/4;
+3 | $x: 3/4;
   |     ^^^
   '
-    input.scss 1:5  root stylesheet
+    input.scss 3:5  root stylesheet
 
 DEPRECATION WARNING: Using / for division is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -44,10 +46,10 @@ Recommendation: math.div(3, 4)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
    ,
-10 |   d: nth($xs, 2);
-   |      ^^^^^^^^^^^
+12 |   d: list.nth($xs, 2);
+   |      ^^^^^^^^^^^^^^^^
    '
-    input.scss 10:6  root stylesheet
+    input.scss 12:6  root stylesheet
 
 DEPRECATION WARNING: Using / for division is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -56,10 +58,10 @@ Recommendation: math.div(3, 4)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
    ,
-11 |   e: nth($xs, 2) == 0.75;
-   |      ^^^^^^^^^^^
+13 |   e: list.nth($xs, 2) == 0.75;
+   |      ^^^^^^^^^^^^^^^^
    '
-    input.scss 11:6  root stylesheet
+    input.scss 13:6  root stylesheet
 
 DEPRECATION WARNING: Using / for division is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -68,7 +70,7 @@ Recommendation: math.div(3, 4)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
    ,
-12 |   f: type-of(nth($xs, 2));
-   |              ^^^^^^^^^^^
+14 |   f: meta.type-of(list.nth($xs, 2));
+   |                   ^^^^^^^^^^^^^^^^
    '
-    input.scss 12:14  root stylesheet
+    input.scss 14:19  root stylesheet
diff --git a/spec/libsass/list-evaluation.hrx b/spec/libsass/list-evaluation.hrx
index 2792a41d1a..fa96c0472a 100644
--- a/spec/libsass/list-evaluation.hrx
+++ b/spec/libsass/list-evaluation.hrx
@@ -1,10 +1,12 @@
 <===> input.scss
+@use "sass:list";
+@use "sass:meta";
 div {
   $things: red 2/3 blue;
   content: $things;
-  content: nth($things, 2);
-  content: type-of(nth($things, 2));
-  content: type-of(nth($things, 3));
+  content: list.nth($things, 2);
+  content: meta.type-of(list.nth($things, 2));
+  content: meta.type-of(list.nth($things, 3));
   /**** #{2+2} ****/
   content: (1 / 2 3 / 4) + (5/6 7/8);
   content: (1/2 3/4), (5/6 7/8);
@@ -46,10 +48,10 @@ Recommendation: math.div(2, 3)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-4 |   content: nth($things, 2);
-  |            ^^^^^^^^^^^^^^^
+6 |   content: list.nth($things, 2);
+  |            ^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 4:12  root stylesheet
+    input.scss 6:12  root stylesheet
 
 DEPRECATION WARNING: Using / for division is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -58,10 +60,10 @@ Recommendation: math.div(2, 3)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-5 |   content: type-of(nth($things, 2));
-  |                    ^^^^^^^^^^^^^^^
+7 |   content: meta.type-of(list.nth($things, 2));
+  |                         ^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 5:20  root stylesheet
+    input.scss 7:25  root stylesheet
 
 DEPRECATION WARNING: Using / for division is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -70,10 +72,10 @@ Recommendation: math.div(3, 4)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
    ,
-11 |   @each $x in 1 2 3/4 {
+13 |   @each $x in 1 2 3/4 {
    |               ^^^^^^^
    '
-    input.scss 11:15  root stylesheet
+    input.scss 13:15  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -82,10 +84,10 @@ Recommendation: math.div(1 + 2, 3) or calc((1 + 2) / 3)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
    ,
-17 |   stuff: ((1 + 2)/3/4);
+19 |   stuff: ((1 + 2)/3/4);
    |           ^^^^^^^^^
    '
-    input.scss 17:11  root stylesheet
+    input.scss 19:11  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -94,7 +96,7 @@ Recommendation: math.div(math.div(1 + 2, 3), 4) or calc((1 + 2) / 3 / 4)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
    ,
-17 |   stuff: ((1 + 2)/3/4);
+19 |   stuff: ((1 + 2)/3/4);
    |           ^^^^^^^^^^^
    '
-    input.scss 17:11  root stylesheet
+    input.scss 19:11  root stylesheet
diff --git a/spec/libsass/lists.hrx b/spec/libsass/lists.hrx
index e46466a8ad..e8f43d74fd 100644
--- a/spec/libsass/lists.hrx
+++ b/spec/libsass/lists.hrx
@@ -1,27 +1,29 @@
 <===> input.scss
+@use "sass:list";
+@use "sass:meta";
 div {
-  $list: append(1/2 3, 4);
+  $list: list.append(1/2 3, 4);
   content: (1 2 3) == (1, 2, 3);
   content: (1 2 3) == (1 2 3);
   content: var $list;
   content: lit (1/2 3 4);
   content: (1/2 3 4) == $list;
-  a: length((1/2 3 4)), length($list);
-  b: nth((1/2 3 4), 1), nth($list, 1);
+  a: list.length((1/2 3 4)), list.length($list);
+  b: list.nth((1/2 3 4), 1), list.nth($list, 1);
   content: (1/2 3 4) == (1/2 3 4);
   /***/
-  content: length($list);
-  content: type-of(nth($list, 1));
-  content: nth($list, 1);
-  content: nth(1/2 3 4, 1);
+  content: list.length($list);
+  content: meta.type-of(list.nth($list, 1));
+  content: list.nth($list, 1);
+  content: list.nth(1/2 3 4, 1);
   $a: 1 2 3;
   $b: (1 2 3);
   content: $a == $b;
   content: 1 2 () 3;
   color: red == #ff0000;
   $color-list : fudge red blue;
-  color: nth($color-list, 2) == #ff0000;
-  color: nth($color-list, 2) == red;
+  color: list.nth($color-list, 2) == #ff0000;
+  color: list.nth($color-list, 2) == red;
 }
 <===> output.css
 div {
@@ -52,11 +54,11 @@ Recommendation: math.div(1, 2)
 
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
-  ,
-9 |   b: nth((1/2 3 4), 1), nth($list, 1);
-  |      ^^^^^^^^^^^^^^^^^
-  '
-    input.scss 9:6  root stylesheet
+   ,
+11 |   b: list.nth((1/2 3 4), 1), list.nth($list, 1);
+   |      ^^^^^^^^^^^^^^^^^^^^^^
+   '
+    input.scss 11:6  root stylesheet
 
 DEPRECATION WARNING: Using / for division is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -64,11 +66,11 @@ Recommendation: math.div(1, 2)
 
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
-  ,
-9 |   b: nth((1/2 3 4), 1), nth($list, 1);
-  |                         ^^^^^^^^^^^^^
-  '
-    input.scss 9:25  root stylesheet
+   ,
+11 |   b: list.nth((1/2 3 4), 1), list.nth($list, 1);
+   |                              ^^^^^^^^^^^^^^^^^^
+   '
+    input.scss 11:30  root stylesheet
 
 DEPRECATION WARNING: Using / for division is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -77,10 +79,10 @@ Recommendation: math.div(1, 2)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
    ,
-13 |   content: type-of(nth($list, 1));
-   |                    ^^^^^^^^^^^^^
+15 |   content: meta.type-of(list.nth($list, 1));
+   |                         ^^^^^^^^^^^^^^^^^^
    '
-    input.scss 13:20  root stylesheet
+    input.scss 15:25  root stylesheet
 
 DEPRECATION WARNING: Using / for division is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -89,10 +91,10 @@ Recommendation: math.div(1, 2)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
    ,
-14 |   content: nth($list, 1);
-   |            ^^^^^^^^^^^^^
+16 |   content: list.nth($list, 1);
+   |            ^^^^^^^^^^^^^^^^^^
    '
-    input.scss 14:12  root stylesheet
+    input.scss 16:12  root stylesheet
 
 DEPRECATION WARNING: Using / for division is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -101,7 +103,7 @@ Recommendation: math.div(1, 2)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
    ,
-15 |   content: nth(1/2 3 4, 1);
-   |            ^^^^^^^^^^^^^^^
+17 |   content: list.nth(1/2 3 4, 1);
+   |            ^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 15:12  root stylesheet
+    input.scss 17:12  root stylesheet
diff --git a/spec/libsass/mixin.hrx b/spec/libsass/mixin.hrx
index 8c109d8249..11c438f00f 100644
--- a/spec/libsass/mixin.hrx
+++ b/spec/libsass/mixin.hrx
@@ -1,11 +1,14 @@
 <===> input.scss
+@use "sass:list";
+@use "sass:math";
+@use "sass:string";
 // @charset "UTF-8";
 
 @mixin background-image-retina($file, $type, $width, $height) {
-  background-image: unquote(image-url("#{$file}.#{$type}", true));
-  hey: length(a b c d);
-  ho: unquote("hello");
-  hee: unquote(unit(10fudge));
+  background-image: string.unquote(image-url("#{$file}.#{$type}", true));
+  hey: list.length(a b c d);
+  ho: string.unquote("hello");
+  hee: string.unquote(math.unit(10fudge));
 
   @media (-webkit-min-device-pixel-ratio: 2), (-moz-min-device-pixel-ratio: 2) {
     & {
@@ -49,7 +52,7 @@ div {
   @include bar(1);
   @include bar($x: n1, $y: n2);
   @include bar($x: n1);
-  blah: unquote("hello");
+  blah: string.unquote("hello");
 }
 <===> output.css
 div {
@@ -99,15 +102,15 @@ rule. To opt into the new behavior, wrap the declaration in `& {}`.
 More info: https://sass-lang.com/d/mixed-decls
 
     ,
-9   | /   @media (-webkit-min-device-pixel-ratio: 2), (-moz-min-device-pixel-ratio: 2) {
-10  | |     & {
-11  | |       background-image: image-url("#{$file}@2x.#{$type}");
-12  | |       -webkit-background-size: $width $height;
-13  | |     }
-14  | |   }
+12  | /   @media (-webkit-min-device-pixel-ratio: 2), (-moz-min-device-pixel-ratio: 2) {
+13  | |     & {
+14  | |       background-image: image-url("#{$file}@2x.#{$type}");
+15  | |       -webkit-background-size: $width $height;
+16  | |     }
+17  | |   }
     | '--- nested rule
 ... |
-22  |     fudge: walnut;
+25  |     fudge: walnut;
     |     ^^^^^^^^^^^^^ declaration
     '
-    input.scss 22:3  root stylesheet
+    input.scss 25:3  root stylesheet
diff --git a/spec/libsass/parent-selector/missing.hrx b/spec/libsass/parent-selector/missing.hrx
index 9022c10acf..19051d33c1 100644
--- a/spec/libsass/parent-selector/missing.hrx
+++ b/spec/libsass/parent-selector/missing.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:map";
 $tablet-portrait:                 768px;
 $tablet-landscape:                980px;
 $desk-normal:                     1120px;
@@ -26,7 +27,7 @@ $grid-breakpoints-immobile: (
   }
 }
 
-@each $name in map-keys($grid-breakpoints-immobile) {
+@each $name in map.keys($grid-breakpoints-immobile) {
   @include grid-media-query($name, $grid-breakpoints-immobile) {
     body.immobile & {
       margin-bottom: 0;
@@ -37,9 +38,9 @@ $grid-breakpoints-immobile: (
 <===> error
 Error: Top-level selectors may not contain the parent selector "&".
    ,
-30 |     body.immobile & {
+31 |     body.immobile & {
    |                   ^
    '
-  input.scss 30:19  @content
-  input.scss 22:9   grid-media-query()
-  input.scss 29:3   root stylesheet
+  input.scss 31:19  @content
+  input.scss 23:9   grid-media-query()
+  input.scss 30:3   root stylesheet
diff --git a/spec/libsass/precision/default.hrx b/spec/libsass/precision/default.hrx
index 5b782743e0..4fb913b8ac 100644
--- a/spec/libsass/precision/default.hrx
+++ b/spec/libsass/precision/default.hrx
@@ -1,9 +1,10 @@
 <===> input.scss
+@use "sass:math";
 test {
-  foo: 0.4999 round(0.4999);
-  bar: 0.49999 round(0.49999);
-  baz: 0.499999 round(0.499999);
-  baz: 0.49999999999 round(0.49999999999);
+  foo: 0.4999 math.round(0.4999);
+  bar: 0.49999 math.round(0.49999);
+  baz: 0.499999 math.round(0.499999);
+  baz: 0.49999999999 math.round(0.49999999999);
 }
 
 <===> output.css
diff --git a/spec/libsass/precision/higher.hrx b/spec/libsass/precision/higher.hrx
index 8eec79dee9..37df1f0103 100644
--- a/spec/libsass/precision/higher.hrx
+++ b/spec/libsass/precision/higher.hrx
@@ -3,10 +3,11 @@
 :precision: 6
 
 <===> input.scss
+@use "sass:math";
 test {
-  foo: 0.4999 round(0.4999);
-  bar: 0.49999 round(0.49999);
-  baz: 0.499999 round(0.499999);
+  foo: 0.4999 math.round(0.4999);
+  bar: 0.49999 math.round(0.49999);
+  baz: 0.499999 math.round(0.499999);
 }
 <===> output.css
 test {
diff --git a/spec/libsass/precision/lower.hrx b/spec/libsass/precision/lower.hrx
index 96fad466d9..a5e334afd0 100644
--- a/spec/libsass/precision/lower.hrx
+++ b/spec/libsass/precision/lower.hrx
@@ -3,10 +3,11 @@
 :precision: 4
 
 <===> input.scss
+@use "sass:math";
 test {
-  foo: 0.4999 round(0.4999);
-  bar: 0.49999 round(0.49999);
-  baz: 0.499999 round(0.499999);
+  foo: 0.4999 math.round(0.4999);
+  bar: 0.49999 math.round(0.49999);
+  baz: 0.499999 math.round(0.499999);
 }
 <===> output.css
 test {
diff --git a/spec/libsass/selector-functions/selector-length.hrx b/spec/libsass/selector-functions/selector-length.hrx
index 715c900a3e..230e99b5b0 100644
--- a/spec/libsass/selector-functions/selector-length.hrx
+++ b/spec/libsass/selector-functions/selector-length.hrx
@@ -1,8 +1,9 @@
 <===> input.scss
+@use "sass:list";
 foo.bar.baz asd.qwe xyz, second {
-  length: length(&);
-  length: length(nth(&, 1));
-  length: length(nth(nth(&, 1), 1));
+  length: list.length(&);
+  length: list.length(list.nth(&, 1));
+  length: list.length(list.nth(list.nth(&, 1), 1));
 }
 <===> output.css
 foo.bar.baz asd.qwe xyz, second {
diff --git a/spec/libsass/selector-functions/simple-selector.hrx b/spec/libsass/selector-functions/simple-selector.hrx
index bf40e8d875..835c09503d 100644
--- a/spec/libsass/selector-functions/simple-selector.hrx
+++ b/spec/libsass/selector-functions/simple-selector.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:selector";
 foo {
-  test-01: simple-selectors(".foo.bar");
-  test-02: simple-selectors(".foo.bar.baz");
+  test-01: selector.simple-selectors(".foo.bar");
+  test-02: selector.simple-selectors(".foo.bar.baz");
 }
 <===> output.css
 foo {
diff --git a/spec/libsass/selectors/function-argument.hrx b/spec/libsass/selectors/function-argument.hrx
index aa40a534f1..5ef8d7fb09 100644
--- a/spec/libsass/selectors/function-argument.hrx
+++ b/spec/libsass/selectors/function-argument.hrx
@@ -1,27 +1,28 @@
 <===> input.scss
+@use "sass:list";
 $Selectors: ();
 
 //////////////////////////////
 // Add selectors of various depths and makeups
 //////////////////////////////
 .foo {
-  $Selectors: append($Selectors, &) !global;
+  $Selectors: list.append($Selectors, &) !global;
 }
 
 .bar a {
-  $Selectors: append($Selectors, &) !global;
+  $Selectors: list.append($Selectors, &) !global;
 }
 
 .bar,
 .baz {
-  $Selectors: append($Selectors, &) !global;
+  $Selectors: list.append($Selectors, &) !global;
 }
 
 .qux {
   &.waldo {
     .where & {
       .final {
-        $Selectors: append($Selectors, &) !global;
+        $Selectors: list.append($Selectors, &) !global;
       }
     }
   }
@@ -31,12 +32,12 @@ $Selectors: ();
 // Display Results
 //////////////////////////////
 .result {
-  length: length($Selectors);
+  length: list.length($Selectors);
   content: $Selectors;
-  @for $i from 1 through length($Selectors) {
+  @for $i from 1 through list.length($Selectors) {
     index: $i;
-    length: length(nth($Selectors, $i));
-    content: nth($Selectors, $i);
+    length: list.length(list.nth($Selectors, $i));
+    content: list.nth($Selectors, $i);
   }
 }
 <===> output.css
diff --git a/spec/libsass/selectors/mixin-argument.hrx b/spec/libsass/selectors/mixin-argument.hrx
index 9f1a73ca71..ab85f17c8b 100644
--- a/spec/libsass/selectors/mixin-argument.hrx
+++ b/spec/libsass/selectors/mixin-argument.hrx
@@ -1,13 +1,15 @@
 <===> input.scss
+@use "sass:list";
+@use "sass:meta";
 @mixin selector-info($selector) {
-  type: type-of($selector);
-  length: length($selector);
+  type: meta.type-of($selector);
+  length: list.length($selector);
   content: $selector;
-  @for $i from 1 through length($selector) {
+  @for $i from 1 through list.length($selector) {
     index: $i;
-    length: length(nth($selector, $i));
-    type: type-of(nth($selector, $i));
-    content: nth($selector, $i);
+    length: list.length(list.nth($selector, $i));
+    type: meta.type-of(list.nth($selector, $i));
+    content: list.nth($selector, $i);
   }
 }
 
diff --git a/spec/libsass/test.hrx b/spec/libsass/test.hrx
index 066e162bee..92c50ef91b 100644
--- a/spec/libsass/test.hrx
+++ b/spec/libsass/test.hrx
@@ -1,4 +1,7 @@
 <===> input.scss
+@use "sass:color";
+@use "sass:list";
+@use "sass:math";
 $x: 3;
 
 div {
@@ -21,13 +24,13 @@ span {
   a: rgba(100, 20, 0, 1);
   b: rgba(#abc, 1);
   c: compact(hello, my, false, name, is, false, aaron, false, false);
-  d: join(1 2 3, 4 5 6, comma);
-  e: join(a b c, d e f);
-  f: change-color(#102030, $blue: 5);
-  g: change-color(#102030, $red: 120, $blue: 5);
+  d: list.join(1 2 3, 4 5 6, comma);
+  e: list.join(a b c, d e f);
+  f: color.change(#102030, $blue: 5);
+  g: color.change(#102030, $red: 120, $blue: 5);
   h: hsl(25, 100%, 80%);
-  h: change-color(#ffc499, $alpha: 0.8, $lightness: 40%);
-  h: change-color(hsl(25, 100%, 80%), $alpha: 0.8, $lightness: 40%);
+  h: color.change(#ffc499, $alpha: 0.8, $lightness: 40%);
+  h: color.change(hsl(25, 100%, 80%), $alpha: 0.8, $lightness: 40%);
   i: hsla(25, 100%, 40%, 0.8);
   foo: url("http://blah/flah/grah");
   foo: url(http://foo/bar/buzz.css);
@@ -44,11 +47,11 @@ span {
 
 div {
   flug: url(bug.mug);
-  krug: nth(1 2 3, 2px);
-  blug: nth(a b c d, 3);
-  flig: comparable(34, 22px) comparable(1%, 3) comparable(2, 1) comparable(4cm, 1in);
-  flug: comparable(1px, 2.3in) comparable(1%, 2pt);
-  flib: comparable(3ex, 2px) comparable(3em, 2cm);
+  krug: list.nth(1 2 3, 2px);
+  blug: list.nth(a b c d, 3);
+  flig: math.compatible(34, 22px) math.compatible(1%, 3) math.compatible(2, 1) math.compatible(4cm, 1in);
+  flug: math.compatible(1px, 2.3in) math.compatible(1%, 2pt);
+  flib: math.compatible(3ex, 2px) math.compatible(3em, 2cm);
   glib: not(fudge) not(false) not(0) not(red);
   trib: if(red, yellow, not taken);
   trub: if(not(fudge), not taken, here we are);
@@ -157,7 +160,7 @@ To preserve current behavior: calc($n / 1px)
 More info: https://sass-lang.com/d/function-units
 
    ,
-46 |   krug: nth(1 2 3, 2px);
-   |         ^^^^^^^^^^^^^^^
+49 |   krug: list.nth(1 2 3, 2px);
+   |         ^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 46:9  root stylesheet
+    input.scss 49:9  root stylesheet
diff --git a/spec/libsass/unary-ops.hrx b/spec/libsass/unary-ops.hrx
index 15ecd4eac0..3b1dfd88cb 100644
--- a/spec/libsass/unary-ops.hrx
+++ b/spec/libsass/unary-ops.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:meta";
 $x: 20%;
 
 div {
@@ -11,7 +12,7 @@ div {
   g: -hello;
   h: +hello;
   i: + hello;
-  j: type-of(+ hello);
+  j: meta.type-of(+ hello);
 }
 <===> output.css
 div {
diff --git a/spec/libsass/units/feature-test.hrx b/spec/libsass/units/feature-test.hrx
index 6dbf81295e..ba99f2e140 100644
--- a/spec/libsass/units/feature-test.hrx
+++ b/spec/libsass/units/feature-test.hrx
@@ -1,5 +1,6 @@
 <===> input.scss
-@if feature-exists(units-level-3) {
+@use "sass:meta";
+@if meta.feature-exists(units-level-3) {
   div {
     feature: true;
   }
diff --git a/spec/libsass/units/simple.hrx b/spec/libsass/units/simple.hrx
index cebc600dc1..7e8e61b448 100644
--- a/spec/libsass/units/simple.hrx
+++ b/spec/libsass/units/simple.hrx
@@ -1,9 +1,10 @@
 <===> input.scss
+@use "sass:math";
 div {
   hey: ((5in + 3cm) * 10px * 100pt * 10fu / 2px / 2fu / 3pt);
   ho: (23in/2fu) > (23cm/2fu);
-  hoo: unit((23px/2fu/12emu/1.2gnu));
-  hee: unit((2in/3cm/4cm));
+  hoo: math.unit((23px/2fu/12emu/1.2gnu));
+  hee: math.unit((2in/3cm/4cm));
 }
 <===> output.css
 div {
@@ -21,10 +22,10 @@ Recommendation: math.div((5in + 3cm) * 10px * 100pt * 10fu, 2px) or calc((5in +
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-2 |   hey: ((5in + 3cm) * 10px * 100pt * 10fu / 2px / 2fu / 3pt);
+3 |   hey: ((5in + 3cm) * 10px * 100pt * 10fu / 2px / 2fu / 3pt);
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 2:9  root stylesheet
+    input.scss 3:9  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -33,10 +34,10 @@ Recommendation: math.div(math.div((5in + 3cm) * 10px * 100pt * 10fu, 2px), 2fu)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-2 |   hey: ((5in + 3cm) * 10px * 100pt * 10fu / 2px / 2fu / 3pt);
+3 |   hey: ((5in + 3cm) * 10px * 100pt * 10fu / 2px / 2fu / 3pt);
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 2:9  root stylesheet
+    input.scss 3:9  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -45,10 +46,10 @@ Recommendation: math.div(math.div(math.div((5in + 3cm) * 10px * 100pt * 10fu, 2p
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-2 |   hey: ((5in + 3cm) * 10px * 100pt * 10fu / 2px / 2fu / 3pt);
+3 |   hey: ((5in + 3cm) * 10px * 100pt * 10fu / 2px / 2fu / 3pt);
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 2:9  root stylesheet
+    input.scss 3:9  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -57,10 +58,10 @@ Recommendation: math.div(23in, 2fu) or calc(23in / 2fu)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-3 |   ho: (23in/2fu) > (23cm/2fu);
+4 |   ho: (23in/2fu) > (23cm/2fu);
   |        ^^^^^^^^
   '
-    input.scss 3:8  root stylesheet
+    input.scss 4:8  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -69,10 +70,10 @@ Recommendation: math.div(23cm, 2fu) or calc(23cm / 2fu)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-3 |   ho: (23in/2fu) > (23cm/2fu);
+4 |   ho: (23in/2fu) > (23cm/2fu);
   |                     ^^^^^^^^
   '
-    input.scss 3:21  root stylesheet
+    input.scss 4:21  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -81,10 +82,10 @@ Recommendation: math.div(23px, 2fu) or calc(23px / 2fu)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-4 |   hoo: unit((23px/2fu/12emu/1.2gnu));
-  |              ^^^^^^^^
+5 |   hoo: math.unit((23px/2fu/12emu/1.2gnu));
+  |                   ^^^^^^^^
   '
-    input.scss 4:14  root stylesheet
+    input.scss 5:19  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -93,10 +94,10 @@ Recommendation: math.div(math.div(23px, 2fu), 12emu) or calc(23px / 2fu / 12emu)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-4 |   hoo: unit((23px/2fu/12emu/1.2gnu));
-  |              ^^^^^^^^^^^^^^
+5 |   hoo: math.unit((23px/2fu/12emu/1.2gnu));
+  |                   ^^^^^^^^^^^^^^
   '
-    input.scss 4:14  root stylesheet
+    input.scss 5:19  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -105,10 +106,10 @@ Recommendation: math.div(math.div(math.div(23px, 2fu), 12emu), 1.2gnu) or calc(2
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-4 |   hoo: unit((23px/2fu/12emu/1.2gnu));
-  |              ^^^^^^^^^^^^^^^^^^^^^
+5 |   hoo: math.unit((23px/2fu/12emu/1.2gnu));
+  |                   ^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 4:14  root stylesheet
+    input.scss 5:19  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -117,10 +118,10 @@ Recommendation: math.div(2in, 3cm) or calc(2in / 3cm)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-5 |   hee: unit((2in/3cm/4cm));
-  |              ^^^^^^^
+6 |   hee: math.unit((2in/3cm/4cm));
+  |                   ^^^^^^^
   '
-    input.scss 5:14  root stylesheet
+    input.scss 6:19  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -129,7 +130,7 @@ Recommendation: math.div(math.div(2in, 3cm), 4cm) or calc(2in / 3cm / 4cm)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-5 |   hee: unit((2in/3cm/4cm));
-  |              ^^^^^^^^^^^
+6 |   hee: math.unit((2in/3cm/4cm));
+  |                   ^^^^^^^^^^^
   '
-    input.scss 5:14  root stylesheet
+    input.scss 6:19  root stylesheet
diff --git a/spec/libsass/variable-scoping/blead-global/expanding/at-root.hrx b/spec/libsass/variable-scoping/blead-global/expanding/at-root.hrx
index b86887fbd3..fb94fe3b61 100644
--- a/spec/libsass/variable-scoping/blead-global/expanding/at-root.hrx
+++ b/spec/libsass/variable-scoping/blead-global/expanding/at-root.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:meta";
 $root_default: initial;
 $root_implicit: initial;
 $root_explicit: initial !global;
@@ -24,13 +25,13 @@ result {
   root_default: $root_default;
   root_implicit: $root_implicit;
   root_explicit: $root_explicit;
-  @if variable-exists(local_default) {
+  @if meta.variable-exists(local_default) {
     local_default: $local_default;
   }
-  @if variable-exists(local_implicit) {
+  @if meta.variable-exists(local_implicit) {
     local_implicit: $local_implicit;
   }
-  @if variable-exists(local_explicit) {
+  @if meta.variable-exists(local_explicit) {
     local_explicit: $local_explicit;
   }
 }
@@ -50,17 +51,17 @@ Since this assignment is at the root of the stylesheet, the !global flag is
 unnecessary and can safely be removed.
 
   ,
-3 | $root_explicit: initial !global;
+4 | $root_explicit: initial !global;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 3:1  root stylesheet
+    input.scss 4:1  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$local_explicit: null` at the stylesheet root.
 
    ,
-10 |   $local_explicit: outer !global;
+11 |   $local_explicit: outer !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 10:3  root stylesheet
+    input.scss 11:3  root stylesheet
diff --git a/spec/libsass/variable-scoping/blead-global/expanding/each.hrx b/spec/libsass/variable-scoping/blead-global/expanding/each.hrx
index cfd674c13f..a6499b2f10 100644
--- a/spec/libsass/variable-scoping/blead-global/expanding/each.hrx
+++ b/spec/libsass/variable-scoping/blead-global/expanding/each.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:meta";
 $root_default: initial;
 $root_implicit: initial;
 $root_explicit: initial !global;
@@ -21,22 +22,22 @@ $root_explicit: initial !global;
 }
 
 result {
-  @if variable-exists(outer) {
+  @if meta.variable-exists(outer) {
     outer: $outer;
   }
-  @if variable-exists(inner) {
+  @if meta.variable-exists(inner) {
     inner: $inner;
   }
   root_default: $root_default;
   root_implicit: $root_implicit;
   root_explicit: $root_explicit;
-  @if variable-exists(local_default) {
+  @if meta.variable-exists(local_default) {
     local_default: $local_default;
   }
-  @if variable-exists(local_implicit) {
+  @if meta.variable-exists(local_implicit) {
     local_implicit: $local_implicit;
   }
-  @if variable-exists(local_explicit) {
+  @if meta.variable-exists(local_explicit) {
     local_explicit: $local_explicit;
   }
 }
@@ -56,17 +57,17 @@ Since this assignment is at the root of the stylesheet, the !global flag is
 unnecessary and can safely be removed.
 
   ,
-3 | $root_explicit: initial !global;
+4 | $root_explicit: initial !global;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 3:1  root stylesheet
+    input.scss 4:1  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$local_explicit: null` at the stylesheet root.
 
    ,
-10 |   $local_explicit: outer !global;
+11 |   $local_explicit: outer !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 10:3  root stylesheet
+    input.scss 11:3  root stylesheet
diff --git a/spec/libsass/variable-scoping/blead-global/expanding/else.hrx b/spec/libsass/variable-scoping/blead-global/expanding/else.hrx
index f47a669f0a..eb3e2c1e86 100644
--- a/spec/libsass/variable-scoping/blead-global/expanding/else.hrx
+++ b/spec/libsass/variable-scoping/blead-global/expanding/else.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:meta";
 $root_default: initial;
 $root_implicit: initial;
 $root_explicit: initial !global;
@@ -30,13 +31,13 @@ result {
   root_default: $root_default;
   root_implicit: $root_implicit;
   root_explicit: $root_explicit;
-  @if variable-exists(local_default) {
+  @if meta.variable-exists(local_default) {
     local_default: $local_default;
   }
-  @if variable-exists(local_implicit) {
+  @if meta.variable-exists(local_implicit) {
     local_implicit: $local_implicit;
   }
-  @if variable-exists(local_explicit) {
+  @if meta.variable-exists(local_explicit) {
     local_explicit: $local_explicit;
   }
 }
@@ -56,17 +57,17 @@ Since this assignment is at the root of the stylesheet, the !global flag is
 unnecessary and can safely be removed.
 
   ,
-3 | $root_explicit: initial !global;
+4 | $root_explicit: initial !global;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 3:1  root stylesheet
+    input.scss 4:1  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$local_explicit: null` at the stylesheet root.
 
    ,
-13 |   $local_explicit: outer !global;
+14 |   $local_explicit: outer !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 13:3  root stylesheet
+    input.scss 14:3  root stylesheet
diff --git a/spec/libsass/variable-scoping/blead-global/expanding/elseif.hrx b/spec/libsass/variable-scoping/blead-global/expanding/elseif.hrx
index 17360156fb..0a241ce8b0 100644
--- a/spec/libsass/variable-scoping/blead-global/expanding/elseif.hrx
+++ b/spec/libsass/variable-scoping/blead-global/expanding/elseif.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:meta";
 $root_default: initial;
 $root_implicit: initial;
 $root_explicit: initial !global;
@@ -30,13 +31,13 @@ result {
   root_default: $root_default;
   root_implicit: $root_implicit;
   root_explicit: $root_explicit;
-  @if variable-exists(local_default) {
+  @if meta.variable-exists(local_default) {
     local_default: $local_default;
   }
-  @if variable-exists(local_implicit) {
+  @if meta.variable-exists(local_implicit) {
     local_implicit: $local_implicit;
   }
-  @if variable-exists(local_explicit) {
+  @if meta.variable-exists(local_explicit) {
     local_explicit: $local_explicit;
   }
 }
@@ -56,17 +57,17 @@ Since this assignment is at the root of the stylesheet, the !global flag is
 unnecessary and can safely be removed.
 
   ,
-3 | $root_explicit: initial !global;
+4 | $root_explicit: initial !global;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 3:1  root stylesheet
+    input.scss 4:1  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$local_explicit: null` at the stylesheet root.
 
    ,
-13 |   $local_explicit: outer !global;
+14 |   $local_explicit: outer !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 13:3  root stylesheet
+    input.scss 14:3  root stylesheet
diff --git a/spec/libsass/variable-scoping/blead-global/expanding/for.hrx b/spec/libsass/variable-scoping/blead-global/expanding/for.hrx
index fa8f74d2bf..58d14e16d4 100644
--- a/spec/libsass/variable-scoping/blead-global/expanding/for.hrx
+++ b/spec/libsass/variable-scoping/blead-global/expanding/for.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:meta";
 $continue: true;
 $root_default: initial;
 $root_implicit: initial;
@@ -22,22 +23,22 @@ $root_explicit: initial !global;
 }
 
 result {
-  @if variable-exists(outer) {
+  @if meta.variable-exists(outer) {
     outer: $outer;
   }
-  @if variable-exists(inner) {
+  @if meta.variable-exists(inner) {
     inner: $inner;
   }
   root_default: $root_default;
   root_implicit: $root_implicit;
   root_explicit: $root_explicit;
-  @if variable-exists(local_default) {
+  @if meta.variable-exists(local_default) {
     local_default: $local_default;
   }
-  @if variable-exists(local_implicit) {
+  @if meta.variable-exists(local_implicit) {
     local_implicit: $local_implicit;
   }
-  @if variable-exists(local_explicit) {
+  @if meta.variable-exists(local_explicit) {
     local_explicit: $local_explicit;
   }
 }
@@ -57,17 +58,17 @@ Since this assignment is at the root of the stylesheet, the !global flag is
 unnecessary and can safely be removed.
 
   ,
-4 | $root_explicit: initial !global;
+5 | $root_explicit: initial !global;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 4:1  root stylesheet
+    input.scss 5:1  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$local_explicit: null` at the stylesheet root.
 
    ,
-11 |   $local_explicit: outer !global;
+12 |   $local_explicit: outer !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 11:3  root stylesheet
+    input.scss 12:3  root stylesheet
diff --git a/spec/libsass/variable-scoping/blead-global/expanding/function.hrx b/spec/libsass/variable-scoping/blead-global/expanding/function.hrx
index 27d9215b7d..8efe333caf 100644
--- a/spec/libsass/variable-scoping/blead-global/expanding/function.hrx
+++ b/spec/libsass/variable-scoping/blead-global/expanding/function.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:meta";
 $continue_inner: true;
 $continue_outer: true;
 $root_default: initial;
@@ -27,22 +28,22 @@ $root_explicit: initial !global;
 
 result {
   fn: fn();
-  @if variable-exists(continue_outer) {
+  @if meta.variable-exists(continue_outer) {
     continue_outer: $continue_outer;
   }
-  @if variable-exists(continue_inner) {
+  @if meta.variable-exists(continue_inner) {
     continue_inner: $continue_inner;
   }
   root_default: $root_default;
   root_implicit: $root_implicit;
   root_explicit: $root_explicit;
-  @if variable-exists(local_default) {
+  @if meta.variable-exists(local_default) {
     local_default: $local_default;
   }
-  @if variable-exists(local_implicit) {
+  @if meta.variable-exists(local_implicit) {
     local_implicit: $local_implicit;
   }
-  @if variable-exists(local_explicit) {
+  @if meta.variable-exists(local_explicit) {
     local_explicit: $local_explicit;
   }
 }
@@ -64,18 +65,18 @@ Since this assignment is at the root of the stylesheet, the !global flag is
 unnecessary and can safely be removed.
 
   ,
-5 | $root_explicit: initial !global;
+6 | $root_explicit: initial !global;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 5:1  root stylesheet
+    input.scss 6:1  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$local_explicit: null` at the stylesheet root.
 
    ,
-12 |   $local_explicit: outer !global;
+13 |   $local_explicit: outer !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 12:3  fn()
-    input.scss 28:7  root stylesheet
+    input.scss 13:3  fn()
+    input.scss 29:7  root stylesheet
diff --git a/spec/libsass/variable-scoping/blead-global/expanding/if.hrx b/spec/libsass/variable-scoping/blead-global/expanding/if.hrx
index 982e4086cb..43a9f54e65 100644
--- a/spec/libsass/variable-scoping/blead-global/expanding/if.hrx
+++ b/spec/libsass/variable-scoping/blead-global/expanding/if.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:meta";
 $root_default: initial;
 $root_implicit: initial;
 $root_explicit: initial !global;
@@ -24,13 +25,13 @@ result {
   root_default: $root_default;
   root_implicit: $root_implicit;
   root_explicit: $root_explicit;
-  @if variable-exists(local_default) {
+  @if meta.variable-exists(local_default) {
     local_default: $local_default;
   }
-  @if variable-exists(local_implicit) {
+  @if meta.variable-exists(local_implicit) {
     local_implicit: $local_implicit;
   }
-  @if variable-exists(local_explicit) {
+  @if meta.variable-exists(local_explicit) {
     local_explicit: $local_explicit;
   }
 }
@@ -50,17 +51,17 @@ Since this assignment is at the root of the stylesheet, the !global flag is
 unnecessary and can safely be removed.
 
   ,
-3 | $root_explicit: initial !global;
+4 | $root_explicit: initial !global;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 3:1  root stylesheet
+    input.scss 4:1  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$local_explicit: null` at the stylesheet root.
 
    ,
-10 |   $local_explicit: outer !global;
+11 |   $local_explicit: outer !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 10:3  root stylesheet
+    input.scss 11:3  root stylesheet
diff --git a/spec/libsass/variable-scoping/blead-global/expanding/mixin.hrx b/spec/libsass/variable-scoping/blead-global/expanding/mixin.hrx
index 9bc75c9b19..597c026d9e 100644
--- a/spec/libsass/variable-scoping/blead-global/expanding/mixin.hrx
+++ b/spec/libsass/variable-scoping/blead-global/expanding/mixin.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:meta";
 $root_default: initial;
 $root_implicit: initial;
 $root_explicit: initial !global;
@@ -28,13 +29,13 @@ result {
   root_default: $root_default;
   root_implicit: $root_implicit;
   root_explicit: $root_explicit;
-  @if variable-exists(local_default) {
+  @if meta.variable-exists(local_default) {
     local_default: $local_default;
   }
-  @if variable-exists(local_implicit) {
+  @if meta.variable-exists(local_implicit) {
     local_implicit: $local_implicit;
   }
-  @if variable-exists(local_explicit) {
+  @if meta.variable-exists(local_explicit) {
     local_explicit: $local_explicit;
   }
 }
@@ -54,18 +55,18 @@ Since this assignment is at the root of the stylesheet, the !global flag is
 unnecessary and can safely be removed.
 
   ,
-3 | $root_explicit: initial !global;
+4 | $root_explicit: initial !global;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 3:1  root stylesheet
+    input.scss 4:1  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$local_explicit: null` at the stylesheet root.
 
    ,
-19 |   $local_explicit: outer !global;
+20 |   $local_explicit: outer !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 19:3  set-variable-outer()
-    input.scss 24:1  root stylesheet
+    input.scss 20:3  set-variable-outer()
+    input.scss 25:1  root stylesheet
diff --git a/spec/libsass/variable-scoping/blead-global/expanding/ruleset.hrx b/spec/libsass/variable-scoping/blead-global/expanding/ruleset.hrx
index 93a9e14499..dee6efcf3d 100644
--- a/spec/libsass/variable-scoping/blead-global/expanding/ruleset.hrx
+++ b/spec/libsass/variable-scoping/blead-global/expanding/ruleset.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:meta";
 $root_default: initial;
 $root_implicit: initial;
 $root_explicit: initial !global;
@@ -24,13 +25,13 @@ result {
   root_default: $root_default;
   root_implicit: $root_implicit;
   root_explicit: $root_explicit;
-  @if variable-exists(local_default) {
+  @if meta.variable-exists(local_default) {
     local_default: $local_default;
   }
-  @if variable-exists(local_implicit) {
+  @if meta.variable-exists(local_implicit) {
     local_implicit: $local_implicit;
   }
-  @if variable-exists(local_explicit) {
+  @if meta.variable-exists(local_explicit) {
     local_explicit: $local_explicit;
   }
 }
@@ -50,17 +51,17 @@ Since this assignment is at the root of the stylesheet, the !global flag is
 unnecessary and can safely be removed.
 
   ,
-3 | $root_explicit: initial !global;
+4 | $root_explicit: initial !global;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 3:1  root stylesheet
+    input.scss 4:1  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$local_explicit: null` at the stylesheet root.
 
    ,
-10 |   $local_explicit: outer !global;
+11 |   $local_explicit: outer !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 10:3  root stylesheet
+    input.scss 11:3  root stylesheet
diff --git a/spec/libsass/variable-scoping/blead-global/expanding/while.hrx b/spec/libsass/variable-scoping/blead-global/expanding/while.hrx
index 0b46b58c92..96691cb5fb 100644
--- a/spec/libsass/variable-scoping/blead-global/expanding/while.hrx
+++ b/spec/libsass/variable-scoping/blead-global/expanding/while.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:meta";
 $continue_inner: true;
 $continue_outer: true;
 $root_default: initial;
@@ -25,22 +26,22 @@ $root_explicit: initial !global;
 }
 
 result {
-  @if variable-exists(continue_outer) {
+  @if meta.variable-exists(continue_outer) {
     continue_outer: $continue_outer;
   }
-  @if variable-exists(continue_inner) {
+  @if meta.variable-exists(continue_inner) {
     continue_inner: $continue_inner;
   }
   root_default: $root_default;
   root_implicit: $root_implicit;
   root_explicit: $root_explicit;
-  @if variable-exists(local_default) {
+  @if meta.variable-exists(local_default) {
     local_default: $local_default;
   }
-  @if variable-exists(local_implicit) {
+  @if meta.variable-exists(local_implicit) {
     local_implicit: $local_implicit;
   }
-  @if variable-exists(local_explicit) {
+  @if meta.variable-exists(local_explicit) {
     local_explicit: $local_explicit;
   }
 }
@@ -62,17 +63,17 @@ Since this assignment is at the root of the stylesheet, the !global flag is
 unnecessary and can safely be removed.
 
   ,
-5 | $root_explicit: initial !global;
+6 | $root_explicit: initial !global;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 5:1  root stylesheet
+    input.scss 6:1  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$local_explicit: null` at the stylesheet root.
 
    ,
-12 |   $local_explicit: outer !global;
+13 |   $local_explicit: outer !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 12:3  root stylesheet
+    input.scss 13:3  root stylesheet
diff --git a/spec/libsass/variable-scoping/blead-global/functional/each.hrx b/spec/libsass/variable-scoping/blead-global/functional/each.hrx
index 9f6ddbff31..896f588451 100644
--- a/spec/libsass/variable-scoping/blead-global/functional/each.hrx
+++ b/spec/libsass/variable-scoping/blead-global/functional/each.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:meta";
 $root_default: initial;
 $root_implicit: initial;
 $root_explicit: initial !global;
@@ -28,31 +29,31 @@ $root_explicit: initial !global;
 
 result {
   fn: fn();
-  @if variable-exists(outer) {
+  @if meta.variable-exists(outer) {
     outer: $outer;
   }
-  @if variable-exists(inner) {
+  @if meta.variable-exists(inner) {
     inner: $inner;
   }
-  @if variable-exists(check_implicit) {
+  @if meta.variable-exists(check_implicit) {
     check_implicit: $check_implicit;
   }
-  @if variable-exists(check_explicit) {
+  @if meta.variable-exists(check_explicit) {
     check_explicit: $check_explicit;
   }
-  @if variable-exists(check_default) {
+  @if meta.variable-exists(check_default) {
     check_default: $check_default;
   }
   root_default: $root_default;
   root_implicit: $root_implicit;
   root_explicit: $root_explicit;
-  @if variable-exists(local_default) {
+  @if meta.variable-exists(local_default) {
     local_default: $local_default;
   }
-  @if variable-exists(local_implicit) {
+  @if meta.variable-exists(local_implicit) {
     local_implicit: $local_implicit;
   }
-  @if variable-exists(local_explicit) {
+  @if meta.variable-exists(local_explicit) {
     local_explicit: $local_explicit;
   }
 }
@@ -75,51 +76,51 @@ Since this assignment is at the root of the stylesheet, the !global flag is
 unnecessary and can safely be removed.
 
   ,
-3 | $root_explicit: initial !global;
+4 | $root_explicit: initial !global;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 3:1  root stylesheet
+    input.scss 4:1  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$local_explicit: null` at the stylesheet root.
 
    ,
-11 |     $local_explicit: outer !global;
+12 |     $local_explicit: outer !global;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 11:5  fn()
-    input.scss 29:7  root stylesheet
+    input.scss 12:5  fn()
+    input.scss 30:7  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$check_implicit: null` at the stylesheet root.
 
    ,
-22 |   $check_implicit: $root_implicit !global;
+23 |   $check_implicit: $root_implicit !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 22:3  fn()
-    input.scss 29:7  root stylesheet
+    input.scss 23:3  fn()
+    input.scss 30:7  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$check_explicit: null` at the stylesheet root.
 
    ,
-23 |   $check_explicit: $root_explicit !global;
+24 |   $check_explicit: $root_explicit !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 23:3  fn()
-    input.scss 29:7  root stylesheet
+    input.scss 24:3  fn()
+    input.scss 30:7  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$check_default: null` at the stylesheet root.
 
    ,
-24 |   $check_default: $root_default !global;
+25 |   $check_default: $root_default !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 24:3  fn()
-    input.scss 29:7  root stylesheet
+    input.scss 25:3  fn()
+    input.scss 30:7  root stylesheet
diff --git a/spec/libsass/variable-scoping/blead-global/functional/else.hrx b/spec/libsass/variable-scoping/blead-global/functional/else.hrx
index 82a88983e2..db098b78d4 100644
--- a/spec/libsass/variable-scoping/blead-global/functional/else.hrx
+++ b/spec/libsass/variable-scoping/blead-global/functional/else.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:meta";
 $root_default: initial;
 $root_implicit: initial;
 $root_explicit: initial !global;
@@ -34,31 +35,31 @@ $root_explicit: initial !global;
 
 result {
   fn: fn();
-  @if variable-exists(outer) {
+  @if meta.variable-exists(outer) {
     outer: $outer;
   }
-  @if variable-exists(inner) {
+  @if meta.variable-exists(inner) {
     inner: $inner;
   }
-  @if variable-exists(check_implicit) {
+  @if meta.variable-exists(check_implicit) {
     check_implicit: $check_implicit;
   }
-  @if variable-exists(check_explicit) {
+  @if meta.variable-exists(check_explicit) {
     check_explicit: $check_explicit;
   }
-  @if variable-exists(check_default) {
+  @if meta.variable-exists(check_default) {
     check_default: $check_default;
   }
   root_default: $root_default;
   root_implicit: $root_implicit;
   root_explicit: $root_explicit;
-  @if variable-exists(local_default) {
+  @if meta.variable-exists(local_default) {
     local_default: $local_default;
   }
-  @if variable-exists(local_implicit) {
+  @if meta.variable-exists(local_implicit) {
     local_implicit: $local_implicit;
   }
-  @if variable-exists(local_explicit) {
+  @if meta.variable-exists(local_explicit) {
     local_explicit: $local_explicit;
   }
 }
@@ -81,51 +82,51 @@ Since this assignment is at the root of the stylesheet, the !global flag is
 unnecessary and can safely be removed.
 
   ,
-3 | $root_explicit: initial !global;
+4 | $root_explicit: initial !global;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 3:1  root stylesheet
+    input.scss 4:1  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$local_explicit: null` at the stylesheet root.
 
    ,
-14 |     $local_explicit: outer !global;
+15 |     $local_explicit: outer !global;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 14:5  fn()
-    input.scss 35:7  root stylesheet
+    input.scss 15:5  fn()
+    input.scss 36:7  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$check_implicit: null` at the stylesheet root.
 
    ,
-28 |   $check_implicit: $root_implicit !global;
+29 |   $check_implicit: $root_implicit !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 28:3  fn()
-    input.scss 35:7  root stylesheet
+    input.scss 29:3  fn()
+    input.scss 36:7  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$check_explicit: null` at the stylesheet root.
 
    ,
-29 |   $check_explicit: $root_explicit !global;
+30 |   $check_explicit: $root_explicit !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 29:3  fn()
-    input.scss 35:7  root stylesheet
+    input.scss 30:3  fn()
+    input.scss 36:7  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$check_default: null` at the stylesheet root.
 
    ,
-30 |   $check_default: $root_default !global;
+31 |   $check_default: $root_default !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 30:3  fn()
-    input.scss 35:7  root stylesheet
+    input.scss 31:3  fn()
+    input.scss 36:7  root stylesheet
diff --git a/spec/libsass/variable-scoping/blead-global/functional/elseif.hrx b/spec/libsass/variable-scoping/blead-global/functional/elseif.hrx
index 25148d28e1..666b9a479d 100644
--- a/spec/libsass/variable-scoping/blead-global/functional/elseif.hrx
+++ b/spec/libsass/variable-scoping/blead-global/functional/elseif.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:meta";
 $root_default: initial;
 $root_implicit: initial;
 $root_explicit: initial !global;
@@ -34,31 +35,31 @@ $root_explicit: initial !global;
 
 result {
   fn: fn();
-  @if variable-exists(outer) {
+  @if meta.variable-exists(outer) {
     outer: $outer;
   }
-  @if variable-exists(inner) {
+  @if meta.variable-exists(inner) {
     inner: $inner;
   }
-  @if variable-exists(check_implicit) {
+  @if meta.variable-exists(check_implicit) {
     check_implicit: $check_implicit;
   }
-  @if variable-exists(check_explicit) {
+  @if meta.variable-exists(check_explicit) {
     check_explicit: $check_explicit;
   }
-  @if variable-exists(check_default) {
+  @if meta.variable-exists(check_default) {
     check_default: $check_default;
   }
   root_default: $root_default;
   root_implicit: $root_implicit;
   root_explicit: $root_explicit;
-  @if variable-exists(local_default) {
+  @if meta.variable-exists(local_default) {
     local_default: $local_default;
   }
-  @if variable-exists(local_implicit) {
+  @if meta.variable-exists(local_implicit) {
     local_implicit: $local_implicit;
   }
-  @if variable-exists(local_explicit) {
+  @if meta.variable-exists(local_explicit) {
     local_explicit: $local_explicit;
   }
 }
@@ -81,51 +82,51 @@ Since this assignment is at the root of the stylesheet, the !global flag is
 unnecessary and can safely be removed.
 
   ,
-3 | $root_explicit: initial !global;
+4 | $root_explicit: initial !global;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 3:1  root stylesheet
+    input.scss 4:1  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$local_explicit: null` at the stylesheet root.
 
    ,
-14 |     $local_explicit: outer !global;
+15 |     $local_explicit: outer !global;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 14:5  fn()
-    input.scss 35:7  root stylesheet
+    input.scss 15:5  fn()
+    input.scss 36:7  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$check_implicit: null` at the stylesheet root.
 
    ,
-28 |   $check_implicit: $root_implicit !global;
+29 |   $check_implicit: $root_implicit !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 28:3  fn()
-    input.scss 35:7  root stylesheet
+    input.scss 29:3  fn()
+    input.scss 36:7  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$check_explicit: null` at the stylesheet root.
 
    ,
-29 |   $check_explicit: $root_explicit !global;
+30 |   $check_explicit: $root_explicit !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 29:3  fn()
-    input.scss 35:7  root stylesheet
+    input.scss 30:3  fn()
+    input.scss 36:7  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$check_default: null` at the stylesheet root.
 
    ,
-30 |   $check_default: $root_default !global;
+31 |   $check_default: $root_default !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 30:3  fn()
-    input.scss 35:7  root stylesheet
+    input.scss 31:3  fn()
+    input.scss 36:7  root stylesheet
diff --git a/spec/libsass/variable-scoping/blead-global/functional/for.hrx b/spec/libsass/variable-scoping/blead-global/functional/for.hrx
index 82eae81a66..f15fdb3581 100644
--- a/spec/libsass/variable-scoping/blead-global/functional/for.hrx
+++ b/spec/libsass/variable-scoping/blead-global/functional/for.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:meta";
 $root_default: initial;
 $root_implicit: initial;
 $root_explicit: initial !global;
@@ -28,31 +29,31 @@ $root_explicit: initial !global;
 
 result {
   fn: fn();
-  @if variable-exists(outer) {
+  @if meta.variable-exists(outer) {
     outer: $outer;
   }
-  @if variable-exists(inner) {
+  @if meta.variable-exists(inner) {
     inner: $inner;
   }
-  @if variable-exists(check_implicit) {
+  @if meta.variable-exists(check_implicit) {
     check_implicit: $check_implicit;
   }
-  @if variable-exists(check_explicit) {
+  @if meta.variable-exists(check_explicit) {
     check_explicit: $check_explicit;
   }
-  @if variable-exists(check_default) {
+  @if meta.variable-exists(check_default) {
     check_default: $check_default;
   }
   root_default: $root_default;
   root_implicit: $root_implicit;
   root_explicit: $root_explicit;
-  @if variable-exists(local_default) {
+  @if meta.variable-exists(local_default) {
     local_default: $local_default;
   }
-  @if variable-exists(local_implicit) {
+  @if meta.variable-exists(local_implicit) {
     local_implicit: $local_implicit;
   }
-  @if variable-exists(local_explicit) {
+  @if meta.variable-exists(local_explicit) {
     local_explicit: $local_explicit;
   }
 }
@@ -75,51 +76,51 @@ Since this assignment is at the root of the stylesheet, the !global flag is
 unnecessary and can safely be removed.
 
   ,
-3 | $root_explicit: initial !global;
+4 | $root_explicit: initial !global;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 3:1  root stylesheet
+    input.scss 4:1  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$local_explicit: null` at the stylesheet root.
 
    ,
-11 |     $local_explicit: outer !global;
+12 |     $local_explicit: outer !global;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 11:5  fn()
-    input.scss 29:7  root stylesheet
+    input.scss 12:5  fn()
+    input.scss 30:7  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$check_implicit: null` at the stylesheet root.
 
    ,
-22 |   $check_implicit: $root_implicit !global;
+23 |   $check_implicit: $root_implicit !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 22:3  fn()
-    input.scss 29:7  root stylesheet
+    input.scss 23:3  fn()
+    input.scss 30:7  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$check_explicit: null` at the stylesheet root.
 
    ,
-23 |   $check_explicit: $root_explicit !global;
+24 |   $check_explicit: $root_explicit !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 23:3  fn()
-    input.scss 29:7  root stylesheet
+    input.scss 24:3  fn()
+    input.scss 30:7  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$check_default: null` at the stylesheet root.
 
    ,
-24 |   $check_default: $root_default !global;
+25 |   $check_default: $root_default !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 24:3  fn()
-    input.scss 29:7  root stylesheet
+    input.scss 25:3  fn()
+    input.scss 30:7  root stylesheet
diff --git a/spec/libsass/variable-scoping/blead-global/functional/if.hrx b/spec/libsass/variable-scoping/blead-global/functional/if.hrx
index d718766e4a..8a8d586a22 100644
--- a/spec/libsass/variable-scoping/blead-global/functional/if.hrx
+++ b/spec/libsass/variable-scoping/blead-global/functional/if.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:meta";
 $root_default: initial;
 $root_implicit: initial;
 $root_explicit: initial !global;
@@ -28,31 +29,31 @@ $root_explicit: initial !global;
 
 result {
   fn: fn();
-  @if variable-exists(outer) {
+  @if meta.variable-exists(outer) {
     outer: $outer;
   }
-  @if variable-exists(inner) {
+  @if meta.variable-exists(inner) {
     inner: $inner;
   }
-  @if variable-exists(check_implicit) {
+  @if meta.variable-exists(check_implicit) {
     check_implicit: $check_implicit;
   }
-  @if variable-exists(check_explicit) {
+  @if meta.variable-exists(check_explicit) {
     check_explicit: $check_explicit;
   }
-  @if variable-exists(check_default) {
+  @if meta.variable-exists(check_default) {
     check_default: $check_default;
   }
   root_default: $root_default;
   root_implicit: $root_implicit;
   root_explicit: $root_explicit;
-  @if variable-exists(local_default) {
+  @if meta.variable-exists(local_default) {
     local_default: $local_default;
   }
-  @if variable-exists(local_implicit) {
+  @if meta.variable-exists(local_implicit) {
     local_implicit: $local_implicit;
   }
-  @if variable-exists(local_explicit) {
+  @if meta.variable-exists(local_explicit) {
     local_explicit: $local_explicit;
   }
 }
@@ -75,51 +76,51 @@ Since this assignment is at the root of the stylesheet, the !global flag is
 unnecessary and can safely be removed.
 
   ,
-3 | $root_explicit: initial !global;
+4 | $root_explicit: initial !global;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 3:1  root stylesheet
+    input.scss 4:1  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$local_explicit: null` at the stylesheet root.
 
    ,
-11 |     $local_explicit: outer !global;
+12 |     $local_explicit: outer !global;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 11:5  fn()
-    input.scss 29:7  root stylesheet
+    input.scss 12:5  fn()
+    input.scss 30:7  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$check_implicit: null` at the stylesheet root.
 
    ,
-22 |   $check_implicit: $root_implicit !global;
+23 |   $check_implicit: $root_implicit !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 22:3  fn()
-    input.scss 29:7  root stylesheet
+    input.scss 23:3  fn()
+    input.scss 30:7  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$check_explicit: null` at the stylesheet root.
 
    ,
-23 |   $check_explicit: $root_explicit !global;
+24 |   $check_explicit: $root_explicit !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 23:3  fn()
-    input.scss 29:7  root stylesheet
+    input.scss 24:3  fn()
+    input.scss 30:7  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$check_default: null` at the stylesheet root.
 
    ,
-24 |   $check_default: $root_default !global;
+25 |   $check_default: $root_default !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 24:3  fn()
-    input.scss 29:7  root stylesheet
+    input.scss 25:3  fn()
+    input.scss 30:7  root stylesheet
diff --git a/spec/libsass/variable-scoping/blead-global/functional/while.hrx b/spec/libsass/variable-scoping/blead-global/functional/while.hrx
index 948f75d0fc..a4728f1ea3 100644
--- a/spec/libsass/variable-scoping/blead-global/functional/while.hrx
+++ b/spec/libsass/variable-scoping/blead-global/functional/while.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:meta";
 $continue_inner: true;
 $continue_outer: true;
 $root_default: initial;
@@ -32,31 +33,31 @@ $root_explicit: initial !global;
 
 result {
   fn: fn();
-  @if variable-exists(continue_outer) {
+  @if meta.variable-exists(continue_outer) {
     continue_outer: $continue_outer;
   }
-  @if variable-exists(continue_inner) {
+  @if meta.variable-exists(continue_inner) {
     continue_inner: $continue_inner;
   }
-  @if variable-exists(check_implicit) {
+  @if meta.variable-exists(check_implicit) {
     check_implicit: $check_implicit;
   }
-  @if variable-exists(check_explicit) {
+  @if meta.variable-exists(check_explicit) {
     check_explicit: $check_explicit;
   }
-  @if variable-exists(check_default) {
+  @if meta.variable-exists(check_default) {
     check_default: $check_default;
   }
   root_default: $root_default;
   root_implicit: $root_implicit;
   root_explicit: $root_explicit;
-  @if variable-exists(local_default) {
+  @if meta.variable-exists(local_default) {
     local_default: $local_default;
   }
-  @if variable-exists(local_implicit) {
+  @if meta.variable-exists(local_implicit) {
     local_implicit: $local_implicit;
   }
-  @if variable-exists(local_explicit) {
+  @if meta.variable-exists(local_explicit) {
     local_explicit: $local_explicit;
   }
 }
@@ -81,51 +82,51 @@ Since this assignment is at the root of the stylesheet, the !global flag is
 unnecessary and can safely be removed.
 
   ,
-5 | $root_explicit: initial !global;
+6 | $root_explicit: initial !global;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 5:1  root stylesheet
+    input.scss 6:1  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$local_explicit: null` at the stylesheet root.
 
    ,
-13 |     $local_explicit: outer !global;
+14 |     $local_explicit: outer !global;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 13:5  fn()
-    input.scss 33:7  root stylesheet
+    input.scss 14:5  fn()
+    input.scss 34:7  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$check_implicit: null` at the stylesheet root.
 
    ,
-26 |   $check_implicit: $root_implicit !global;
+27 |   $check_implicit: $root_implicit !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 26:3  fn()
-    input.scss 33:7  root stylesheet
+    input.scss 27:3  fn()
+    input.scss 34:7  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$check_explicit: null` at the stylesheet root.
 
    ,
-27 |   $check_explicit: $root_explicit !global;
+28 |   $check_explicit: $root_explicit !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 27:3  fn()
-    input.scss 33:7  root stylesheet
+    input.scss 28:3  fn()
+    input.scss 34:7  root stylesheet
 
 DEPRECATION WARNING: As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.
 
 Recommendation: add `$check_default: null` at the stylesheet root.
 
    ,
-28 |   $check_default: $root_default !global;
+29 |   $check_default: $root_default !global;
    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 28:3  fn()
-    input.scss 33:7  root stylesheet
+    input.scss 29:3  fn()
+    input.scss 34:7  root stylesheet
diff --git a/spec/libsass/variable-scoping/feature-test.hrx b/spec/libsass/variable-scoping/feature-test.hrx
index b387b1af3b..47881aebe2 100644
--- a/spec/libsass/variable-scoping/feature-test.hrx
+++ b/spec/libsass/variable-scoping/feature-test.hrx
@@ -1,5 +1,6 @@
 <===> input.scss
-@if feature-exists(global-variable-shadowing) {
+@use "sass:meta";
+@if meta.feature-exists(global-variable-shadowing) {
   div {
     feature: true;
   }

From 86cd57a38bdd98b2e52918876de82ad81b34a811 Mon Sep 17 00:00:00 2001
From: Jennifer Thakar <jathak@gmail.com>
Date: Fri, 12 Jul 2024 14:51:58 -0700
Subject: [PATCH 05/10] libsass-closed-issues global functions

---
 migrate.ts                                    |  4 +-
 spec/libsass-closed-issues/issue-2640.hrx     |  3 +-
 spec/libsass-closed-issues/issue_100.hrx      |  3 +-
 spec/libsass-closed-issues/issue_1075.hrx     |  9 +-
 spec/libsass-closed-issues/issue_1101.hrx     |  3 +-
 spec/libsass-closed-issues/issue_1106.hrx     | 19 ++---
 spec/libsass-closed-issues/issue_1127.hrx     | 61 ++++++-------
 spec/libsass-closed-issues/issue_1132.hrx     |  3 +-
 .../issue_1133/normal.hrx                     |  9 +-
 .../issue_1133/vararg.hrx                     |  9 +-
 spec/libsass-closed-issues/issue_1171.hrx     |  9 +-
 spec/libsass-closed-issues/issue_1192.hrx     |  2 +-
 spec/libsass-closed-issues/issue_1207.hrx     |  5 +-
 spec/libsass-closed-issues/issue_1240.hrx     |  9 +-
 spec/libsass-closed-issues/issue_1255.hrx     |  5 +-
 spec/libsass-closed-issues/issue_1257.hrx     |  3 +-
 spec/libsass-closed-issues/issue_1258.hrx     |  5 +-
 spec/libsass-closed-issues/issue_1260.hrx     |  3 +-
 spec/libsass-closed-issues/issue_1266/max.hrx | 15 ++--
 spec/libsass-closed-issues/issue_1266/min.hrx | 15 ++--
 spec/libsass-closed-issues/issue_1271.hrx     |  5 +-
 spec/libsass-closed-issues/issue_1279.hrx     |  9 +-
 spec/libsass-closed-issues/issue_1281.hrx     |  9 +-
 spec/libsass-closed-issues/issue_1285.hrx     |  3 +-
 spec/libsass-closed-issues/issue_1291.hrx     |  5 +-
 spec/libsass-closed-issues/issue_1303.hrx     |  3 +-
 spec/libsass-closed-issues/issue_1305.hrx     |  9 +-
 spec/libsass-closed-issues/issue_1331.hrx     | 19 +++--
 spec/libsass-closed-issues/issue_1404.hrx     |  5 +-
 spec/libsass-closed-issues/issue_1405.hrx     | 19 +++--
 spec/libsass-closed-issues/issue_1413.hrx     | 46 +++++-----
 spec/libsass-closed-issues/issue_1417.hrx     | 72 ++++++++--------
 .../issue_1418/dynamic.hrx                    | 15 ++--
 .../issue_1419/quoted.hrx                     |  3 +-
 .../issue_1419/unquoted.hrx                   |  3 +-
 .../issue_1432/selector-extend.hrx            |  7 +-
 .../issue_1432/selector-nest.hrx              |  7 +-
 .../issue_1432/selector-replace.hrx           |  7 +-
 .../issue_1432/selector-unify.hrx             |  7 +-
 .../issue_1432/simple-selectors.hrx           |  9 +-
 spec/libsass-closed-issues/issue_1434.hrx     | 13 +--
 spec/libsass-closed-issues/issue_1488.hrx     | 73 ++++++++--------
 spec/libsass-closed-issues/issue_151.hrx      | 19 +++--
 spec/libsass-closed-issues/issue_1535.hrx     |  3 +-
 spec/libsass-closed-issues/issue_1566.hrx     | 13 +--
 spec/libsass-closed-issues/issue_1579.hrx     | 11 +--
 spec/libsass-closed-issues/issue_1583.hrx     |  4 +-
 spec/libsass-closed-issues/issue_1622.hrx     | 14 +--
 spec/libsass-closed-issues/issue_1634.hrx     | 14 +--
 .../issue_1644/complex.hrx                    | 11 +--
 spec/libsass-closed-issues/issue_1645.hrx     | 14 +--
 .../issue_1647/selectors.hrx                  | 10 ++-
 spec/libsass-closed-issues/issue_1667.hrx     |  9 +-
 spec/libsass-closed-issues/issue_1709.hrx     |  3 +-
 spec/libsass-closed-issues/issue_1722.hrx     |  3 +-
 spec/libsass-closed-issues/issue_1723.hrx     |  5 +-
 .../libsass-closed-issues/issue_1757/each.hrx |  9 +-
 spec/libsass-closed-issues/issue_1757/for.hrx | 17 ++--
 spec/libsass-closed-issues/issue_1796.hrx     |  5 +-
 spec/libsass-closed-issues/issue_1819.hrx     |  4 +-
 .../libsass-closed-issues/issue_185/mixin.hrx | 11 +--
 spec/libsass-closed-issues/issue_1926.hrx     | 17 ++--
 spec/libsass-closed-issues/issue_1940.hrx     |  9 +-
 spec/libsass-closed-issues/issue_1947.hrx     |  3 +-
 spec/libsass-closed-issues/issue_1969.hrx     |  3 +-
 spec/libsass-closed-issues/issue_2020.hrx     |  5 +-
 .../issue_2031/extended-not.hrx               |  3 +-
 spec/libsass-closed-issues/issue_2112.hrx     |  7 +-
 .../issue_2156/debug.hrx                      | 13 +--
 .../issue_2156/error.hrx                      |  9 +-
 .../libsass-closed-issues/issue_2156/warn.hrx | 13 +--
 spec/libsass-closed-issues/issue_224.hrx      |  9 +-
 spec/libsass-closed-issues/issue_2246.hrx     |  3 +-
 spec/libsass-closed-issues/issue_2309.hrx     | 28 +++---
 spec/libsass-closed-issues/issue_2374.hrx     | 67 ++++++++-------
 spec/libsass-closed-issues/issue_2394.hrx     |  8 +-
 spec/libsass-closed-issues/issue_2462.hrx     |  3 +-
 spec/libsass-closed-issues/issue_2520.hrx     | 85 ++++++++++---------
 spec/libsass-closed-issues/issue_2633.hrx     |  7 +-
 spec/libsass-closed-issues/issue_2779.hrx     |  7 +-
 spec/libsass-closed-issues/issue_2808.hrx     |  3 +-
 spec/libsass-closed-issues/issue_2863.hrx     | 13 +--
 spec/libsass-closed-issues/issue_2980.hrx     |  5 +-
 spec/libsass-closed-issues/issue_338.hrx      |  3 +-
 spec/libsass-closed-issues/issue_394.hrx      |  3 +-
 spec/libsass-closed-issues/issue_435.hrx      |  9 +-
 spec/libsass-closed-issues/issue_439.hrx      |  9 +-
 spec/libsass-closed-issues/issue_506.hrx      |  7 +-
 spec/libsass-closed-issues/issue_509.hrx      | 15 ++--
 spec/libsass-closed-issues/issue_510.hrx      |  3 +-
 spec/libsass-closed-issues/issue_512.hrx      |  6 +-
 spec/libsass-closed-issues/issue_534.hrx      |  7 +-
 spec/libsass-closed-issues/issue_54.hrx       |  3 +-
 spec/libsass-closed-issues/issue_555.hrx      |  9 +-
 spec/libsass-closed-issues/issue_557.hrx      |  3 +-
 spec/libsass-closed-issues/issue_574.hrx      |  3 +-
 spec/libsass-closed-issues/issue_577.hrx      |  3 +-
 spec/libsass-closed-issues/issue_578.hrx      |  5 +-
 spec/libsass-closed-issues/issue_643.hrx      |  3 +-
 spec/libsass-closed-issues/issue_652.hrx      |  7 +-
 spec/libsass-closed-issues/issue_672.hrx      |  3 +-
 spec/libsass-closed-issues/issue_699.hrx      |  3 +-
 spec/libsass-closed-issues/issue_700.hrx      |  3 +-
 spec/libsass-closed-issues/issue_702.hrx      |  5 +-
 spec/libsass-closed-issues/issue_760.hrx      |  5 +-
 spec/libsass-closed-issues/issue_763.hrx      | 15 ++--
 spec/libsass-closed-issues/issue_815.hrx      |  5 +-
 spec/libsass-closed-issues/issue_857.hrx      |  3 +-
 spec/libsass-closed-issues/issue_86.hrx       | 15 ++--
 spec/libsass-closed-issues/issue_864.hrx      |  3 +-
 spec/libsass-closed-issues/issue_877.hrx      | 57 +++++++------
 spec/libsass-closed-issues/issue_980.hrx      |  5 +-
 spec/libsass-closed-issues/issue_988.hrx      |  7 +-
 113 files changed, 695 insertions(+), 573 deletions(-)

diff --git a/migrate.ts b/migrate.ts
index 5d46b023d0..2d326b61d7 100644
--- a/migrate.ts
+++ b/migrate.ts
@@ -17,7 +17,9 @@ async function migrate() {
 
   await rootDir.forEachTest(
     async testDir => {
-      const files = (await testDir.listFiles()).filter(
+      const allFiles = await testDir.listFiles();
+      if (allFiles.includes('error')) return;
+      const files = allFiles.filter(
         file => file.endsWith('.scss') || file.endsWith('.sass')
       );
       console.log(testDir.relPath());
diff --git a/spec/libsass-closed-issues/issue-2640.hrx b/spec/libsass-closed-issues/issue-2640.hrx
index eb660bafe7..c20eaceb67 100644
--- a/spec/libsass-closed-issues/issue-2640.hrx
+++ b/spec/libsass-closed-issues/issue-2640.hrx
@@ -1,11 +1,12 @@
 <===> input.scss
+@use "sass:selector";
 .theme1, .theme2 {
   .something {
     /* nothing */
   }
 }
 
-$sel: selector-nest('.theme1, .theme2', '.something');
+$sel: selector.nest('.theme1, .theme2', '.something');
   
 #{$sel} {
   /* nothing */
diff --git a/spec/libsass-closed-issues/issue_100.hrx b/spec/libsass-closed-issues/issue_100.hrx
index c758b7247e..d5eee41d59 100644
--- a/spec/libsass-closed-issues/issue_100.hrx
+++ b/spec/libsass-closed-issues/issue_100.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:color";
 $endColor: red;
 test {
-  background-color: darken($endColor, 10%) \9;
+  background-color: color.adjust($endColor, $lightness: -10%) \9;
 }
 <===> output.css
 test {
diff --git a/spec/libsass-closed-issues/issue_1075.hrx b/spec/libsass-closed-issues/issue_1075.hrx
index 10896961d9..7f4ba9e0ac 100644
--- a/spec/libsass-closed-issues/issue_1075.hrx
+++ b/spec/libsass-closed-issues/issue_1075.hrx
@@ -1,8 +1,9 @@
 <===> input.scss
+@use "sass:meta";
 $name: "lighten";
 $args: ("color": #ff0000, "amount": 10%);
 foo {
-  bar: call($name, $args...);
+  bar: meta.call($name, $args...);
 }
 
 <===> output.css
@@ -16,7 +17,7 @@ DEPRECATION WARNING: Passing a string to call() is deprecated and will be illega
 Recommendation: call(get-function("lighten"))
 
   ,
-4 |   bar: call($name, $args...);
-  |        ^^^^^^^^^^^^^^^^^^^^^
+5 |   bar: meta.call($name, $args...);
+  |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 4:8  root stylesheet
+    input.scss 5:8  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1101.hrx b/spec/libsass-closed-issues/issue_1101.hrx
index 0439c858c4..d739f9334f 100644
--- a/spec/libsass-closed-issues/issue_1101.hrx
+++ b/spec/libsass-closed-issues/issue_1101.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:color";
 $foo: white;
 foo {
-  bar: adjust-color($foo, $hue: -6deg, $lightness: -16%, $saturation: -7%);
+  bar: color.adjust($foo, $hue: -6deg, $lightness: -16%, $saturation: -7%);
 }
 <===> output.css
 foo {
diff --git a/spec/libsass-closed-issues/issue_1106.hrx b/spec/libsass-closed-issues/issue_1106.hrx
index cf5e4c507a..00989b935d 100644
--- a/spec/libsass-closed-issues/issue_1106.hrx
+++ b/spec/libsass-closed-issues/issue_1106.hrx
@@ -1,31 +1,24 @@
 <===> input.scss
+@use "sass:string";
 @function foo() { @return null; }
 $foo: null;
 a {
     foo: bar;
     variable: $foo;
     function: foo();
-    unquote: unquote($foo);
+    unquote: string.unquote($foo);
 }
 
 b {
     variable: $foo;
     function: foo();
-    unquote: unquote($foo);
+    unquote: string.unquote($foo);
 }
 
-<===> warning
-DEPRECATION WARNING: Passing null, a non-string value, to unquote()
-will be an error in future versions of Sass.
-        on line 7 of input.scss
-DEPRECATION WARNING: Passing null, a non-string value, to unquote()
-will be an error in future versions of Sass.
-        on line 13 of input.scss
-
 <===> error
 Error: $string: null is not a string.
   ,
-7 |     unquote: unquote($foo);
-  |              ^^^^^^^^^^^^^
+8 |     unquote: string.unquote($foo);
+  |              ^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 7:14  root stylesheet
+  input.scss 8:14  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1127.hrx b/spec/libsass-closed-issues/issue_1127.hrx
index 4a68b42c60..bd5e6f0817 100644
--- a/spec/libsass-closed-issues/issue_1127.hrx
+++ b/spec/libsass-closed-issues/issue_1127.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
-$a: to-upper-case('abcd');
-$b: to-upper-case("abcd");
-$c: to-upper-case(abcd);
+@use "sass:string";
+$a: string.to-upper-case('abcd');
+$b: string.to-upper-case("abcd");
+$c: string.to-upper-case(abcd);
 
 foo {
     content: #{$a};
@@ -14,35 +15,35 @@ foo {
     content: "#{$b}";
     content: "#{$c}";
 
-    content: #{unquote($a)};
-    content: #{unquote($b)};
-    content: #{unquote($c)};
-    content: '#{unquote($a)}';
-    content: '#{unquote($b)}';
-    content: '#{unquote($c)}';
-    content: "#{unquote($a)}";
-    content: "#{unquote($b)}";
-    content: "#{unquote($c)}";
+    content: #{string.unquote($a)};
+    content: #{string.unquote($b)};
+    content: #{string.unquote($c)};
+    content: '#{string.unquote($a)}';
+    content: '#{string.unquote($b)}';
+    content: '#{string.unquote($c)}';
+    content: "#{string.unquote($a)}";
+    content: "#{string.unquote($b)}";
+    content: "#{string.unquote($c)}";
 
-    content: #{$a + unquote("efg")};
-    content: #{$b + unquote("efg")};
-    content: #{$c + unquote("efg")};
-    content: '#{$a + unquote("efg")}';
-    content: '#{$b + unquote("efg")}';
-    content: '#{$c + unquote("efg")}';
-    content: "#{$a + unquote("efg")}";
-    content: "#{$b + unquote("efg")}";
-    content: "#{$c + unquote("efg")}";
+    content: #{$a + string.unquote("efg")};
+    content: #{$b + string.unquote("efg")};
+    content: #{$c + string.unquote("efg")};
+    content: '#{$a + string.unquote("efg")}';
+    content: '#{$b + string.unquote("efg")}';
+    content: '#{$c + string.unquote("efg")}';
+    content: "#{$a + string.unquote("efg")}";
+    content: "#{$b + string.unquote("efg")}";
+    content: "#{$c + string.unquote("efg")}";
 
-    content: #{$a + unquote("")};
-    content: #{$b + unquote("")};
-    content: #{$c + unquote("")};
-    content: '#{$a + unquote("")}';
-    content: '#{$b + unquote("")}';
-    content: '#{$c + unquote("")}';
-    content: "#{$a + unquote("")}";
-    content: "#{$b + unquote("")}";
-    content: "#{$c + unquote("")}";
+    content: #{$a + string.unquote("")};
+    content: #{$b + string.unquote("")};
+    content: #{$c + string.unquote("")};
+    content: '#{$a + string.unquote("")}';
+    content: '#{$b + string.unquote("")}';
+    content: '#{$c + string.unquote("")}';
+    content: "#{$a + string.unquote("")}";
+    content: "#{$b + string.unquote("")}";
+    content: "#{$c + string.unquote("")}";
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_1132.hrx b/spec/libsass-closed-issues/issue_1132.hrx
index 41bde3ffbb..96ceb265d3 100644
--- a/spec/libsass-closed-issues/issue_1132.hrx
+++ b/spec/libsass-closed-issues/issue_1132.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:color";
 foo {
   @for $i from 0 through 360 {
-    i#{$i}: hue(hsl($i, 10%, 20%));
+    i#{$i}: color.hue(hsl($i, 10%, 20%));
   }
 }
 
diff --git a/spec/libsass-closed-issues/issue_1133/normal.hrx b/spec/libsass-closed-issues/issue_1133/normal.hrx
index 6ca187dee9..f2a64973f7 100644
--- a/spec/libsass-closed-issues/issue_1133/normal.hrx
+++ b/spec/libsass-closed-issues/issue_1133/normal.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:meta";
 @function foo($map) {
     @return $map;
 }
@@ -11,7 +12,7 @@ a {
 }
 
 b {
-    $map: call("foo", (this: is, my: map));
+    $map: meta.call("foo", (this: is, my: map));
     @each $k, $v in $map {
         #{$k}: $v;
     }
@@ -34,7 +35,7 @@ DEPRECATION WARNING: Passing a string to call() is deprecated and will be illega
 Recommendation: call(get-function("foo"))
 
    ,
-13 |     $map: call("foo", (this: is, my: map));
-   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+14 |     $map: meta.call("foo", (this: is, my: map));
+   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 13:11  root stylesheet
+    input.scss 14:11  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1133/vararg.hrx b/spec/libsass-closed-issues/issue_1133/vararg.hrx
index 9a38193dcf..5acbd9a9ca 100644
--- a/spec/libsass-closed-issues/issue_1133/vararg.hrx
+++ b/spec/libsass-closed-issues/issue_1133/vararg.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:meta";
 @function foo($this, $my) {
   @return (this: $this, my: $my);
 }
@@ -11,7 +12,7 @@ a {
 }
 
 b {
-  $map: call("foo", (this: is, my: map)...);
+  $map: meta.call("foo", (this: is, my: map)...);
   @each $k, $v in $map {
     #{$k}: $v;
   }
@@ -34,7 +35,7 @@ DEPRECATION WARNING: Passing a string to call() is deprecated and will be illega
 Recommendation: call(get-function("foo"))
 
    ,
-13 |   $map: call("foo", (this: is, my: map)...);
-   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+14 |   $map: meta.call("foo", (this: is, my: map)...);
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 13:9  root stylesheet
+    input.scss 14:9  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1171.hrx b/spec/libsass-closed-issues/issue_1171.hrx
index f2a77ff89a..c7a1ca73d9 100644
--- a/spec/libsass-closed-issues/issue_1171.hrx
+++ b/spec/libsass-closed-issues/issue_1171.hrx
@@ -1,18 +1,19 @@
 <===> input.scss
+@use "sass:list";
 @function foo($initial, $args...) {
-  $args: append($args, 3);
+  $args: list.append($args, 3);
 
   @return bar($initial, $args...);
 }
 
 @function bar($args...) {
-  @return length($args);
+  @return list.length($args);
 }
 
 @function baz($initial, $args...) {
-  $args: append($args, 3);
+  $args: list.append($args, 3);
 
-  @return nth($args, 1);
+  @return list.nth($args, 1);
 }
 
 .test {
diff --git a/spec/libsass-closed-issues/issue_1192.hrx b/spec/libsass-closed-issues/issue_1192.hrx
index 33fcef5cc2..512642df9a 100644
--- a/spec/libsass-closed-issues/issue_1192.hrx
+++ b/spec/libsass-closed-issues/issue_1192.hrx
@@ -4,7 +4,7 @@
 $keyword: foobar;
 
 @mixin test($arglist...){
-  $map: keywords($arglist);
+  $map: meta.keywords($arglist);
   /*#{meta.inspect($map)}*/
   /*#{meta.inspect($arglist)}*/
 }
diff --git a/spec/libsass-closed-issues/issue_1207.hrx b/spec/libsass-closed-issues/issue_1207.hrx
index 0067100c83..064bc406c7 100644
--- a/spec/libsass-closed-issues/issue_1207.hrx
+++ b/spec/libsass-closed-issues/issue_1207.hrx
@@ -1,11 +1,12 @@
 <===> input.scss
+@use "sass:string";
 @function test($pos) {
   @return test-#{$pos};
 }
 
 .foo {
-  content: test(str-slice('scale-0', 7));   // Nope
-  content: test-#{str-slice('scale-0', 7)}; // Yep
+  content: test(string.slice('scale-0', 7));   // Nope
+  content: test-#{string.slice('scale-0', 7)}; // Yep
 }
 <===> output.css
 .foo {
diff --git a/spec/libsass-closed-issues/issue_1240.hrx b/spec/libsass-closed-issues/issue_1240.hrx
index 051ad6855b..789837fa1b 100644
--- a/spec/libsass-closed-issues/issue_1240.hrx
+++ b/spec/libsass-closed-issues/issue_1240.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:list";
 $var: 1;
 $list: 2, 3;
-$new-list: append($var, $list);
+$new-list: list.append($var, $list);
 $nested-list: $var $list;
 @debug($var);
 @debug($list);
@@ -22,7 +23,7 @@ div {
 }
 
 <===> warning
-input.scss:5 DEBUG: 1
-input.scss:6 DEBUG: 2, 3
-input.scss:7 DEBUG: 1 (2, 3)
+input.scss:6 DEBUG: 1
+input.scss:7 DEBUG: 2, 3
 input.scss:8 DEBUG: 1 (2, 3)
+input.scss:9 DEBUG: 1 (2, 3)
diff --git a/spec/libsass-closed-issues/issue_1255.hrx b/spec/libsass-closed-issues/issue_1255.hrx
index 09894f53fa..dc14088e40 100644
--- a/spec/libsass-closed-issues/issue_1255.hrx
+++ b/spec/libsass-closed-issues/issue_1255.hrx
@@ -1,11 +1,12 @@
 <===> input.scss
+@use "sass:list";
 @function double($value) {
   @return $value * 2;
 }
 
 @mixin dummy-bug($args...) {
-  @for $i from 1 through length($args) {
-    $args: set-nth($args, $i, double(nth($args, $i)));
+  @for $i from 1 through list.length($args) {
+    $args: list.set-nth($args, $i, double(list.nth($args, $i)));
   }
 
   content: $args;
diff --git a/spec/libsass-closed-issues/issue_1257.hrx b/spec/libsass-closed-issues/issue_1257.hrx
index e7713a4bd0..e44203e336 100644
--- a/spec/libsass-closed-issues/issue_1257.hrx
+++ b/spec/libsass-closed-issues/issue_1257.hrx
@@ -1,6 +1,7 @@
 <===> input.scss
+@use "sass:color";
 .foo {
-  color: invert(red...);
+  color: color.invert(red...);
 }
 <===> output.css
 .foo {
diff --git a/spec/libsass-closed-issues/issue_1258.hrx b/spec/libsass-closed-issues/issue_1258.hrx
index c8076fb1b2..16b7eece03 100644
--- a/spec/libsass-closed-issues/issue_1258.hrx
+++ b/spec/libsass-closed-issues/issue_1258.hrx
@@ -4,13 +4,14 @@
 - dart-sass
 
 <===> input.scss
+@use "sass:string";
 $list:   '(-webkit-min-device-pixel-ratio: 2)', '(min-resolution: 192dpi)';
 $string: '(-webkit-min-device-pixel-ratio: 2),   (min-resolution: 192dpi)';
 
 .foo {
   // I should not unquote a list, I know. But still.
-  content: unquote($list);
-  content: unquote($string);
+  content: string.unquote($list);
+  content: string.unquote($string);
 }
 <===> output.css
 .foo {
diff --git a/spec/libsass-closed-issues/issue_1260.hrx b/spec/libsass-closed-issues/issue_1260.hrx
index fbc0033da9..e935177d80 100644
--- a/spec/libsass-closed-issues/issue_1260.hrx
+++ b/spec/libsass-closed-issues/issue_1260.hrx
@@ -1,8 +1,9 @@
 <===> input.scss
+@use "sass:list";
 $EQ-Selectors: ();
 
 .el {
-    $EQ-Selectors: append($EQ-Selectors, &, 'comma') !global;
+    $EQ-Selectors: list.append($EQ-Selectors, &, 'comma') !global;
 }
 
 html:before {
diff --git a/spec/libsass-closed-issues/issue_1266/max.hrx b/spec/libsass-closed-issues/issue_1266/max.hrx
index ee467ac31d..037543aef1 100644
--- a/spec/libsass-closed-issues/issue_1266/max.hrx
+++ b/spec/libsass-closed-issues/issue_1266/max.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:meta";
 $foo: 1 2 3 blah 4;
 foo {
-  bar: call(max, $foo...);
+  bar: meta.call(max, $foo...);
 }
 
 <===> error
@@ -10,14 +11,14 @@ DEPRECATION WARNING: Passing a string to call() is deprecated and will be illega
 Recommendation: call(get-function(max))
 
   ,
-3 |   bar: call(max, $foo...);
-  |        ^^^^^^^^^^^^^^^^^^
+4 |   bar: meta.call(max, $foo...);
+  |        ^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 3:8  root stylesheet
+    input.scss 4:8  root stylesheet
 
 Error: blah is not a number.
   ,
-3 |   bar: call(max, $foo...);
-  |        ^^^^^^^^^^^^^^^^^^
+4 |   bar: meta.call(max, $foo...);
+  |        ^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 3:8  root stylesheet
+  input.scss 4:8  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1266/min.hrx b/spec/libsass-closed-issues/issue_1266/min.hrx
index 2d5c8791d8..ceb02582e5 100644
--- a/spec/libsass-closed-issues/issue_1266/min.hrx
+++ b/spec/libsass-closed-issues/issue_1266/min.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:meta";
 $foo: 1 2 3 blah 4;
 foo {
-  bar: call(min, $foo...);
+  bar: meta.call(min, $foo...);
 }
 
 <===> error
@@ -10,14 +11,14 @@ DEPRECATION WARNING: Passing a string to call() is deprecated and will be illega
 Recommendation: call(get-function(min))
 
   ,
-3 |   bar: call(min, $foo...);
-  |        ^^^^^^^^^^^^^^^^^^
+4 |   bar: meta.call(min, $foo...);
+  |        ^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 3:8  root stylesheet
+    input.scss 4:8  root stylesheet
 
 Error: blah is not a number.
   ,
-3 |   bar: call(min, $foo...);
-  |        ^^^^^^^^^^^^^^^^^^
+4 |   bar: meta.call(min, $foo...);
+  |        ^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 3:8  root stylesheet
+  input.scss 4:8  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1271.hrx b/spec/libsass-closed-issues/issue_1271.hrx
index 31e16b55de..b03b48571f 100644
--- a/spec/libsass-closed-issues/issue_1271.hrx
+++ b/spec/libsass-closed-issues/issue_1271.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:string";
 $character-code: f102;
 
 test {
@@ -6,10 +7,10 @@ test {
   /* Expected: "\f102" */
 
   /* Sass 3.4 */
-  content: unquote("\"\\#{$character-code}\"");
+  content: string.unquote("\"\\#{$character-code}\"");
 
   /* Sass 3.3 */
-  content: str-slice("\x", 1, 1) + $character-code;
+  content: string.slice("\x", 1, 1) + $character-code;
 
 }
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_1279.hrx b/spec/libsass-closed-issues/issue_1279.hrx
index 0a6fd73d0c..b8719947c8 100644
--- a/spec/libsass-closed-issues/issue_1279.hrx
+++ b/spec/libsass-closed-issues/issue_1279.hrx
@@ -1,13 +1,14 @@
 <===> input.scss
+@use "sass:string";
 @function noop($string) {
   @return $string;
 }
 
 .foo {
-  upper: to-upper-case('f') + str-slice('foo', 2);
-  lower: to-lower-case('f') + str-slice('foo', 2);
-  user-upper: to-upper-case('f') + noop('oo');
-  user-lower: to-lower-case('f') + noop('oo');
+  upper: string.to-upper-case('f') + string.slice('foo', 2);
+  lower: string.to-lower-case('f') + string.slice('foo', 2);
+  user-upper: string.to-upper-case('f') + noop('oo');
+  user-lower: string.to-lower-case('f') + noop('oo');
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_1281.hrx b/spec/libsass-closed-issues/issue_1281.hrx
index c10d538315..1bc3dc3939 100644
--- a/spec/libsass-closed-issues/issue_1281.hrx
+++ b/spec/libsass-closed-issues/issue_1281.hrx
@@ -1,12 +1,13 @@
 <===> input.scss
+@use "sass:meta";
 $quoted: "green";
 $unquoted: green;
 
 .test {
-  string: type-of($quoted);
-  color: type-of($unquoted);
-  string: type-of("green");
-  color: type-of(green);
+  string: meta.type-of($quoted);
+  color: meta.type-of($unquoted);
+  string: meta.type-of("green");
+  color: meta.type-of(green);
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_1285.hrx b/spec/libsass-closed-issues/issue_1285.hrx
index a327dc4405..d728197a1e 100644
--- a/spec/libsass-closed-issues/issue_1285.hrx
+++ b/spec/libsass-closed-issues/issue_1285.hrx
@@ -1,8 +1,9 @@
 <===> input.scss
+@use "sass:color";
 .container {
   @for $i from 1 through 3 {
     @at-root .box-#{$i} {
-      color: darken(red,($i * 5));
+      color: color.adjust(red,$lightness: -($i * 5%));
     }
   }
 
diff --git a/spec/libsass-closed-issues/issue_1291.hrx b/spec/libsass-closed-issues/issue_1291.hrx
index 7f52db5722..ebaee0635d 100644
--- a/spec/libsass-closed-issues/issue_1291.hrx
+++ b/spec/libsass-closed-issues/issue_1291.hrx
@@ -4,13 +4,14 @@
 - dart-sass
 
 <===> input.scss
+@use "sass:string";
 @mixin spec1($decimal) {
-  $decimal: unquote($decimal) * -1;
+  $decimal: string.unquote($decimal) * -1;
   value: $decimal;
 }
 
 @mixin spec2($decimal) {
-  $decimal: -1 * unquote($decimal);
+  $decimal: -1 * string.unquote($decimal);
   value: $decimal;
 }
 
diff --git a/spec/libsass-closed-issues/issue_1303.hrx b/spec/libsass-closed-issues/issue_1303.hrx
index 20d72f0b16..eed3f30157 100644
--- a/spec/libsass-closed-issues/issue_1303.hrx
+++ b/spec/libsass-closed-issues/issue_1303.hrx
@@ -1,6 +1,7 @@
 <===> input.scss
+@use "sass:selector";
 .simple {
-  a: selector-replace('foo.bar', 'foo', 'foo[baz]');
+  a: selector.replace('foo.bar', 'foo', 'foo[baz]');
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_1305.hrx b/spec/libsass-closed-issues/issue_1305.hrx
index cfafc19ae5..29e885c9f3 100644
--- a/spec/libsass-closed-issues/issue_1305.hrx
+++ b/spec/libsass-closed-issues/issue_1305.hrx
@@ -1,6 +1,7 @@
 <===> input.scss
+@use "sass:meta";
 .foo {
-    content: call('unquote', 'foo', ()...);
+    content: meta.call('unquote', 'foo', ()...);
 }
 
 <===> output.css
@@ -14,7 +15,7 @@ DEPRECATION WARNING: Passing a string to call() is deprecated and will be illega
 Recommendation: call(get-function("unquote"))
 
   ,
-2 |     content: call('unquote', 'foo', ()...);
-  |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+3 |     content: meta.call('unquote', 'foo', ()...);
+  |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 2:14  root stylesheet
+    input.scss 3:14  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1331.hrx b/spec/libsass-closed-issues/issue_1331.hrx
index 1f969b176e..d43e35ff32 100644
--- a/spec/libsass-closed-issues/issue_1331.hrx
+++ b/spec/libsass-closed-issues/issue_1331.hrx
@@ -1,17 +1,18 @@
 <===> input.scss
+@use "sass:map";
 $m: (foo: 1px, null: 2px, false: 3px, true: 4px);
 
 @debug $m;
-@debug map-get($m, foo);
-@debug map-get($m, null);
-@debug map-get($m, false);
-@debug map-get($m, true);
+@debug map.get($m, foo);
+@debug map.get($m, null);
+@debug map.get($m, false);
+@debug map.get($m, true);
 
 <===> output.css
 
 <===> warning
-input.scss:3 DEBUG: (foo: 1px, null: 2px, false: 3px, true: 4px)
-input.scss:4 DEBUG: 1px
-input.scss:5 DEBUG: 2px
-input.scss:6 DEBUG: 3px
-input.scss:7 DEBUG: 4px
+input.scss:4 DEBUG: (foo: 1px, null: 2px, false: 3px, true: 4px)
+input.scss:5 DEBUG: 1px
+input.scss:6 DEBUG: 2px
+input.scss:7 DEBUG: 3px
+input.scss:8 DEBUG: 4px
diff --git a/spec/libsass-closed-issues/issue_1404.hrx b/spec/libsass-closed-issues/issue_1404.hrx
index dc527eefae..2dc83a1408 100644
--- a/spec/libsass-closed-issues/issue_1404.hrx
+++ b/spec/libsass-closed-issues/issue_1404.hrx
@@ -1,8 +1,9 @@
 <===> input.scss
+@use "sass:meta";
 .test {
     color: #aaabbb--1-2-a;
-    color: type-of(#aaabbb--1-2-a);
-    color: type-of(#aaabbb--1-2);
+    color: meta.type-of(#aaabbb--1-2-a);
+    color: meta.type-of(#aaabbb--1-2);
 }
 <===> output.css
 .test {
diff --git a/spec/libsass-closed-issues/issue_1405.hrx b/spec/libsass-closed-issues/issue_1405.hrx
index 3149d38154..18ffb39c54 100644
--- a/spec/libsass-closed-issues/issue_1405.hrx
+++ b/spec/libsass-closed-issues/issue_1405.hrx
@@ -1,10 +1,13 @@
 <===> input.scss
+@use "sass:list";
+@use "sass:math";
+@use "sass:meta";
 div {
   foo: (1a2b3c);
 
-  length-1: length(1a2b3c);
+  length-1: list.length(1a2b3c);
 
-  unit-1: unit(1a2b3c);
+  unit-1: math.unit(1a2b3c);
 
   result-1: 1em-.75em;
   result-2: 2em-1em;
@@ -12,12 +15,12 @@ div {
   result-4: 1.5em-1em;
   result-5: 2em-1.5em;
 
-  type-1: type-of(1em-.75em);
-  type-2: type-of(2em-1em);
-  type-3: type-of(2em-0.75em);
-  type-4: type-of(1.5em-1em);
-  type-5: type-of(2em-1.5em);
-  type-6: type-of(1a2b3c);
+  type-1: meta.type-of(1em-.75em);
+  type-2: meta.type-of(2em-1em);
+  type-3: meta.type-of(2em-0.75em);
+  type-4: meta.type-of(1.5em-1em);
+  type-5: meta.type-of(2em-1.5em);
+  type-6: meta.type-of(1a2b3c);
 
   test-1: (1-em-2-em);
   test-1: (1-em - 2-em);
diff --git a/spec/libsass-closed-issues/issue_1413.hrx b/spec/libsass-closed-issues/issue_1413.hrx
index 076899aa85..10a2d0be86 100644
--- a/spec/libsass-closed-issues/issue_1413.hrx
+++ b/spec/libsass-closed-issues/issue_1413.hrx
@@ -1,4 +1,6 @@
 <===> input.scss
+@use "sass:list";
+@use "sass:meta";
 div {
     foo: 'A'#{B};
     foo: #{A}'B';
@@ -14,31 +16,31 @@ div {
 }
 
 div {
-    foo: type-of('A'#{B});
-    foo: type-of(#{A}'B');
-    foo: type-of('A'#{B}'C');
-    foo: type-of(#{A}'B'#{C});
-    foo: type-of(A#{B}'C');
-    foo: type-of('A'#{B}C);
-    foo: type-of(#{A}B'C');
-    foo: type-of('A'#{B}C'D');
-    foo: type-of('A'B#{C}D'E');
-    foo: type-of(A'B'#{C}D'E');
-    foo: type-of(#{A}'B'C'D''E');
+    foo: meta.type-of('A'#{B});
+    foo: meta.type-of(#{A}'B');
+    foo: meta.type-of('A'#{B}'C');
+    foo: meta.type-of(#{A}'B'#{C});
+    foo: meta.type-of(A#{B}'C');
+    foo: meta.type-of('A'#{B}C);
+    foo: meta.type-of(#{A}B'C');
+    foo: meta.type-of('A'#{B}C'D');
+    foo: meta.type-of('A'B#{C}D'E');
+    foo: meta.type-of(A'B'#{C}D'E');
+    foo: meta.type-of(#{A}'B'C'D''E');
 }
 
 div {
-    foo: length('A'#{B});
-    foo: length(#{A}'B');
-    foo: length('A'#{B}'C');
-    foo: length(#{A}'B'#{C});
-    foo: length(A#{B}'C');
-    foo: length('A'#{B}C);
-    foo: length(#{A}B'C');
-    foo: length('A'#{B}C'D');
-    foo: length('A'B#{C}D'E');
-    foo: length(A'B'#{C}D'E');
-    foo: length(#{A}'B'C'D''E');
+    foo: list.length('A'#{B});
+    foo: list.length(#{A}'B');
+    foo: list.length('A'#{B}'C');
+    foo: list.length(#{A}'B'#{C});
+    foo: list.length(A#{B}'C');
+    foo: list.length('A'#{B}C);
+    foo: list.length(#{A}B'C');
+    foo: list.length('A'#{B}C'D');
+    foo: list.length('A'B#{C}D'E');
+    foo: list.length(A'B'#{C}D'E');
+    foo: list.length(#{A}'B'C'D''E');
 }
 <===> output.css
 div {
diff --git a/spec/libsass-closed-issues/issue_1417.hrx b/spec/libsass-closed-issues/issue_1417.hrx
index 3fe92774a3..4d0287c4fb 100644
--- a/spec/libsass-closed-issues/issue_1417.hrx
+++ b/spec/libsass-closed-issues/issue_1417.hrx
@@ -1,14 +1,16 @@
 <===> input.scss
+@use "sass:math";
+@use "sass:meta";
 @function foo($a, $b) {
   @return ($a $b);
 }
 
 foo {
   foo: 1px / 2px;
-  foo: 1px / round(1.5);
-  foo: foo(1px / 2px, 1px / round(1.5));
-  foo: missing(1px / 2px, 1px / round(1.5));
-  foo: call(missing, 1px / 2px, 1px / round(1.5));
+  foo: 1px / math.round(1.5);
+  foo: foo(1px / 2px, 1px / math.round(1.5));
+  foo: missing(1px / 2px, 1px / math.round(1.5));
+  foo: meta.call(missing, 1px / 2px, 1px / math.round(1.5));
 }
 
 <===> output.css
@@ -23,15 +25,15 @@ foo {
 <===> warning
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
-Recommendation: math.div(1px, round(1.5)) or calc(1px / round(1.5))
+Recommendation: math.div(1px, math.round(1.5)) or calc(1px / math.round(1.5))
 
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-7 |   foo: 1px / round(1.5);
-  |        ^^^^^^^^^^^^^^^^
+9 |   foo: 1px / math.round(1.5);
+  |        ^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 7:8  root stylesheet
+    input.scss 9:8  root stylesheet
 
 DEPRECATION WARNING: Using / for division is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -39,35 +41,35 @@ Recommendation: math.div(1px, 2px)
 
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
-  ,
-8 |   foo: foo(1px / 2px, 1px / round(1.5));
-  |            ^^^^^^^^^
-  '
-    input.scss 8:12  root stylesheet
+   ,
+10 |   foo: foo(1px / 2px, 1px / math.round(1.5));
+   |            ^^^^^^^^^
+   '
+    input.scss 10:12  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
-Recommendation: math.div(1px, round(1.5)) or calc(1px / round(1.5))
+Recommendation: math.div(1px, math.round(1.5)) or calc(1px / math.round(1.5))
 
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
-  ,
-8 |   foo: foo(1px / 2px, 1px / round(1.5));
-  |                       ^^^^^^^^^^^^^^^^
-  '
-    input.scss 8:23  root stylesheet
+   ,
+10 |   foo: foo(1px / 2px, 1px / math.round(1.5));
+   |                       ^^^^^^^^^^^^^^^^^^^^^
+   '
+    input.scss 10:23  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
-Recommendation: math.div(1px, round(1.5)) or calc(1px / round(1.5))
+Recommendation: math.div(1px, math.round(1.5)) or calc(1px / math.round(1.5))
 
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
-  ,
-9 |   foo: missing(1px / 2px, 1px / round(1.5));
-  |                           ^^^^^^^^^^^^^^^^
-  '
-    input.scss 9:27  root stylesheet
+   ,
+11 |   foo: missing(1px / 2px, 1px / math.round(1.5));
+   |                           ^^^^^^^^^^^^^^^^^^^^^
+   '
+    input.scss 11:27  root stylesheet
 
 DEPRECATION WARNING: Using / for division is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -76,29 +78,29 @@ Recommendation: math.div(1px, 2px)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
    ,
-10 |   foo: call(missing, 1px / 2px, 1px / round(1.5));
-   |                      ^^^^^^^^^
+12 |   foo: meta.call(missing, 1px / 2px, 1px / math.round(1.5));
+   |                           ^^^^^^^^^
    '
-    input.scss 10:22  root stylesheet
+    input.scss 12:27  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
-Recommendation: math.div(1px, round(1.5)) or calc(1px / round(1.5))
+Recommendation: math.div(1px, math.round(1.5)) or calc(1px / math.round(1.5))
 
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
    ,
-10 |   foo: call(missing, 1px / 2px, 1px / round(1.5));
-   |                                 ^^^^^^^^^^^^^^^^
+12 |   foo: meta.call(missing, 1px / 2px, 1px / math.round(1.5));
+   |                                      ^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 10:33  root stylesheet
+    input.scss 12:38  root stylesheet
 
 DEPRECATION WARNING: Passing a string to call() is deprecated and will be illegal in Dart Sass 2.0.0.
 
 Recommendation: call(get-function(missing))
 
    ,
-10 |   foo: call(missing, 1px / 2px, 1px / round(1.5));
-   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+12 |   foo: meta.call(missing, 1px / 2px, 1px / math.round(1.5));
+   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 10:8  root stylesheet
+    input.scss 12:8  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1418/dynamic.hrx b/spec/libsass-closed-issues/issue_1418/dynamic.hrx
index 8e136e80ef..14038c155d 100644
--- a/spec/libsass-closed-issues/issue_1418/dynamic.hrx
+++ b/spec/libsass-closed-issues/issue_1418/dynamic.hrx
@@ -1,6 +1,7 @@
 <===> input.scss
+@use "sass:meta";
 foo {
-    color: call(missing, $a: b);
+    color: meta.call(missing, $a: b);
 }
 
 <===> error
@@ -9,14 +10,14 @@ DEPRECATION WARNING: Passing a string to call() is deprecated and will be illega
 Recommendation: call(get-function(missing))
 
   ,
-2 |     color: call(missing, $a: b);
-  |            ^^^^^^^^^^^^^^^^^^^^
+3 |     color: meta.call(missing, $a: b);
+  |            ^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 2:12  root stylesheet
+    input.scss 3:12  root stylesheet
 
 Error: Plain CSS functions don't support keyword arguments.
   ,
-2 |     color: call(missing, $a: b);
-  |            ^^^^^^^^^^^^^^^^^^^^
+3 |     color: meta.call(missing, $a: b);
+  |            ^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 2:12  root stylesheet
+  input.scss 3:12  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1419/quoted.hrx b/spec/libsass-closed-issues/issue_1419/quoted.hrx
index b6ab559eed..01474103f3 100644
--- a/spec/libsass-closed-issues/issue_1419/quoted.hrx
+++ b/spec/libsass-closed-issues/issue_1419/quoted.hrx
@@ -1,6 +1,7 @@
 <===> input.scss
+@use "sass:string";
 foo {
-  foo: to-upper-case("ab\63 d");
+  foo: string.to-upper-case("ab\63 d");
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_1419/unquoted.hrx b/spec/libsass-closed-issues/issue_1419/unquoted.hrx
index c02a9a065e..835fc19d5b 100644
--- a/spec/libsass-closed-issues/issue_1419/unquoted.hrx
+++ b/spec/libsass-closed-issues/issue_1419/unquoted.hrx
@@ -1,6 +1,7 @@
 <===> input.scss
+@use "sass:string";
 foo {
-  foo: to-upper-case(ab\63 d);
+  foo: string.to-upper-case(ab\63 d);
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_1432/selector-extend.hrx b/spec/libsass-closed-issues/issue_1432/selector-extend.hrx
index 2b9596971a..4f59130145 100644
--- a/spec/libsass-closed-issues/issue_1432/selector-extend.hrx
+++ b/spec/libsass-closed-issues/issue_1432/selector-extend.hrx
@@ -1,11 +1,12 @@
 <===> input.scss
-@debug(selector-extend(".a .b", ".b", null));
+@use "sass:selector";
+@debug(selector.extend(".a .b", ".b", null));
 
 <===> error
 Error: $extender: null is not a valid selector: it must be a string,
 a list of strings, or a list of lists of strings.
   ,
-1 | @debug(selector-extend(".a .b", ".b", null));
+2 | @debug(selector.extend(".a .b", ".b", null));
   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 1:8  root stylesheet
+  input.scss 2:8  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1432/selector-nest.hrx b/spec/libsass-closed-issues/issue_1432/selector-nest.hrx
index 946fad6010..1e1be94f26 100644
--- a/spec/libsass-closed-issues/issue_1432/selector-nest.hrx
+++ b/spec/libsass-closed-issues/issue_1432/selector-nest.hrx
@@ -1,11 +1,12 @@
 <===> input.scss
-@debug(selector-nest("foo", null));
+@use "sass:selector";
+@debug(selector.nest("foo", null));
 
 <===> error
 Error: null is not a valid selector: it must be a string,
 a list of strings, or a list of lists of strings.
   ,
-1 | @debug(selector-nest("foo", null));
+2 | @debug(selector.nest("foo", null));
   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 1:8  root stylesheet
+  input.scss 2:8  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1432/selector-replace.hrx b/spec/libsass-closed-issues/issue_1432/selector-replace.hrx
index 479c1606f8..d9739f9a4e 100644
--- a/spec/libsass-closed-issues/issue_1432/selector-replace.hrx
+++ b/spec/libsass-closed-issues/issue_1432/selector-replace.hrx
@@ -1,11 +1,12 @@
 <===> input.scss
-@debug(selector-replace("foo", "bar", null));
+@use "sass:selector";
+@debug(selector.replace("foo", "bar", null));
 
 <===> error
 Error: $replacement: null is not a valid selector: it must be a string,
 a list of strings, or a list of lists of strings.
   ,
-1 | @debug(selector-replace("foo", "bar", null));
+2 | @debug(selector.replace("foo", "bar", null));
   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 1:8  root stylesheet
+  input.scss 2:8  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1432/selector-unify.hrx b/spec/libsass-closed-issues/issue_1432/selector-unify.hrx
index 9dca21cd35..858405d076 100644
--- a/spec/libsass-closed-issues/issue_1432/selector-unify.hrx
+++ b/spec/libsass-closed-issues/issue_1432/selector-unify.hrx
@@ -1,11 +1,12 @@
 <===> input.scss
-@debug(selector-unify("foo", null));
+@use "sass:selector";
+@debug(selector.unify("foo", null));
 
 <===> error
 Error: $selector2: null is not a valid selector: it must be a string,
 a list of strings, or a list of lists of strings.
   ,
-1 | @debug(selector-unify("foo", null));
+2 | @debug(selector.unify("foo", null));
   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 1:8  root stylesheet
+  input.scss 2:8  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1432/simple-selectors.hrx b/spec/libsass-closed-issues/issue_1432/simple-selectors.hrx
index 41eb93ddcc..2fe9d96238 100644
--- a/spec/libsass-closed-issues/issue_1432/simple-selectors.hrx
+++ b/spec/libsass-closed-issues/issue_1432/simple-selectors.hrx
@@ -1,11 +1,12 @@
 <===> input.scss
-@debug(simple-selectors(null));
+@use "sass:selector";
+@debug(selector.simple-selectors(null));
 
 <===> error
 Error: $selector: null is not a valid selector: it must be a string,
 a list of strings, or a list of lists of strings.
   ,
-1 | @debug(simple-selectors(null));
-  |        ^^^^^^^^^^^^^^^^^^^^^^
+2 | @debug(selector.simple-selectors(null));
+  |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 1:8  root stylesheet
+  input.scss 2:8  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1434.hrx b/spec/libsass-closed-issues/issue_1434.hrx
index b66a1ebc5c..8db2f39fd7 100644
--- a/spec/libsass-closed-issues/issue_1434.hrx
+++ b/spec/libsass-closed-issues/issue_1434.hrx
@@ -1,11 +1,12 @@
 <===> input.scss
+@use "sass:selector";
 .foo {
-    a: selector-nest('.foo', '.bar > .baz');
-    b: selector-nest('.foo', '.bar ~ .baz');
-    c: selector-nest('.foo', '.bar + .baz');
-    d: selector-nest('.foo > .bar', '.baz');
-    e: selector-nest('.foo ~ .bar', '.baz');
-    f: selector-nest('.foo + .bar', '.baz');
+    a: selector.nest('.foo', '.bar > .baz');
+    b: selector.nest('.foo', '.bar ~ .baz');
+    c: selector.nest('.foo', '.bar + .baz');
+    d: selector.nest('.foo > .bar', '.baz');
+    e: selector.nest('.foo ~ .bar', '.baz');
+    f: selector.nest('.foo + .bar', '.baz');
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_1488.hrx b/spec/libsass-closed-issues/issue_1488.hrx
index e4b04e5654..455c76be02 100644
--- a/spec/libsass-closed-issues/issue_1488.hrx
+++ b/spec/libsass-closed-issues/issue_1488.hrx
@@ -1,18 +1,19 @@
 <===> input.scss
+@use "sass:meta";
 @function foo($arg2) {
-  @return type-of($arg2);
+  @return meta.type-of($arg2);
 }
 
 @function foo_($arg2...) {
-  @return type-of($arg2);
+  @return meta.type-of($arg2);
 }
 
 @function bar($arg1, $arg2) {
-  @return type-of($arg1) + "::" + type-of($arg2);
+  @return meta.type-of($arg1) + "::" + meta.type-of($arg2);
 }
 
 @function bar_($arg1, $arg2...) {
-  @return type-of($arg1) + "::" + type-of($arg2);
+  @return meta.type-of($arg1) + "::" + meta.type-of($arg2);
 }
 
 foo {
@@ -20,10 +21,10 @@ foo {
   foo: foo(one...);
   bar: bar(one, two);
   bar: bar(one, two...);
-  foo: call('foo', one);
-  foo: call('foo', one...);
-  bar: call('bar', one, two);
-  bar: call('bar', one, two...);
+  foo: meta.call('foo', one);
+  foo: meta.call('foo', one...);
+  bar: meta.call('bar', one, two);
+  bar: meta.call('bar', one, two...);
 }
 
 bar {
@@ -31,10 +32,10 @@ bar {
   foo: foo_(one...);
   bar: bar_(one, two);
   bar: bar_(one, two...);
-  foo: call('foo_', one);
-  foo: call('foo_', one...);
-  bar: call('bar_', one, two);
-  bar: call('bar_', one, two...);
+  foo: meta.call('foo_', one);
+  foo: meta.call('foo_', one...);
+  bar: meta.call('bar_', one, two);
+  bar: meta.call('bar_', one, two...);
 }
 <===> output.css
 foo {
@@ -65,77 +66,77 @@ DEPRECATION WARNING: Passing a string to call() is deprecated and will be illega
 Recommendation: call(get-function("foo"))
 
    ,
-22 |   foo: call('foo', one);
-   |        ^^^^^^^^^^^^^^^^
+23 |   foo: meta.call('foo', one);
+   |        ^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 22:8  root stylesheet
+    input.scss 23:8  root stylesheet
 
 DEPRECATION WARNING: Passing a string to call() is deprecated and will be illegal in Dart Sass 2.0.0.
 
 Recommendation: call(get-function("foo"))
 
    ,
-23 |   foo: call('foo', one...);
-   |        ^^^^^^^^^^^^^^^^^^^
+24 |   foo: meta.call('foo', one...);
+   |        ^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 23:8  root stylesheet
+    input.scss 24:8  root stylesheet
 
 DEPRECATION WARNING: Passing a string to call() is deprecated and will be illegal in Dart Sass 2.0.0.
 
 Recommendation: call(get-function("bar"))
 
    ,
-24 |   bar: call('bar', one, two);
-   |        ^^^^^^^^^^^^^^^^^^^^^
+25 |   bar: meta.call('bar', one, two);
+   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 24:8  root stylesheet
+    input.scss 25:8  root stylesheet
 
 DEPRECATION WARNING: Passing a string to call() is deprecated and will be illegal in Dart Sass 2.0.0.
 
 Recommendation: call(get-function("bar"))
 
    ,
-25 |   bar: call('bar', one, two...);
-   |        ^^^^^^^^^^^^^^^^^^^^^^^^
+26 |   bar: meta.call('bar', one, two...);
+   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 25:8  root stylesheet
+    input.scss 26:8  root stylesheet
 
 DEPRECATION WARNING: Passing a string to call() is deprecated and will be illegal in Dart Sass 2.0.0.
 
 Recommendation: call(get-function("foo_"))
 
    ,
-33 |   foo: call('foo_', one);
-   |        ^^^^^^^^^^^^^^^^^
+34 |   foo: meta.call('foo_', one);
+   |        ^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 33:8  root stylesheet
+    input.scss 34:8  root stylesheet
 
 DEPRECATION WARNING: Passing a string to call() is deprecated and will be illegal in Dart Sass 2.0.0.
 
 Recommendation: call(get-function("foo_"))
 
    ,
-34 |   foo: call('foo_', one...);
-   |        ^^^^^^^^^^^^^^^^^^^^
+35 |   foo: meta.call('foo_', one...);
+   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 34:8  root stylesheet
+    input.scss 35:8  root stylesheet
 
 DEPRECATION WARNING: Passing a string to call() is deprecated and will be illegal in Dart Sass 2.0.0.
 
 Recommendation: call(get-function("bar_"))
 
    ,
-35 |   bar: call('bar_', one, two);
-   |        ^^^^^^^^^^^^^^^^^^^^^^
+36 |   bar: meta.call('bar_', one, two);
+   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 35:8  root stylesheet
+    input.scss 36:8  root stylesheet
 
 DEPRECATION WARNING: Passing a string to call() is deprecated and will be illegal in Dart Sass 2.0.0.
 
 Recommendation: call(get-function("bar_"))
 
    ,
-36 |   bar: call('bar_', one, two...);
-   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
+37 |   bar: meta.call('bar_', one, two...);
+   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    '
-    input.scss 36:8  root stylesheet
+    input.scss 37:8  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_151.hrx b/spec/libsass-closed-issues/issue_151.hrx
index fd7a280980..93d8043096 100644
--- a/spec/libsass-closed-issues/issue_151.hrx
+++ b/spec/libsass-closed-issues/issue_151.hrx
@@ -1,14 +1,15 @@
 <===> input.scss
+@use "sass:color";
 div.colors {
-  background: grayscale(red);
+  background: color.grayscale(red);
   background: saturate(red);
-  background: invert(red);
-  background: alpha(red);
-  color: grayscale(#369);
+  background: color.invert(red);
+  background: color.alpha(red);
+  color: color.grayscale(#369);
   color: saturate(#369);
-  color: saturate(#369, 20%);
-  color: invert(#369);
-  color: alpha(#369);
+  color: color.adjust(#369, $saturation: 20%);
+  color: color.invert(#369);
+  color: color.alpha(#369);
 }
 
 div.numbers {
@@ -23,7 +24,7 @@ div.numbers {
 <===> error
 Error: $amount: red is not a number.
   ,
-3 |   background: saturate(red);
+4 |   background: saturate(red);
   |               ^^^^^^^^^^^^^
   '
-  input.scss 3:15  root stylesheet
+  input.scss 4:15  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1535.hrx b/spec/libsass-closed-issues/issue_1535.hrx
index 961fb2fea7..13e8906572 100644
--- a/spec/libsass-closed-issues/issue_1535.hrx
+++ b/spec/libsass-closed-issues/issue_1535.hrx
@@ -1,6 +1,7 @@
 <===> input.scss
+@use "sass:meta";
 foo {
-    test: type-of(1--em);
+    test: meta.type-of(1--em);
     test: (1--em-2--em);
     test: (1--em- 2--em);
     test: (1--em -2--em);
diff --git a/spec/libsass-closed-issues/issue_1566.hrx b/spec/libsass-closed-issues/issue_1566.hrx
index 10012c6ab2..e32b053dcd 100644
--- a/spec/libsass-closed-issues/issue_1566.hrx
+++ b/spec/libsass-closed-issues/issue_1566.hrx
@@ -1,10 +1,11 @@
 <===> input.scss
+@use "sass:meta";
 @function foo($predicate) {
-  @return call('bar', $predicate);
+  @return meta.call('bar', $predicate);
 }
 
 @function bar($predicate) {
-  @return type-of($predicate);
+  @return meta.type-of($predicate);
 }
 
 test {
@@ -22,8 +23,8 @@ DEPRECATION WARNING: Passing a string to call() is deprecated and will be illega
 Recommendation: call(get-function("bar"))
 
   ,
-2 |   @return call('bar', $predicate);
-  |           ^^^^^^^^^^^^^^^^^^^^^^^
+3 |   @return meta.call('bar', $predicate);
+  |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 2:11  foo()
-    input.scss 10:9  root stylesheet
+    input.scss 3:11  foo()
+    input.scss 11:9  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1579.hrx b/spec/libsass-closed-issues/issue_1579.hrx
index 888f34cf48..76f1faeca8 100644
--- a/spec/libsass-closed-issues/issue_1579.hrx
+++ b/spec/libsass-closed-issues/issue_1579.hrx
@@ -1,10 +1,11 @@
 <===> input.scss
+@use "sass:meta";
 @function foo($a, $b: null, $c: false) {
   @return $c;
 }
 
 @function bar($args...) {
-  @return call(foo, $args...);
+  @return meta.call(foo, $args...);
 }
 
 test {
@@ -22,8 +23,8 @@ DEPRECATION WARNING: Passing a string to call() is deprecated and will be illega
 Recommendation: call(get-function(foo))
 
   ,
-6 |   @return call(foo, $args...);
-  |           ^^^^^^^^^^^^^^^^^^^
+7 |   @return meta.call(foo, $args...);
+  |           ^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 6:11  bar()
-    input.scss 10:9  root stylesheet
+    input.scss 7:11  bar()
+    input.scss 11:9  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1583.hrx b/spec/libsass-closed-issues/issue_1583.hrx
index 51a18f23a7..dd5e3d75e8 100644
--- a/spec/libsass-closed-issues/issue_1583.hrx
+++ b/spec/libsass-closed-issues/issue_1583.hrx
@@ -19,8 +19,8 @@ bar {
 
 foo {
   string: meta.inspect(&);
-  str-length: str-length(meta.inspect(&));
-  list-length: length(&);
+  str-length: string.length(meta.inspect(&));
+  list-length: list.length(&);
 }
 
 foo, bar {
diff --git a/spec/libsass-closed-issues/issue_1622.hrx b/spec/libsass-closed-issues/issue_1622.hrx
index 7094833663..ed30e49dd5 100644
--- a/spec/libsass-closed-issues/issue_1622.hrx
+++ b/spec/libsass-closed-issues/issue_1622.hrx
@@ -1,10 +1,12 @@
 <===> input.scss
+@use "sass:list";
+@use "sass:meta";
 @function foo($list) {
-    @return call(bar, $list);
+    @return meta.call(bar, $list);
 }
 
 @function bar($list, $args...) {
-    @return length($list);
+    @return list.length($list);
 }
 
 test {
@@ -22,8 +24,8 @@ DEPRECATION WARNING: Passing a string to call() is deprecated and will be illega
 Recommendation: call(get-function(bar))
 
   ,
-2 |     @return call(bar, $list);
-  |             ^^^^^^^^^^^^^^^^
+4 |     @return meta.call(bar, $list);
+  |             ^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 2:13  foo()
-    input.scss 10:9  root stylesheet
+    input.scss 4:13  foo()
+    input.scss 12:9  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1634.hrx b/spec/libsass-closed-issues/issue_1634.hrx
index 81f5a76548..bc6dec9f9f 100644
--- a/spec/libsass-closed-issues/issue_1634.hrx
+++ b/spec/libsass-closed-issues/issue_1634.hrx
@@ -1,12 +1,14 @@
 <===> input.scss
+@use "sass:list";
+@use "sass:meta";
 $empty-list: ();
 
 @function foo($args...) {
-    @return call(bar, $args...);
+    @return meta.call(bar, $args...);
 }
 
 @function bar($list) {
-    @return length($list);
+    @return list.length($list);
 }
 
 test {
@@ -23,8 +25,8 @@ DEPRECATION WARNING: Passing a string to call() is deprecated and will be illega
 Recommendation: call(get-function(bar))
 
   ,
-4 |     @return call(bar, $args...);
-  |             ^^^^^^^^^^^^^^^^^^^
+6 |     @return meta.call(bar, $args...);
+  |             ^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 4:13  foo()
-    input.scss 12:9  root stylesheet
+    input.scss 6:13  foo()
+    input.scss 14:9  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1644/complex.hrx b/spec/libsass-closed-issues/issue_1644/complex.hrx
index 9022c10acf..19051d33c1 100644
--- a/spec/libsass-closed-issues/issue_1644/complex.hrx
+++ b/spec/libsass-closed-issues/issue_1644/complex.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:map";
 $tablet-portrait:                 768px;
 $tablet-landscape:                980px;
 $desk-normal:                     1120px;
@@ -26,7 +27,7 @@ $grid-breakpoints-immobile: (
   }
 }
 
-@each $name in map-keys($grid-breakpoints-immobile) {
+@each $name in map.keys($grid-breakpoints-immobile) {
   @include grid-media-query($name, $grid-breakpoints-immobile) {
     body.immobile & {
       margin-bottom: 0;
@@ -37,9 +38,9 @@ $grid-breakpoints-immobile: (
 <===> error
 Error: Top-level selectors may not contain the parent selector "&".
    ,
-30 |     body.immobile & {
+31 |     body.immobile & {
    |                   ^
    '
-  input.scss 30:19  @content
-  input.scss 22:9   grid-media-query()
-  input.scss 29:3   root stylesheet
+  input.scss 31:19  @content
+  input.scss 23:9   grid-media-query()
+  input.scss 30:3   root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1645.hrx b/spec/libsass-closed-issues/issue_1645.hrx
index 50b4d6b7e8..97c6d854fb 100644
--- a/spec/libsass-closed-issues/issue_1645.hrx
+++ b/spec/libsass-closed-issues/issue_1645.hrx
@@ -1,10 +1,12 @@
 <===> input.scss
+@use "sass:list";
+@use "sass:meta";
 @function foo($a, $should-be-empty...) {
-  @return length($should-be-empty);
+  @return list.length($should-be-empty);
 }
 
 @function bar($args...) {
-  @return call(foo, $args...);
+  @return meta.call(foo, $args...);
 }
 
 @function args($args...) {
@@ -28,8 +30,8 @@ DEPRECATION WARNING: Passing a string to call() is deprecated and will be illega
 Recommendation: call(get-function(foo))
 
   ,
-6 |   @return call(foo, $args...);
-  |           ^^^^^^^^^^^^^^^^^^^
+8 |   @return meta.call(foo, $args...);
+  |           ^^^^^^^^^^^^^^^^^^^^^^^^
   '
-    input.scss 6:11  bar()
-    input.scss 16:9  root stylesheet
+    input.scss 8:11  bar()
+    input.scss 18:9  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1647/selectors.hrx b/spec/libsass-closed-issues/issue_1647/selectors.hrx
index 0a6f1e321a..cdb15f1739 100644
--- a/spec/libsass-closed-issues/issue_1647/selectors.hrx
+++ b/spec/libsass-closed-issues/issue_1647/selectors.hrx
@@ -1,20 +1,22 @@
 <===> input.scss
+@use "sass:list";
+@use "sass:map";
 $map: (foo: 'b', bar: c);
 $list: ('d', e);
 
 a {
-  #{map-get($map, foo)} & {
+  #{map.get($map, foo)} & {
       foo: bar;
   }
-  #{map-get($map, bar)} & {
+  #{map.get($map, bar)} & {
       foo: bar;
   }
 
-  #{nth($list, 1)} & {
+  #{list.nth($list, 1)} & {
       foo: bar;
   }
 
-  #{nth($list, 2)} & {
+  #{list.nth($list, 2)} & {
       foo: bar;
   }
 }
diff --git a/spec/libsass-closed-issues/issue_1667.hrx b/spec/libsass-closed-issues/issue_1667.hrx
index 7b58ce9104..53c1f06f05 100644
--- a/spec/libsass-closed-issues/issue_1667.hrx
+++ b/spec/libsass-closed-issues/issue_1667.hrx
@@ -1,12 +1,13 @@
 <===> input.scss
+@use "sass:map";
 $map: (
   1: 1,
   1px: 1px
 );
 
 foo {
-  a: map-get($map, 1);
-  b: map-get($map, 1px);
+  a: map.get($map, 1);
+  b: map.get($map, 1px);
 }
 
 $type-scale: (
@@ -41,8 +42,8 @@ $type-scale: (
 );
 
 @function get-size($size) {
-	@if map-has-key($type-scale, $size) {
-		@return map-get($type-scale, $size);
+	@if map.has-key($type-scale, $size) {
+		@return map.get($type-scale, $size);
 	}
 
 	@warn "Not a valid size.";
diff --git a/spec/libsass-closed-issues/issue_1709.hrx b/spec/libsass-closed-issues/issue_1709.hrx
index 13eb585d2f..176dcaf518 100644
--- a/spec/libsass-closed-issues/issue_1709.hrx
+++ b/spec/libsass-closed-issues/issue_1709.hrx
@@ -1,9 +1,10 @@
 <===> input.scss
+@use "sass:string";
 @use "sass:meta";
 
 @mixin transition( $prefix_properties, $transitions... ) {
 
-    @if not str-index( meta.inspect( $transitions ), ',') {
+    @if not string.index( meta.inspect( $transitions ), ',') {
         $transitions: ( $transitions );
     }
 
diff --git a/spec/libsass-closed-issues/issue_1722.hrx b/spec/libsass-closed-issues/issue_1722.hrx
index a047f0c8b2..16b8f64e7f 100644
--- a/spec/libsass-closed-issues/issue_1722.hrx
+++ b/spec/libsass-closed-issues/issue_1722.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:map";
 $score: (item-height: 1.12em);
 .test {
-    background-position: 0 -#{map-get($score, item-height)};
+    background-position: 0 -#{map.get($score, item-height)};
 }
 
 
diff --git a/spec/libsass-closed-issues/issue_1723.hrx b/spec/libsass-closed-issues/issue_1723.hrx
index 564d040d06..9d92a98d50 100644
--- a/spec/libsass-closed-issues/issue_1723.hrx
+++ b/spec/libsass-closed-issues/issue_1723.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:list";
 @use "sass:meta";
 
 test-1 test-2 test-3 test-4 test-5,
@@ -14,8 +15,8 @@ test-6 test-7 test-8 test-9 test-10 {
 
 test-1 test-2 test-3 test-4 test-5,
 test-6 test-7 test-8 test-9 test-10 {
-    @for $i from 1 through length(&) {
-        $set: nth(&, $i);
+    @for $i from 1 through list.length(&) {
+        $set: list.nth(&, $i);
         set: meta.inspect($set);
 
         @each $selector in $set {
diff --git a/spec/libsass-closed-issues/issue_1757/each.hrx b/spec/libsass-closed-issues/issue_1757/each.hrx
index 68243fc49c..40e2a73f64 100644
--- a/spec/libsass-closed-issues/issue_1757/each.hrx
+++ b/spec/libsass-closed-issues/issue_1757/each.hrx
@@ -1,17 +1,18 @@
 <===> input.scss
+@use "sass:list";
 .test .nest {
-  length: length(&);
+  length: list.length(&);
   @each $list in & {
     list: $list;
-    length: length($list);
+    length: list.length($list);
   }
 }
 
 .test, .other {
-  length: length(&);
+  length: list.length(&);
   @each $list in & {
     list: $list;
-    length: length($list);
+    length: list.length($list);
   }
 }
 
diff --git a/spec/libsass-closed-issues/issue_1757/for.hrx b/spec/libsass-closed-issues/issue_1757/for.hrx
index 0f835bbe35..4647736465 100644
--- a/spec/libsass-closed-issues/issue_1757/for.hrx
+++ b/spec/libsass-closed-issues/issue_1757/for.hrx
@@ -1,19 +1,20 @@
 <===> input.scss
+@use "sass:list";
 .test .nest {
-  length: length(&);
-  @for $i from 1 through length(&) {
-    $list: nth(&, $i);
+  length: list.length(&);
+  @for $i from 1 through list.length(&) {
+    $list: list.nth(&, $i);
     list: $list;
-    length: length($list);
+    length: list.length($list);
   }
 }
 
 .test, .other {
-  length: length(&);
-  @for $i from 1 through length(&) {
-    $list: nth(&, $i);
+  length: list.length(&);
+  @for $i from 1 through list.length(&) {
+    $list: list.nth(&, $i);
     list: $list;
-    length: length($list);
+    length: list.length($list);
   }
 }
 
diff --git a/spec/libsass-closed-issues/issue_1796.hrx b/spec/libsass-closed-issues/issue_1796.hrx
index f3377afb25..77d40bd7ab 100644
--- a/spec/libsass-closed-issues/issue_1796.hrx
+++ b/spec/libsass-closed-issues/issue_1796.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:list";
 .parent {
     .brother, .sister, .cousin {
         color: green;
@@ -6,8 +7,8 @@
 
         $new-sel: ();
         @each $s in & {
-            $last: nth($s, -1);
-            $new-sel: append($new-sel, $s #{'+'} $last, comma);
+            $last: list.nth($s, -1);
+            $new-sel: list.append($new-sel, $s #{'+'} $last, comma);
             x: $new-sel;
         }
         @at-root #{$new-sel} {
diff --git a/spec/libsass-closed-issues/issue_1819.hrx b/spec/libsass-closed-issues/issue_1819.hrx
index 7de5394ef0..170e106d61 100644
--- a/spec/libsass-closed-issues/issue_1819.hrx
+++ b/spec/libsass-closed-issues/issue_1819.hrx
@@ -1,6 +1,8 @@
 <===> input.scss
+@use "sass:meta";
+@use "sass:selector";
 foo {
-  bar: type-of(selector-unify('p', 'a'));
+  bar: meta.type-of(selector.unify('p', 'a'));
 }
 <===> output.css
 foo {
diff --git a/spec/libsass-closed-issues/issue_185/mixin.hrx b/spec/libsass-closed-issues/issue_185/mixin.hrx
index c970ee9bb9..7682d5523d 100644
--- a/spec/libsass-closed-issues/issue_185/mixin.hrx
+++ b/spec/libsass-closed-issues/issue_185/mixin.hrx
@@ -1,19 +1,20 @@
 <===> input.scss
+@use "sass:list";
 @function shift($list) {
-  @if length($list) == 1 { @return (); }
+  @if list.length($list) == 1 { @return (); }
 
   $new: ();
-  @for $i from 2 through length($list) {
-    $new: append($new, nth($list, $i));
+  @for $i from 2 through list.length($list) {
+    $new: list.append($new, list.nth($list, $i));
   }
   @return $new;
 }
 
 @mixin media($medias...) {
-  @if length($medias) == 0 {
+  @if list.length($medias) == 0 {
     @content;
   } @else {
-    @media #{nth($medias, 1)} {
+    @media #{list.nth($medias, 1)} {
       @include media(shift($medias)...) {
         @content;
       }
diff --git a/spec/libsass-closed-issues/issue_1926.hrx b/spec/libsass-closed-issues/issue_1926.hrx
index da5bb588b5..d21ff415e4 100644
--- a/spec/libsass-closed-issues/issue_1926.hrx
+++ b/spec/libsass-closed-issues/issue_1926.hrx
@@ -1,4 +1,5 @@
 <===> input.sass
+@use "sass:list"
 // The amount of the column of a single row.
 $columnAmount: 16
 
@@ -7,10 +8,10 @@ $columnName  : one two three four five six seven eight nine ten eleven twelve th
 
 =column-generator
   @for $i from 1 through $columnAmount
-    [class*="#{nth($columnName, $i)} wide"]
+    [class*="#{list.nth($columnName, $i)} wide"]
       width: 100% / $columnAmount * $i 
 
-    &[class*="#{nth($columnName, $i)} column"], & .row[class*="#{nth($columnName, $i)} column"]
+    &[class*="#{list.nth($columnName, $i)} column"], & .row[class*="#{list.nth($columnName, $i)} column"]
       > .column:not(.row)
         width  : 100% / $columnAmount * $i !important
 
@@ -122,11 +123,11 @@ Recommendation: math.div(100%, $columnAmount) or calc(100% / $columnAmount)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
    ,
-10 |       width: 100% / $columnAmount * $i 
+11 |       width: 100% / $columnAmount * $i 
    |              ^^^^^^^^^^^^^^^^^^^^
    '
-    input.sass 10:14  column-generator()
-    input.sass 17:3   root stylesheet
+    input.sass 11:14  column-generator()
+    input.sass 18:3   root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -135,8 +136,8 @@ Recommendation: math.div(100%, $columnAmount) or calc(100% / $columnAmount)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
    ,
-14 |         width  : 100% / $columnAmount * $i !important
+15 |         width  : 100% / $columnAmount * $i !important
    |                  ^^^^^^^^^^^^^^^^^^^^
    '
-    input.sass 14:18  column-generator()
-    input.sass 17:3   root stylesheet
+    input.sass 15:18  column-generator()
+    input.sass 18:3   root stylesheet
diff --git a/spec/libsass-closed-issues/issue_1940.hrx b/spec/libsass-closed-issues/issue_1940.hrx
index 6ff0b5b7c8..8fb2bdd9d4 100644
--- a/spec/libsass-closed-issues/issue_1940.hrx
+++ b/spec/libsass-closed-issues/issue_1940.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:map";
 // ----
 // libsass (v3.3.2)
 // ----
@@ -8,17 +9,17 @@ $prefix:(
 	bar: #bar
 );
 
-#{map-get($prefix, foo)} {
+#{map.get($prefix, foo)} {
   color: red;
 }
-#{map-get($prefix, bar)} {
+#{map.get($prefix, bar)} {
   color: red;
 }
 
-#{map-get($prefix, foo)} .baz {
+#{map.get($prefix, foo)} .baz {
   color: red;
 }
-#{map-get($prefix, bar)} .baz {
+#{map.get($prefix, bar)} .baz {
   color: red;
 }
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_1947.hrx b/spec/libsass-closed-issues/issue_1947.hrx
index 7c449864ad..b52e607e3e 100644
--- a/spec/libsass-closed-issues/issue_1947.hrx
+++ b/spec/libsass-closed-issues/issue_1947.hrx
@@ -1,5 +1,6 @@
 <===> input.scss
-.a-#{quote('' + b)} {
+@use "sass:string";
+.a-#{string.quote('' + b)} {
   c: d;
 }
 
diff --git a/spec/libsass-closed-issues/issue_1969.hrx b/spec/libsass-closed-issues/issue_1969.hrx
index 23f1193028..97286453fc 100644
--- a/spec/libsass-closed-issues/issue_1969.hrx
+++ b/spec/libsass-closed-issues/issue_1969.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:color";
 $base-text-color: #666;
 
 @function calcNavbarTextColor ($base-text-color) {
@@ -8,7 +9,7 @@ $base-text-color: #666;
 $header-text-color: calcNavbarTextColor($base-text-color);
 
 .test_class {
-        color: lighten($header-text-color, 20%);
+        color: color.adjust($header-text-color, $lightness: 20%);
 }
 <===> output.css
 .test_class {
diff --git a/spec/libsass-closed-issues/issue_2020.hrx b/spec/libsass-closed-issues/issue_2020.hrx
index 12f1736e99..faa5029424 100644
--- a/spec/libsass-closed-issues/issue_2020.hrx
+++ b/spec/libsass-closed-issues/issue_2020.hrx
@@ -1,10 +1,11 @@
 <===> input.scss
+@use "sass:list";
 @use "sass:meta";
 
 form {
-  $selector: nth(&, 1);
+  $selector: list.nth(&, 1);
   sel: meta.inspect($selector);
-  $selector: nth($selector, 1);
+  $selector: list.nth($selector, 1);
   sel: meta.inspect($selector);
 }
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_2031/extended-not.hrx b/spec/libsass-closed-issues/issue_2031/extended-not.hrx
index 30b455dbb3..9775d183d2 100644
--- a/spec/libsass-closed-issues/issue_2031/extended-not.hrx
+++ b/spec/libsass-closed-issues/issue_2031/extended-not.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:selector";
 :not(.foo) {
   content: test;
 }
@@ -7,7 +8,7 @@
 }
 
 test {
-  content: selector-extend(":not(.foo)", ".foo", ".bar");
+  content: selector.extend(":not(.foo)", ".foo", ".bar");
 }
 <===> output.css
 :not(.foo):not(.bar):not(.baz) {
diff --git a/spec/libsass-closed-issues/issue_2112.hrx b/spec/libsass-closed-issues/issue_2112.hrx
index b232140170..824e99e404 100644
--- a/spec/libsass-closed-issues/issue_2112.hrx
+++ b/spec/libsass-closed-issues/issue_2112.hrx
@@ -1,10 +1,11 @@
 <===> input.scss
+@use "sass:color";
 $color: #1caf9a;
 
 body {
-  test-01: change-color($color, $hue: -240);
-  test-03: change-color($color, $hue: 120);
-  test-02: change-color($color, $hue: 480);
+  test-01: color.change($color, $hue: -240);
+  test-03: color.change($color, $hue: 120);
+  test-02: color.change($color, $hue: 480);
 }
 <===> output.css
 body {
diff --git a/spec/libsass-closed-issues/issue_2156/debug.hrx b/spec/libsass-closed-issues/issue_2156/debug.hrx
index f4def9b25d..3148e4d76d 100644
--- a/spec/libsass-closed-issues/issue_2156/debug.hrx
+++ b/spec/libsass-closed-issues/issue_2156/debug.hrx
@@ -1,15 +1,16 @@
 <===> input.scss
+@use "sass:string";
 @debug "\"foo\"" + "";
 @debug "" + "\"foo\"";
 @debug "" + "\"foo";
 @debug "\"foo\"" + "bar";
-@debug unquote("\"foo\" and \"bar\"");
+@debug string.unquote("\"foo\" and \"bar\"");
 
 <===> output.css
 
 <===> warning
-/sass/spec/libsass-issues/issue_2156/input.scss:1 DEBUG: "foo"
-/sass/spec/libsass-issues/issue_2156/input.scss:2 DEBUG: "foo"
-/sass/spec/libsass-issues/issue_2156/input.scss:3 DEBUG: "foo
-/sass/spec/libsass-issues/issue_2156/input.scss:4 DEBUG: "foo"bar
-/sass/spec/libsass-issues/issue_2156/input.scss:5 DEBUG: "foo" and "bar"
+input.scss:2 DEBUG: "foo"
+input.scss:3 DEBUG: "foo"
+input.scss:4 DEBUG: "foo
+input.scss:5 DEBUG: "foo"bar
+input.scss:6 DEBUG: "foo" and "bar"
diff --git a/spec/libsass-closed-issues/issue_2156/error.hrx b/spec/libsass-closed-issues/issue_2156/error.hrx
index b7e54bd8db..91fc1da540 100644
--- a/spec/libsass-closed-issues/issue_2156/error.hrx
+++ b/spec/libsass-closed-issues/issue_2156/error.hrx
@@ -1,10 +1,11 @@
 <===> input.scss
-@error unquote("\"foo\" and \"bar\"");
+@use "sass:string";
+@error string.unquote("\"foo\" and \"bar\"");
 
 <===> error
 Error: "foo" and "bar"
   ,
-1 | @error unquote("\"foo\" and \"bar\"");
-  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+2 | @error string.unquote("\"foo\" and \"bar\"");
+  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 1:1  root stylesheet
+  input.scss 2:1  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_2156/warn.hrx b/spec/libsass-closed-issues/issue_2156/warn.hrx
index def10d7cbc..03becaeda5 100644
--- a/spec/libsass-closed-issues/issue_2156/warn.hrx
+++ b/spec/libsass-closed-issues/issue_2156/warn.hrx
@@ -1,24 +1,25 @@
 <===> input.scss
+@use "sass:string";
 @warn "\"foo\"" + "";
 @warn "" + "\"foo\"";
 @warn "" + "\"foo";
 @warn "\"foo\"" + "bar";
-@warn unquote("\"foo\" and \"bar\"");
+@warn string.unquote("\"foo\" and \"bar\"");
 
 <===> output.css
 
 <===> warning
 WARNING: "foo"
-    input.scss 1:1  root stylesheet
+    input.scss 2:1  root stylesheet
 
 WARNING: "foo"
-    input.scss 2:1  root stylesheet
+    input.scss 3:1  root stylesheet
 
 WARNING: "foo
-    input.scss 3:1  root stylesheet
+    input.scss 4:1  root stylesheet
 
 WARNING: "foo"bar
-    input.scss 4:1  root stylesheet
+    input.scss 5:1  root stylesheet
 
 WARNING: "foo" and "bar"
-    input.scss 5:1  root stylesheet
+    input.scss 6:1  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_224.hrx b/spec/libsass-closed-issues/issue_224.hrx
index 3f3d0491dd..97fe8e940c 100644
--- a/spec/libsass-closed-issues/issue_224.hrx
+++ b/spec/libsass-closed-issues/issue_224.hrx
@@ -1,11 +1,12 @@
 <===> input.scss
+@use "sass:list";
 $list: ("a", "b", "c");
 
 test {
-    content: nth($list, -1);
-    content: nth($list, -2);
-    content: nth($list, -3);
-    content: nth($list, -1) == nth($list, length($list));
+    content: list.nth($list, -1);
+    content: list.nth($list, -2);
+    content: list.nth($list, -3);
+    content: list.nth($list, -1) == list.nth($list, list.length($list));
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_2246.hrx b/spec/libsass-closed-issues/issue_2246.hrx
index 0636fa9549..f582cec8d7 100644
--- a/spec/libsass-closed-issues/issue_2246.hrx
+++ b/spec/libsass-closed-issues/issue_2246.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:math";
 @mixin foo($option: 'foo') {
      // Create a unique, random placeholder to store styles
-    $placeholder : $option + random(9999);
+    $placeholder : $option + math.random(9999);
 
     // Store the styles in the placeholder
     @at-root %#{$placeholder} {
diff --git a/spec/libsass-closed-issues/issue_2309.hrx b/spec/libsass-closed-issues/issue_2309.hrx
index 0e0bd7d8e5..b144a984d8 100644
--- a/spec/libsass-closed-issues/issue_2309.hrx
+++ b/spec/libsass-closed-issues/issue_2309.hrx
@@ -1,4 +1,6 @@
 <===> input.scss
+@use "sass:list";
+@use "sass:map";
 $button-sizes: (
   'xs': (
     'line-height': 16 / 12,
@@ -15,10 +17,10 @@ $button-sizes: (
 );
 
 @each $size in $button-sizes {
-  $size-metrics: nth($size, 2);
+  $size-metrics: list.nth($size, 2);
 
   .c-button__icon {
-    min-height: map-get($size-metrics, 'line-height') * 1em;
+    min-height: map.get($size-metrics, 'line-height') * 1em;
   }
 }
 <===> output.css
@@ -46,10 +48,10 @@ Recommendation: math.div(16, 12) or calc(16 / 12)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-3 |     'line-height': 16 / 12,
+5 |     'line-height': 16 / 12,
   |                    ^^^^^^^
   '
-    input.scss 3:20  root stylesheet
+    input.scss 5:20  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -58,10 +60,10 @@ Recommendation: math.div(18, 14) or calc(18 / 14)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
   ,
-6 |     'line-height': 18 / 14,
+8 |     'line-height': 18 / 14,
   |                    ^^^^^^^
   '
-    input.scss 6:20  root stylesheet
+    input.scss 8:20  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -69,11 +71,11 @@ Recommendation: math.div(18, 14) or calc(18 / 14)
 
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
-  ,
-9 |     'line-height': 18 / 14,
-  |                    ^^^^^^^
-  '
-    input.scss 9:20  root stylesheet
+   ,
+11 |     'line-height': 18 / 14,
+   |                    ^^^^^^^
+   '
+    input.scss 11:20  root stylesheet
 
 DEPRECATION WARNING: Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.
 
@@ -82,7 +84,7 @@ Recommendation: math.div(22, 16) or calc(22 / 16)
 More info and automated migrator: https://sass-lang.com/d/slash-div
 
    ,
-12 |     'line-height': 22 / 16,
+14 |     'line-height': 22 / 16,
    |                    ^^^^^^^
    '
-    input.scss 12:20  root stylesheet
+    input.scss 14:20  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_2374.hrx b/spec/libsass-closed-issues/issue_2374.hrx
index 07983f39a1..5d0b4629e2 100644
--- a/spec/libsass-closed-issues/issue_2374.hrx
+++ b/spec/libsass-closed-issues/issue_2374.hrx
@@ -1,29 +1,30 @@
 <===> input.scss
-$colors: (
-    yellow: #ffeb3b
-);
-@each $name, $color in $colors {
-    $amount: 40;
-    @for $i from 0 through 9 {
-        .#{$name}-#{($i*100)} { background-color: lighten($color, $amount) };
-        $amount: $amount - 2;
-    }
-}
-
-$colors: (
-    yellow: yellow,
-    red: red,
-    blue: blue,
-    
-);
-@each $name, $color in $colors {
-    @for $i from 0 through 2 {
-        .#{$name}-#{($i*100)} { 
-          background-color: lighten($color, 10) 
-        };
-    }
-}
-
+@use "sass:color";
+$colors: (
+    yellow: #ffeb3b
+);
+@each $name, $color in $colors {
+    $amount: 40%;
+    @for $i from 0 through 9 {
+        .#{$name}-#{($i*100)} { background-color: color.adjust($color, $lightness: $amount) };
+        $amount: $amount - 2;
+    }
+}
+
+$colors: (
+    yellow: yellow,
+    red: red,
+    blue: blue,
+
+);
+@each $name, $color in $colors {
+    @for $i from 0 through 2 {
+        .#{$name}-#{($i*100)} {
+          background-color: color.adjust($color, $lightness: 10%)
+        };
+    }
+}
+
 
 <===> output.css
 .yellow-0 {
@@ -109,10 +110,10 @@ Always quote color names when using them as strings or map keys (for example, "y
 If you really want to use the color value here, use '"" + $name'.
 
   ,
-7 |         .#{$name}-#{($i*100)} { background-color: lighten($color, $amount) };
+8 |         .#{$name}-#{($i*100)} { background-color: color.adjust($color, $lightness: $amount) };
   |            ^^^^^
   '
-    input.scss 7:12  root stylesheet
+    input.scss 8:12  root stylesheet
 
 WARNING: You probably don't mean to use the color value yellow in interpolation here.
 It may end up represented as yellow, which will likely produce invalid CSS.
@@ -120,10 +121,10 @@ Always quote color names when using them as strings or map keys (for example, "y
 If you really want to use the color value here, use '"" + $name'.
 
    ,
-20 |         .#{$name}-#{($i*100)} { 
+21 |         .#{$name}-#{($i*100)} {
    |            ^^^^^
    '
-    input.scss 20:12  root stylesheet
+    input.scss 21:12  root stylesheet
 
 WARNING: You probably don't mean to use the color value red in interpolation here.
 It may end up represented as red, which will likely produce invalid CSS.
@@ -131,10 +132,10 @@ Always quote color names when using them as strings or map keys (for example, "r
 If you really want to use the color value here, use '"" + $name'.
 
    ,
-20 |         .#{$name}-#{($i*100)} { 
+21 |         .#{$name}-#{($i*100)} {
    |            ^^^^^
    '
-    input.scss 20:12  root stylesheet
+    input.scss 21:12  root stylesheet
 
 WARNING: You probably don't mean to use the color value blue in interpolation here.
 It may end up represented as blue, which will likely produce invalid CSS.
@@ -142,7 +143,7 @@ Always quote color names when using them as strings or map keys (for example, "b
 If you really want to use the color value here, use '"" + $name'.
 
    ,
-20 |         .#{$name}-#{($i*100)} { 
+21 |         .#{$name}-#{($i*100)} {
    |            ^^^^^
    '
-    input.scss 20:12  root stylesheet
+    input.scss 21:12  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_2394.hrx b/spec/libsass-closed-issues/issue_2394.hrx
index 52540e0e61..430d3fd0ff 100644
--- a/spec/libsass-closed-issues/issue_2394.hrx
+++ b/spec/libsass-closed-issues/issue_2394.hrx
@@ -1,6 +1,8 @@
 <===> input.scss
+@use "sass:map";
+@use "sass:meta";
 @mixin brokenTest($color: red, $variableArguments...) {
-  $width: map-get(keywords($variableArguments), width);
+  $width: map.get(meta.keywords($variableArguments), width);
   a {
     width: $width;
     color: $color;
@@ -8,8 +10,8 @@
 }
 
 @mixin workingTest($variableArguments...) {
-  $width: map-get(keywords($variableArguments), width);
-  $color: map-get(keywords($variableArguments), color);
+  $width: map.get(meta.keywords($variableArguments), width);
+  $color: map.get(meta.keywords($variableArguments), color);
   a {
     width: $width;
     color: $color;
diff --git a/spec/libsass-closed-issues/issue_2462.hrx b/spec/libsass-closed-issues/issue_2462.hrx
index 5352dfeaa5..2cbb857090 100644
--- a/spec/libsass-closed-issues/issue_2462.hrx
+++ b/spec/libsass-closed-issues/issue_2462.hrx
@@ -1,6 +1,7 @@
 <===> input.scss
+@use "sass:color";
 b {
-    color: lighten(Crimson, 10%);
+    color: color.adjust(Crimson, $lightness: 10%);
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_2520.hrx b/spec/libsass-closed-issues/issue_2520.hrx
index 1014ed0545..42d7d15ce5 100644
--- a/spec/libsass-closed-issues/issue_2520.hrx
+++ b/spec/libsass-closed-issues/issue_2520.hrx
@@ -4,6 +4,11 @@
 - dart-sass
 
 <===> input.scss
+@use "sass:list";
+@use "sass:map";
+@use "sass:meta";
+@use "sass:selector";
+@use "sass:string";
 // ----
 // Sass (v3.4.21)
 // Compass (v1.0.3)
@@ -11,20 +16,20 @@
 
 @function remove-modifiers($selector) {
     // convert selector to a string
-    $selector: inspect(nth($selector, 1));
+    $selector: meta.inspect(list.nth($selector, 1));
   
     $modifier: '';
   
     // Find out where the first modifier starts
-    $modifier-index: str-index($selector, '"--');
+    $modifier-index: string.index($selector, '"--');
   
     @if $modifier-index {
       // Strip the first part of the selector up until the first modifier
-      $modifier: str-slice($selector, $modifier-index);
+      $modifier: string.slice($selector, $modifier-index);
       // Find out where the modifier ends
-      $modifier-end: str-index($modifier, '"]');
+      $modifier-end: string.index($modifier, '"]');
       // Isolate the modifier
-      $modifier: str-slice($modifier, 0, $modifier-end);
+      $modifier: string.slice($modifier, 0, $modifier-end);
       // Remove the modifier from the selector
       $selector: str-replace($selector, $modifier, '');
       // Remove junk characters
@@ -40,12 +45,12 @@
     $result: ();
     
     @each $item in $list {
-      @if not index($result, $item) {
-        @if length($item) > 1 and $recursive {
-          $result: append($result, remove-duplicates($item, $recursive));
+      @if not list.index($result, $item) {
+        @if list.length($item) > 1 and $recursive {
+          $result: list.append($result, remove-duplicates($item, $recursive));
         }
         @else {
-          $result: append($result, $item);
+          $result: list.append($result, $item);
         }
       }
     }
@@ -54,11 +59,11 @@
   }
   
   @function str-replace($string, $search, $replace) { 
-    $index: str-index($string, $search);
+    $index: string.index($string, $search);
   
     @if $index {
-      @return str-slice($string, 1, $index - 1) + $replace + str-replace(
-        str-slice($string, $index + str-length($search)), $search, $replace
+      @return string.slice($string, 1, $index - 1) + $replace + str-replace(
+        string.slice($string, $index + string.length($search)), $search, $replace
       );
     }
   
@@ -80,7 +85,7 @@
   
     // Spoof our modules into a list
     $selectors: str-replace($selectors, ' ', ', ');
-    $selectors: selector-parse($selectors);
+    $selectors: selector.parse($selectors);
   
     @return $selectors;
   }
@@ -88,11 +93,11 @@
   @function list-remove($list, $value, $recursive: false) { 
       $result: ();
   
-      @for $i from 1 through length($list) {
-          @if type-of(nth($list, $i)) == list and $recursive {
-              $result: append($result, list-remove(nth($list, $i), $value, $recursive), comma);
-          } @else if nth($list, $i) != $value {
-              $result: append($result, nth($list, $i), comma);
+      @for $i from 1 through list.length($list) {
+          @if meta.type-of(list.nth($list, $i)) == list and $recursive {
+              $result: list.append($result, list-remove(list.nth($list, $i), $value, $recursive), comma);
+          } @else if list.nth($list, $i) != $value {
+              $result: list.append($result, list.nth($list, $i), comma);
           }
       }
   
@@ -100,13 +105,13 @@
    }
    
   @function this($options...) {
-    $value: map-get($config, $options...);
+    $value: map.get($config, $options...);
     $debug: true;
   
     $this: &;
   
-    @if length($this) > 0 {
-      @if str-index(inspect(nth($this, 1)), '%') == 1 {
+    @if list.length($this) > 0 {
+      @if string.index(meta.inspect(list.nth($this, 1)), '%') == 1 {
         $debug: false;
       }
     }
@@ -120,7 +125,7 @@
   
   @function config($map-old, $map-new) {
       // Merge default and custom options
-      $map-merged: map-merge($map-old, $map-new);
+      $map-merged: map.merge($map-old, $map-new);
     
       // Store config in global variable
       $config: $map-merged !global;
@@ -139,8 +144,8 @@
     $selectors: ();
   
     @each $item in $module {
-      $selectors: join($selectors, '.#{$module}', comma);
-      $selectors: join($selectors, '[class*="#{$module}--"]', comma);
+      $selectors: list.join($selectors, '.#{$module}', comma);
+      $selectors: list.join($selectors, '[class*="#{$module}--"]', comma);
     }
       
     #{$selectors} {
@@ -152,13 +157,13 @@
       $selectors: '[class*="#{$module}#{$glue}"]';
       $this: &;
       $tree: module-tree($this);
-      $namespace: nth($tree, length($tree));
+      $namespace: list.nth($tree, list.length($tree));
   
       @if $components {
         $selectors: ();
   
         @each $component in $components {
-          $selectors: join(
+          $selectors: list.join(
             $selectors, 
             '.#{$namespace}#{$glue}#{$component}, [class*="#{$namespace}#{$glue}#{$component}-"]', 
             comma
@@ -170,29 +175,29 @@
   
       @each $selector in & {
         // spoof the selector into a list
-        $selector: str-replace(inspect($selector), ' ', ', ');
-        $selector: selector-parse($selector);
+        $selector: str-replace(meta.inspect($selector), ' ', ', ');
+        $selector: selector.parse($selector);
   
         // if the last item isn't a modifier, remove it
-        @if not str-index(inspect(nth($selector, length($selector))), '[class*="--') {
-          $selector: list-remove($selector, nth($selector, length($selector)));
+        @if not string.index(meta.inspect(list.nth($selector, list.length($selector))), '[class*="--') {
+          $selector: list-remove($selector, list.nth($selector, list.length($selector)));
         }
   
         // convert the selector back into a string
-        @if length($selector) == 1 {
-          $selector: nth($selector, 1);
+        @if list.length($selector) == 1 {
+          $selector: list.nth($selector, 1);
         }
-        $selector: str-replace(inspect($selector), ', ', ' ');
+        $selector: str-replace(meta.inspect($selector), ', ', ' ');
   
         // Re-build the parent selector
-        $parents: append($parents, $selector, comma);
+        $parents: list.append($parents, $selector, comma);
       }
   
       // remove duplicate selectors
       $parents: remove-duplicates($parents);
   
-      @if length($parents) == 1 {
-        $parents: nth($parents, 1);
+      @if list.length($parents) == 1 {
+        $parents: list.nth($parents, 1);
       }
   
       @if ($parents == '()') {
@@ -212,12 +217,12 @@
   @mixin modifier($modifier) {
     $selectors: &;
   
-    @if str-index(inspect(&), '.#{$module}') {
+    @if string.index(meta.inspect(&), '.#{$module}') {
       $selectors: ();
   
-      @for $i from 1 through length(&) {
+      @for $i from 1 through list.length(&) {
         @if $i % 2 == 0 {
-          $selectors: append($selectors, nth(&, $i), comma);
+          $selectors: list.append($selectors, list.nth(&, $i), comma);
         }
       }
     }
@@ -226,7 +231,7 @@
       $modifier-selectors: ();
       
       @each $item in $modifier {
-        $modifier-selectors: join(
+        $modifier-selectors: list.join(
           $modifier-selectors, '&[class*="--#{$modifier}"]', comma
         );
       }
diff --git a/spec/libsass-closed-issues/issue_2633.hrx b/spec/libsass-closed-issues/issue_2633.hrx
index 3e0577e0ab..dad70ea88d 100644
--- a/spec/libsass-closed-issues/issue_2633.hrx
+++ b/spec/libsass-closed-issues/issue_2633.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:selector";
 $sel1: '.something__child + .something__child--mod1';
 $sel2: '.something__child ~ .something__child--mod2';
-$result1: selector-unify($sel1, $sel2);
+$result1: selector.unify($sel1, $sel2);
 
 #{$result1} {
   /* nothing */
@@ -10,7 +11,7 @@ $result1: selector-unify($sel1, $sel2);
 .a {
   color: blue;
   & > * {
-    @at-root #{selector-unify(&, '.b')} {
+    @at-root #{selector.unify(&, '.b')} {
       color: red;
     }
   }
@@ -19,7 +20,7 @@ $result1: selector-unify($sel1, $sel2);
 .a, .b {
   color: blue;
   & > * {
-    @at-root #{selector-unify(&, '.c, .d')} {
+    @at-root #{selector.unify(&, '.c, .d')} {
       color: red;
     }
   }
diff --git a/spec/libsass-closed-issues/issue_2779.hrx b/spec/libsass-closed-issues/issue_2779.hrx
index 3eb71d045c..6e3e175c23 100644
--- a/spec/libsass-closed-issues/issue_2779.hrx
+++ b/spec/libsass-closed-issues/issue_2779.hrx
@@ -1,5 +1,6 @@
 <===> input.scss
-@debug(selector-extend(".a .b", "&b", ndll));
+@use "sass:selector";
+@debug(selector.extend(".a .b", "&b", ndll));
 
 <===> error
 Error: $extendee: Parent selectors aren't allowed here.
@@ -9,7 +10,7 @@ Error: $extendee: Parent selectors aren't allowed here.
   '
   - 1:1  root stylesheet
   ,
-1 | @debug(selector-extend(".a .b", "&b", ndll));
+2 | @debug(selector.extend(".a .b", "&b", ndll));
   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   '
-  input.scss 1:8  root stylesheet
+  input.scss 2:8  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_2808.hrx b/spec/libsass-closed-issues/issue_2808.hrx
index 9b7917dd4a..df38460c6d 100644
--- a/spec/libsass-closed-issues/issue_2808.hrx
+++ b/spec/libsass-closed-issues/issue_2808.hrx
@@ -1,6 +1,7 @@
 <===> input.scss
+@use "sass:string";
 test {
-  content: str-slice(abcdef, -10, 2)
+  content: string.slice(abcdef, -10, 2)
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_2863.hrx b/spec/libsass-closed-issues/issue_2863.hrx
index dfdb3d98e1..cd810c438d 100644
--- a/spec/libsass-closed-issues/issue_2863.hrx
+++ b/spec/libsass-closed-issues/issue_2863.hrx
@@ -1,14 +1,15 @@
 <===> input.scss
+@use "sass:string";
 $squoted: "'dquoted'";
 $dquoted: "\"squoted\"";
 
 test {
-    str-slice-single: str-slice( $squoted, 1, 2 );
-    str-slice-double: str-slice( $dquoted, 1, 2 );
-    str-index-single: str-index( $squoted, "q" );
-    str-index-double: str-index( $dquoted, "q" );
-    str-insert-single: str-insert( $squoted, "p", 2 );
-    str-insert-double: str-insert( $dquoted, "p", 2 );
+    str-slice-single: string.slice( $squoted, 1, 2 );
+    str-slice-double: string.slice( $dquoted, 1, 2 );
+    str-index-single: string.index( $squoted, "q" );
+    str-index-double: string.index( $dquoted, "q" );
+    str-insert-single: string.insert( $squoted, "p", 2 );
+    str-insert-double: string.insert( $dquoted, "p", 2 );
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_2980.hrx b/spec/libsass-closed-issues/issue_2980.hrx
index b02d5ef770..e17b91ceac 100644
--- a/spec/libsass-closed-issues/issue_2980.hrx
+++ b/spec/libsass-closed-issues/issue_2980.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:map";
 $config: (
         phone: (
                 break-point-width:0px,
@@ -19,8 +20,8 @@ $config: (
 );
 
 @each $key, $map in $config {
-  $break-point-width: map_get($map, break-point-width);
-  $break-point-name: map_get($map, break-point-name);
+  $break-point-width: map.get($map, break-point-width);
+  $break-point-name: map.get($map, break-point-name);
   $infix: if($break-point-width == 0px, null, -$break-point-name);
       .foo#{$infix} {
         content: '#{$break-point-name}';
diff --git a/spec/libsass-closed-issues/issue_338.hrx b/spec/libsass-closed-issues/issue_338.hrx
index cf027995bd..942717548e 100644
--- a/spec/libsass-closed-issues/issue_338.hrx
+++ b/spec/libsass-closed-issues/issue_338.hrx
@@ -1,8 +1,9 @@
 <===> input.scss
+@use "sass:list";
 $list: ("a", "b");
 
 test {
-    content: if( length($list) > 2, nth($list, 3), nth($list, 1) );
+    content: if( list.length($list) > 2, list.nth($list, 3), list.nth($list, 1) );
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_394.hrx b/spec/libsass-closed-issues/issue_394.hrx
index 79f3e2400e..de0034b0ed 100644
--- a/spec/libsass-closed-issues/issue_394.hrx
+++ b/spec/libsass-closed-issues/issue_394.hrx
@@ -1,11 +1,12 @@
 <===> input.scss
+@use "sass:list";
 $list1: alpha beta gamma;
 $list2: one two three;
 
 $map: (alpha: one, beta: two, gamma: three);
 
 .ma-list {
-  @each $item1, $item2 in zip($list1, $list2) {
+  @each $item1, $item2 in list.zip($list1, $list2) {
     #{$item1}: $item2;
   }
 }
diff --git a/spec/libsass-closed-issues/issue_435.hrx b/spec/libsass-closed-issues/issue_435.hrx
index 0fc6783057..ee480a095f 100644
--- a/spec/libsass-closed-issues/issue_435.hrx
+++ b/spec/libsass-closed-issues/issue_435.hrx
@@ -1,11 +1,12 @@
 <===> input.scss
+@use "sass:string";
 $skin-name: "CMS_Black";
 
-$QUOTE: unquote('"');
-$EMPTY_STRING: unquote( "" );
-$SLASH: unquote("/");
+$QUOTE: string.unquote('"');
+$EMPTY_STRING: string.unquote( "" );
+$SLASH: string.unquote("/");
 
-$SKINS_PATH: unquote("/CMS/Skins");
+$SKINS_PATH: string.unquote("/CMS/Skins");
 $URL_SEPARATOR: $SLASH;
 $URL_PREFIX: $EMPTY_STRING;
 $URL_SUFFIX: $EMPTY_STRING;
diff --git a/spec/libsass-closed-issues/issue_439.hrx b/spec/libsass-closed-issues/issue_439.hrx
index e3615d4eab..e465a6d335 100644
--- a/spec/libsass-closed-issues/issue_439.hrx
+++ b/spec/libsass-closed-issues/issue_439.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:string";
 @mixin odd( $selector, $n) {
   $selector: "& + " + $selector + " + " + $selector;
-  $placeholder: unique_id();
+  $placeholder: string.unique_id();
   %#{$placeholder} { @content; }
   #{$selector}:first-child {
     #{$selector} { @extend %#{$placeholder}; }
@@ -21,9 +22,9 @@ This will be an error in Dart Sass 2.0.0.
 More info: https://sass-lang.com/d/bogus-combinators
 
   ,
-6 |     #{$selector} { @extend %#{$placeholder}; }
+7 |     #{$selector} { @extend %#{$placeholder}; }
   |     ^^^^^^^^^^^^ invalid selector
   |                    ======================== @extend rule
   '
-    input.scss 6:5   odd()
-    input.scss 11:3  root stylesheet
+    input.scss 7:5   odd()
+    input.scss 12:3  root stylesheet
diff --git a/spec/libsass-closed-issues/issue_506.hrx b/spec/libsass-closed-issues/issue_506.hrx
index b57a9fb59c..5ee3f93760 100644
--- a/spec/libsass-closed-issues/issue_506.hrx
+++ b/spec/libsass-closed-issues/issue_506.hrx
@@ -1,12 +1,13 @@
 <===> input.scss
+@use "sass:list";
 $list: foo bar baz;
 $list--comma: foo, bar, baz;
 $single: foo;
 
 div {
-  _list-space: list-separator($list);
-  _list-comma: list-separator($list--comma);
-  _single-item: list-separator($single);
+  _list-space: list.separator($list);
+  _list-comma: list.separator($list--comma);
+  _single-item: list.separator($single);
 }
 <===> output.css
 div {
diff --git a/spec/libsass-closed-issues/issue_509.hrx b/spec/libsass-closed-issues/issue_509.hrx
index 509f9db920..02db78d956 100644
--- a/spec/libsass-closed-issues/issue_509.hrx
+++ b/spec/libsass-closed-issues/issue_509.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:map";
 $foo: (
     (key1): (value-1-0),
     key2: value-2-0,
@@ -11,13 +12,13 @@ $foo: (
 );
 
 div {
-    foo: map-get((foo: 1, bar: 2), foo);
-    foo: map-get((foo: 1, bar: 2), bar);
-    foo: map-get((foo: 1, bar: 2), baz);
-    foo: map-get((), foo);
-    foo: map-get($foo, (key-5-0: value-5-1));
-    foo: map-get($foo, (key2));
-    foo: map-get($foo, (key-3-0 key-3-1 key-3-2));
+    foo: map.get((foo: 1, bar: 2), foo);
+    foo: map.get((foo: 1, bar: 2), bar);
+    foo: map.get((foo: 1, bar: 2), baz);
+    foo: map.get((), foo);
+    foo: map.get($foo, (key-5-0: value-5-1));
+    foo: map.get($foo, (key2));
+    foo: map.get($foo, (key-3-0 key-3-1 key-3-2));
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_510.hrx b/spec/libsass-closed-issues/issue_510.hrx
index 51c870db9f..1cc411cb93 100644
--- a/spec/libsass-closed-issues/issue_510.hrx
+++ b/spec/libsass-closed-issues/issue_510.hrx
@@ -1,5 +1,6 @@
 <===> input.scss
-$before: map-remove((foo: 1, bar: 2, baz: 3, burp: 4), bar, baz);
+@use "sass:map";
+$before: map.remove((foo: 1, bar: 2, baz: 3, burp: 4), bar, baz);
 $after: (foo: 1, burp: 4);
 
 div {
diff --git a/spec/libsass-closed-issues/issue_512.hrx b/spec/libsass-closed-issues/issue_512.hrx
index 2e76e63de4..92eada2ab4 100644
--- a/spec/libsass-closed-issues/issue_512.hrx
+++ b/spec/libsass-closed-issues/issue_512.hrx
@@ -1,9 +1,11 @@
 <===> input.scss
+@use "sass:list";
+@use "sass:meta";
 $list: a b c;
 .css {
-  debug: index($list, a);
+  debug: list.index($list, a);
 
-  @if type-of(index($list, 2)) == "null" {
+  @if meta.type-of(list.index($list, 2)) == "null" {
     debug: foo;
   }
 }
diff --git a/spec/libsass-closed-issues/issue_534.hrx b/spec/libsass-closed-issues/issue_534.hrx
index 6513ab768f..6b7b707cc2 100644
--- a/spec/libsass-closed-issues/issue_534.hrx
+++ b/spec/libsass-closed-issues/issue_534.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:map";
 $foo: (
     1: foo1 bar1,
     10: foo2 bar2,
@@ -6,9 +7,9 @@ $foo: (
 );
 
 div {
-    foo: map-get($foo, 1);
-    foo: map-get($foo, 10);
-    foo: map-get($foo, 100);
+    foo: map.get($foo, 1);
+    foo: map.get($foo, 10);
+    foo: map.get($foo, 100);
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_54.hrx b/spec/libsass-closed-issues/issue_54.hrx
index c1dc17f99d..724345ced7 100644
--- a/spec/libsass-closed-issues/issue_54.hrx
+++ b/spec/libsass-closed-issues/issue_54.hrx
@@ -4,8 +4,9 @@
 - dart-sass
 
 <===> input.scss
+@use "sass:color";
 @mixin opacity($percent) {
-  foo { test: opacity($percent); }
+  foo { test: color.opacity($percent); }
 }
 
 @-webkit-keyframes uiDelayedFadeIn {
diff --git a/spec/libsass-closed-issues/issue_555.hrx b/spec/libsass-closed-issues/issue_555.hrx
index 419330596b..8e2e3f82b5 100644
--- a/spec/libsass-closed-issues/issue_555.hrx
+++ b/spec/libsass-closed-issues/issue_555.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:map";
 
 @function hello($name) {
     @return $name;
@@ -11,10 +12,10 @@ $foo: (
 );
 
 a {
-  foo: map-get($foo, "bar()");
-  foo: map-get($foo, "bar(\"foo\")");
-  foo: map-get($foo, 'bar("foo")');
-  foo: map-get($foo, "bob");
+  foo: map.get($foo, "bar()");
+  foo: map.get($foo, "bar(\"foo\")");
+  foo: map.get($foo, 'bar("foo")');
+  foo: map.get($foo, "bob");
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_557.hrx b/spec/libsass-closed-issues/issue_557.hrx
index 5ef09a6af3..7aa66980a7 100644
--- a/spec/libsass-closed-issues/issue_557.hrx
+++ b/spec/libsass-closed-issues/issue_557.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:map";
 
 a {
-  foo: map-get((foo: 1, bar: 2), "bar");
+  foo: map.get((foo: 1, bar: 2), "bar");
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_574.hrx b/spec/libsass-closed-issues/issue_574.hrx
index 69723bc62e..71ea7409bc 100644
--- a/spec/libsass-closed-issues/issue_574.hrx
+++ b/spec/libsass-closed-issues/issue_574.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:map";
 $flow: left;
 
 $map: (
@@ -7,7 +8,7 @@ $map: (
 );
 
 .test {
-  margin-left: map-get($map, margin-left);
+  margin-left: map.get($map, margin-left);
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_577.hrx b/spec/libsass-closed-issues/issue_577.hrx
index d774598667..7bda78fbf3 100644
--- a/spec/libsass-closed-issues/issue_577.hrx
+++ b/spec/libsass-closed-issues/issue_577.hrx
@@ -1,9 +1,10 @@
 <===> input.scss
+@use "sass:list";
 @function map-each($map) {
   $values: ();
 
   @each $key, $value in $map {
-    $values: append($values, $value);
+    $values: list.append($values, $value);
   }
 
   @return $values;
diff --git a/spec/libsass-closed-issues/issue_578.hrx b/spec/libsass-closed-issues/issue_578.hrx
index 3f5c192f6d..a594e22b1e 100644
--- a/spec/libsass-closed-issues/issue_578.hrx
+++ b/spec/libsass-closed-issues/issue_578.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:list";
 $list: one foo three bar six seven;
-$pos: set-nth($list, 2, two);
-$neg: set-nth($pos, -3, four five);
+$pos: list.set-nth($list, 2, two);
+$neg: list.set-nth($pos, -3, four five);
 
 .test {
   -positive: $pos;
diff --git a/spec/libsass-closed-issues/issue_643.hrx b/spec/libsass-closed-issues/issue_643.hrx
index 5e28dfc109..03cd175fb1 100644
--- a/spec/libsass-closed-issues/issue_643.hrx
+++ b/spec/libsass-closed-issues/issue_643.hrx
@@ -1,8 +1,9 @@
 <===> input.scss
+@use "sass:list";
 $map: (foo: bar, bar: baz);
 
 foo {
-  a: nth($map, 2);
+  a: list.nth($map, 2);
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_652.hrx b/spec/libsass-closed-issues/issue_652.hrx
index 3bd8c4768e..db2bd1d7f7 100644
--- a/spec/libsass-closed-issues/issue_652.hrx
+++ b/spec/libsass-closed-issues/issue_652.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:map";
 $map: (
     purple: foo,
     rgba(1,2,3,1): bar,
@@ -6,9 +7,9 @@ $map: (
 );
 
 a {
-  name: map-get($map, purple) == foo;
-  func: map-get($map, rgba(1,2,3,1)) == bar;
-  hex: map-get($map, #ffffff) == baz;
+  name: map.get($map, purple) == foo;
+  func: map.get($map, rgba(1,2,3,1)) == bar;
+  hex: map.get($map, #ffffff) == baz;
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_672.hrx b/spec/libsass-closed-issues/issue_672.hrx
index 17bee8718d..f337528f61 100644
--- a/spec/libsass-closed-issues/issue_672.hrx
+++ b/spec/libsass-closed-issues/issue_672.hrx
@@ -1,6 +1,7 @@
 <===> input.scss
+@use "sass:meta";
 @mixin test($arglist...) {
-    $map: keywords($arglist);
+    $map: meta.keywords($arglist);
     answer: if($map, "Yep", "Nope");
 }
 
diff --git a/spec/libsass-closed-issues/issue_699.hrx b/spec/libsass-closed-issues/issue_699.hrx
index 0230a7b5c3..f4d2555e76 100644
--- a/spec/libsass-closed-issues/issue_699.hrx
+++ b/spec/libsass-closed-issues/issue_699.hrx
@@ -1,6 +1,7 @@
 <===> input.scss
+@use "sass:color";
 .selector {
-  color: invert(rebeccapurple);
+  color: color.invert(rebeccapurple);
 }
 <===> output.css
 .selector {
diff --git a/spec/libsass-closed-issues/issue_700.hrx b/spec/libsass-closed-issues/issue_700.hrx
index 181b37ccc5..bf87188309 100644
--- a/spec/libsass-closed-issues/issue_700.hrx
+++ b/spec/libsass-closed-issues/issue_700.hrx
@@ -1,6 +1,7 @@
 <===> input.scss
+@use "sass:color";
 .selector {
-  color: invert(transparent);
+  color: color.invert(transparent);
 }
 <===> output.css
 .selector {
diff --git a/spec/libsass-closed-issues/issue_702.hrx b/spec/libsass-closed-issues/issue_702.hrx
index 77625a2821..bf4cf7a34a 100644
--- a/spec/libsass-closed-issues/issue_702.hrx
+++ b/spec/libsass-closed-issues/issue_702.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:meta";
 .foo {
-  content: function-exists("feature-exists");
-  content: feature-exists("foo");
+  content: meta.function-exists("feature-exists");
+  content: meta.feature-exists("foo");
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_760.hrx b/spec/libsass-closed-issues/issue_760.hrx
index 430168a010..7dc650ee63 100644
--- a/spec/libsass-closed-issues/issue_760.hrx
+++ b/spec/libsass-closed-issues/issue_760.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:string";
 foo {
-  quoted: str-slice("abcd", 1, 0);
-  unquoted: str-slice(abcd, 1, 0);
+  quoted: string.slice("abcd", 1, 0);
+  unquoted: string.slice(abcd, 1, 0);
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_763.hrx b/spec/libsass-closed-issues/issue_763.hrx
index 0accb9d610..81a4e4fe8d 100644
--- a/spec/libsass-closed-issues/issue_763.hrx
+++ b/spec/libsass-closed-issues/issue_763.hrx
@@ -1,13 +1,14 @@
 <===> input.scss
+@use "sass:string";
 foo {
-  a: str-slice("abcd", 1, 1);
-  b: str-slice('abcd', 1, 1);
-  c: str-slice(abcd, 1, 1);
+  a: string.slice("abcd", 1, 1);
+  b: string.slice('abcd', 1, 1);
+  c: string.slice(abcd, 1, 1);
 
-  d: str-insert("abcd", "X", 1);
-  e: str-insert("abcd", 'X', 1);
-  f: str-insert('abcd', "X", 1);
-  g: str-insert('abcd', 'X', 1);
+  d: string.insert("abcd", "X", 1);
+  e: string.insert("abcd", 'X', 1);
+  f: string.insert('abcd', "X", 1);
+  g: string.insert('abcd', 'X', 1);
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_815.hrx b/spec/libsass-closed-issues/issue_815.hrx
index 4059e613c1..b21cda5822 100644
--- a/spec/libsass-closed-issues/issue_815.hrx
+++ b/spec/libsass-closed-issues/issue_815.hrx
@@ -1,7 +1,8 @@
 <===> input.scss
+@use "sass:string";
 foo {
-  foo: str-slice("bar", 1, 2);
-  bar: str-slice("bar", 3);
+  foo: string.slice("bar", 1, 2);
+  bar: string.slice("bar", 3);
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_857.hrx b/spec/libsass-closed-issues/issue_857.hrx
index d289ae5cce..b63fc79ed9 100644
--- a/spec/libsass-closed-issues/issue_857.hrx
+++ b/spec/libsass-closed-issues/issue_857.hrx
@@ -1,8 +1,9 @@
 <===> input.scss
+@use "sass:list";
 $list: "item-1" "item-2" "item-3";
 
 #hello {
-  @if length($list) % 2 == 0 {
+  @if list.length($list) % 2 == 0 {
     color: blue;
   }
 
diff --git a/spec/libsass-closed-issues/issue_86.hrx b/spec/libsass-closed-issues/issue_86.hrx
index 236eb4c69d..88e8572340 100644
--- a/spec/libsass-closed-issues/issue_86.hrx
+++ b/spec/libsass-closed-issues/issue_86.hrx
@@ -1,12 +1,15 @@
 <===> input.scss
+@use "sass:color";
+@use "sass:math";
+@use "sass:meta";
 .color-functions {
     $color: red;
-    hue: hue($color);
-    hue-type: type-of(hue($color));
-    hue-unit: unit(hue($color));
-    hue-comparable: comparable(hue($color), hue($color));
-	test-1: comparable(lightness(red), 1%);
-	test-2: comparable(saturation(red), 1%);
+    hue: color.hue($color);
+    hue-type: meta.type-of(color.hue($color));
+    hue-unit: math.unit(color.hue($color));
+    hue-comparable: math.compatible(color.hue($color), color.hue($color));
+	test-1: math.compatible(color.lightness(red), 1%);
+	test-2: math.compatible(color.saturation(red), 1%);
 }
 <===> output.css
 .color-functions {
diff --git a/spec/libsass-closed-issues/issue_864.hrx b/spec/libsass-closed-issues/issue_864.hrx
index b19547d21b..d6c78efb54 100644
--- a/spec/libsass-closed-issues/issue_864.hrx
+++ b/spec/libsass-closed-issues/issue_864.hrx
@@ -1,5 +1,6 @@
 <===> input.scss
-div { color: desaturate(#999, 50%); }
+@use "sass:color";
+div { color: color.adjust(#999, $saturation: -50%); }
 <===> output.css
 div {
   color: #999999;
diff --git a/spec/libsass-closed-issues/issue_877.hrx b/spec/libsass-closed-issues/issue_877.hrx
index 1f5034e39f..4c3cb8c7fa 100644
--- a/spec/libsass-closed-issues/issue_877.hrx
+++ b/spec/libsass-closed-issues/issue_877.hrx
@@ -1,4 +1,5 @@
 <===> input.scss
+@use "sass:meta";
 @function _test1() {
   @return 'hello';
 }
@@ -28,34 +29,34 @@ $_test2: true;
 $test: true;
 
 .test {
-  function: function-exists('_test1');
-  function: function-exists('-test1');
-  function: function-exists('_test2');
-  function: function-exists('-test2');
-  function: function-exists('test1');
-  function: function-exists('test2');
-  function: function-exists('test');
-  mixin: mixin-exists('_test1');
-  mixin: mixin-exists('-test1');
-  mixin: mixin-exists('_test2');
-  mixin: mixin-exists('-test2');
-  mixin: mixin-exists('test1');
-  mixin: mixin-exists('test2');
-  mixin: mixin-exists('test');
-  variable: variable-exists('_test1');
-  variable: variable-exists('-test1');
-  variable: variable-exists('_test2');
-  variable: variable-exists('-test2');
-  variable: variable-exists('test1');
-  variable: variable-exists('test2');
-  variable: variable-exists('test');
-  global-variable: global-variable-exists('_test1');
-  global-variable: global-variable-exists('-test1');
-  global-variable: global-variable-exists('_test2');
-  global-variable: global-variable-exists('-test2');
-  global-variable: global-variable-exists('test1');
-  global-variable: global-variable-exists('test2');
-  global-variable: global-variable-exists('test');
+  function: meta.function-exists('_test1');
+  function: meta.function-exists('-test1');
+  function: meta.function-exists('_test2');
+  function: meta.function-exists('-test2');
+  function: meta.function-exists('test1');
+  function: meta.function-exists('test2');
+  function: meta.function-exists('test');
+  mixin: meta.mixin-exists('_test1');
+  mixin: meta.mixin-exists('-test1');
+  mixin: meta.mixin-exists('_test2');
+  mixin: meta.mixin-exists('-test2');
+  mixin: meta.mixin-exists('test1');
+  mixin: meta.mixin-exists('test2');
+  mixin: meta.mixin-exists('test');
+  variable: meta.variable-exists('_test1');
+  variable: meta.variable-exists('-test1');
+  variable: meta.variable-exists('_test2');
+  variable: meta.variable-exists('-test2');
+  variable: meta.variable-exists('test1');
+  variable: meta.variable-exists('test2');
+  variable: meta.variable-exists('test');
+  global-variable: meta.global-variable-exists('_test1');
+  global-variable: meta.global-variable-exists('-test1');
+  global-variable: meta.global-variable-exists('_test2');
+  global-variable: meta.global-variable-exists('-test2');
+  global-variable: meta.global-variable-exists('test1');
+  global-variable: meta.global-variable-exists('test2');
+  global-variable: meta.global-variable-exists('test');
 }
 
 <===> output.css
diff --git a/spec/libsass-closed-issues/issue_980.hrx b/spec/libsass-closed-issues/issue_980.hrx
index f85114d8b8..7ee8c6761a 100644
--- a/spec/libsass-closed-issues/issue_980.hrx
+++ b/spec/libsass-closed-issues/issue_980.hrx
@@ -1,8 +1,9 @@
 <===> input.scss
+@use "sass:list";
 @function foo($value, $default: 13, $args...) {
   $res: $value + $default;
-  @if length($args) != 0 {
-    $res: $res + nth($args, 1);
+  @if list.length($args) != 0 {
+    $res: $res + list.nth($args, 1);
   }
   @return $res;
 }
diff --git a/spec/libsass-closed-issues/issue_988.hrx b/spec/libsass-closed-issues/issue_988.hrx
index 3b67605f0e..f5900bba06 100644
--- a/spec/libsass-closed-issues/issue_988.hrx
+++ b/spec/libsass-closed-issues/issue_988.hrx
@@ -1,9 +1,10 @@
 <===> input.scss
+@use "sass:string";
 @function str-replace($string, $search, $replace: '') {
-  $index: str-index($string, $search);
+  $index: string.index($string, $search);
   @if $index {
-    @return str-slice($string, 1, $index - 1) + $replace +
-      str-replace(str-slice($string, $index + str-length($search)), $search, $replace);
+    @return string.slice($string, 1, $index - 1) + $replace +
+      str-replace(string.slice($string, $index + string.length($search)), $search, $replace);
   }
   @return $string;
 }

From 261914c08483c9fb3aa4a0961f95040865169748 Mon Sep 17 00:00:00 2001
From: Jennifer Thakar <jathak@gmail.com>
Date: Fri, 12 Jul 2024 15:00:08 -0700
Subject: [PATCH 06/10] Migrate remaining global functions

---
 spec/libsass-todo-issues/issue_2818.hrx                  | 4 +++-
 .../non_conformant/mixin/content/arguments/receiving.hrx | 8 ++++----
 spec/values/calculation/calc/parens.hrx                  | 3 ++-
 spec/values/calculation/calc/space.hrx                   | 9 ++++++---
 4 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/spec/libsass-todo-issues/issue_2818.hrx b/spec/libsass-todo-issues/issue_2818.hrx
index 893fcdcff4..3df4c64f11 100644
--- a/spec/libsass-todo-issues/issue_2818.hrx
+++ b/spec/libsass-todo-issues/issue_2818.hrx
@@ -1,6 +1,8 @@
 <===> input.scss
+@use "sass:color";
+@use "sass:meta";
 $map: ("lightness": 10%, "saturation": 10%);
-$base: call(get-function('scale-color'), #dedede, $map...);
+$base: meta.call(meta.get-function('scale', $module: 'color'), #dedede, $map...);
 test { color: $base; }
 
 <===> output.css
diff --git a/spec/non_conformant/mixin/content/arguments/receiving.hrx b/spec/non_conformant/mixin/content/arguments/receiving.hrx
index 48897de76c..b617026b18 100644
--- a/spec/non_conformant/mixin/content/arguments/receiving.hrx
+++ b/spec/non_conformant/mixin/content/arguments/receiving.hrx
@@ -46,7 +46,7 @@ with-splat {
 
     @include mixin using ($args...) {
       positional: meta.inspect($args);
-      keywords: meta.inspect(keywords($args));
+      keywords: meta.inspect(meta.keywords($args));
     }
   }
 
@@ -57,7 +57,7 @@ with-splat {
 
     @include mixin using ($args...) {
       positional: meta.inspect($args);
-      keywords: meta.inspect(keywords($args));
+      keywords: meta.inspect(meta.keywords($args));
     }
   }
 
@@ -68,7 +68,7 @@ with-splat {
 
     @include mixin using ($args...) {
       positional: meta.inspect($args);
-      keywords: meta.inspect(keywords($args));
+      keywords: meta.inspect(meta.keywords($args));
     }
   }
 
@@ -79,7 +79,7 @@ with-splat {
 
     @include mixin using ($args...) {
       positional: meta.inspect($args);
-      keywords: meta.inspect(keywords($args));
+      keywords: meta.inspect(meta.keywords($args));
     }
   }
 }
diff --git a/spec/values/calculation/calc/parens.hrx b/spec/values/calculation/calc/parens.hrx
index cebd45919d..92db3f28a0 100644
--- a/spec/values/calculation/calc/parens.hrx
+++ b/spec/values/calculation/calc/parens.hrx
@@ -50,7 +50,8 @@ a {
 <===>
 ================================================================================
 <===> variable/input.scss
-$c: unquote("1 + 2");
+@use "sass:string";
+$c: string.unquote("1 + 2");
 a {b: calc(($c))}
 
 <===> variable/output.css
diff --git a/spec/values/calculation/calc/space.hrx b/spec/values/calculation/calc/space.hrx
index 714a775582..78c9d6a15b 100644
--- a/spec/values/calculation/calc/space.hrx
+++ b/spec/values/calculation/calc/space.hrx
@@ -29,7 +29,8 @@ a {
 <===>
 ================================================================================
 <===> variable/before/input.scss
-$c: unquote("1 +");
+@use "sass:string";
+$c: string.unquote("1 +");
 a {b: calc($c 2)}
 
 <===> variable/before/output.css
@@ -40,7 +41,8 @@ a {
 <===>
 ================================================================================
 <===> variable/after/input.scss
-$c: unquote("+ 2");
+@use "sass:string";
+$c: string.unquote("+ 2");
 a {b: calc(1 $c)}
 
 <===> variable/after/output.css
@@ -51,7 +53,8 @@ a {
 <===>
 ================================================================================
 <===> variable/between/input.scss
-$c: unquote("+ 2 +");
+@use "sass:string";
+$c: string.unquote("+ 2 +");
 a {b: calc(1 $c 3)}
 
 <===> variable/between/output.css

From 42de29cf608895f20d19711ae03881afeef20589 Mon Sep 17 00:00:00 2001
From: Jennifer Thakar <jathak@gmail.com>
Date: Fri, 12 Jul 2024 16:01:17 -0700
Subject: [PATCH 07/10] Migrate plain CSS tests to module system

---
 spec/css/plain/boolean_operations.hrx         |   2 +-
 spec/css/plain/custom_properties.hrx          |   8 +-
 spec/css/plain/error/expression/function.hrx  |  18 +--
 .../plain/error/expression/interpolation.hrx  |  24 ++--
 spec/css/plain/error/expression/list.hrx      |  12 +-
 spec/css/plain/error/expression/map.hrx       |   6 +-
 spec/css/plain/error/expression/operation.hrx |  60 ++++-----
 .../error/expression/parent_selector.hrx      |   6 +-
 .../plain/error/expression/parentheses.hrx    |   6 +-
 spec/css/plain/error/expression/variable.hrx  |  12 +-
 spec/css/plain/error/media.hrx                | 114 +++++++++---------
 spec/css/plain/error/statement/at_rule.hrx    | 106 ++++++++--------
 .../plain/error/statement/silent_comment.hrx  |   6 +-
 spec/css/plain/error/statement/style_rule.hrx |  36 +++---
 spec/css/plain/extend.hrx                     |   2 +-
 spec/css/plain/functions.hrx                  |  30 ++---
 spec/css/plain/hacks.hrx                      |   2 +-
 spec/css/plain/media.hrx                      |  26 ++--
 spec/css/plain/null.hrx                       |   2 +-
 spec/css/plain/single_equals.hrx              |   2 +-
 spec/css/plain/slash.hrx                      |   6 +-
 21 files changed, 243 insertions(+), 243 deletions(-)

diff --git a/spec/css/plain/boolean_operations.hrx b/spec/css/plain/boolean_operations.hrx
index 11a64b38ad..896d9d468a 100644
--- a/spec/css/plain/boolean_operations.hrx
+++ b/spec/css/plain/boolean_operations.hrx
@@ -1,5 +1,5 @@
 <===> input.scss
-@import "plain";
+@use "plain";
 
 <===> plain.css
 a {
diff --git a/spec/css/plain/custom_properties.hrx b/spec/css/plain/custom_properties.hrx
index 2173495b39..bf5a7bd569 100644
--- a/spec/css/plain/custom_properties.hrx
+++ b/spec/css/plain/custom_properties.hrx
@@ -4,7 +4,7 @@ Regression tests for sass/dart-sass#1104.
 <===>
 ================================================================================
 <===> identifier/input.scss
-@import "plain";
+@use "plain";
 
 <===> identifier/plain.css
 a {--b: c}
@@ -17,7 +17,7 @@ a {
 <===>
 ================================================================================
 <===> color/input.scss
-@import "plain";
+@use "plain";
 
 <===> color/plain.css
 a {--b: #ff0000}
@@ -30,7 +30,7 @@ a {
 <===>
 ================================================================================
 <===> nested/input.scss
-@import "plain";
+@use "plain";
 
 <===> nested/plain.css
 a {--b: {c: d}}
@@ -43,7 +43,7 @@ a {
 <===>
 ================================================================================
 <===> arbitrary_tokens/input.scss
-@import "plain";
+@use "plain";
 
 <===> arbitrary_tokens/plain.css
 a {--b: `~@#$%^&*()_-+={[]}|?/><}
diff --git a/spec/css/plain/error/expression/function.hrx b/spec/css/plain/error/expression/function.hrx
index 6293888f5f..a2569f5f12 100644
--- a/spec/css/plain/error/expression/function.hrx
+++ b/spec/css/plain/error/expression/function.hrx
@@ -1,5 +1,5 @@
 <===> built_in/input.scss
-@import 'plain'
+@use 'plain'
 <===> built_in/plain.css
 a {
   x: index(1 2 3, 1);
@@ -11,13 +11,13 @@ Error: This function isn't allowed in plain CSS.
 2 |   x: index(1 2 3, 1);
   |      ^^^^^^^^^^^^^^^
   '
-  plain.css 2:6   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:6   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> variable_arguments/input.scss
-@import 'plain'
+@use 'plain'
 <===> variable_arguments/plain.css
 a {
   x: hsl(0, 100%, 50%...);
@@ -29,13 +29,13 @@ Error: expected ")".
 2 |   x: hsl(0, 100%, 50%...);
   |                      ^
   '
-  plain.css 2:22  @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:22  @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> keyword_arguments/input.scss
-@import 'plain'
+@use 'plain'
 <===> keyword_arguments/plain.css
 a {
   x: hsl(0, 100%, $lightness: 50%);
@@ -47,5 +47,5 @@ Error: Sass variables aren't allowed in plain CSS.
 2 |   x: hsl(0, 100%, $lightness: 50%);
   |                   ^^^^^^^^^^
   '
-  plain.css 2:19  @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:19  @use
+  input.scss 1:1  root stylesheet
diff --git a/spec/css/plain/error/expression/interpolation.hrx b/spec/css/plain/error/expression/interpolation.hrx
index ac4f6fa8e8..469a2a818f 100644
--- a/spec/css/plain/error/expression/interpolation.hrx
+++ b/spec/css/plain/error/expression/interpolation.hrx
@@ -1,5 +1,5 @@
 <===> calc/input.scss
-@import 'plain'
+@use 'plain'
 <===> calc/plain.css
 a {
   w: calc(#{1px} + 10%);
@@ -11,13 +11,13 @@ Error: Interpolation isn't allowed in plain CSS.
 2 |   w: calc(#{1px} + 10%);
   |           ^^^^^^
   '
-  plain.css 2:11  @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:11  @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> identifier/input.scss
-@import 'plain'
+@use 'plain'
 <===> identifier/plain.css
 a {
   w: x#{y}z;
@@ -29,13 +29,13 @@ Error: Interpolation isn't allowed in plain CSS.
 2 |   w: x#{y}z;
   |       ^^^^
   '
-  plain.css 2:7   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:7   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> quoted_string/input.scss
-@import 'plain'
+@use 'plain'
 <===> quoted_string/plain.css
 a {
   w: "x#{y}z";
@@ -47,13 +47,13 @@ Error: Interpolation isn't allowed in plain CSS.
 2 |   w: "x#{y}z";
   |        ^^^^
   '
-  plain.css 2:8   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:8   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> standalone/input.scss
-@import 'plain'
+@use 'plain'
 <===> standalone/plain.css
 a {
   w: #{x};
@@ -65,5 +65,5 @@ Error: Interpolation isn't allowed in plain CSS.
 2 |   w: #{x};
   |      ^^^^
   '
-  plain.css 2:6   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:6   @use
+  input.scss 1:1  root stylesheet
diff --git a/spec/css/plain/error/expression/list.hrx b/spec/css/plain/error/expression/list.hrx
index 283ce7e5c2..6a22365f88 100644
--- a/spec/css/plain/error/expression/list.hrx
+++ b/spec/css/plain/error/expression/list.hrx
@@ -1,5 +1,5 @@
 <===> empty/input.scss
-@import 'plain'
+@use 'plain'
 <===> empty/plain.css
 a {
   x: ();
@@ -11,13 +11,13 @@ Error: Expected expression.
 2 |   x: ();
   |       ^
   '
-  plain.css 2:7   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:7   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> empty_comma/input.scss
-@import 'plain'
+@use 'plain'
 <===> empty_comma/plain.css
 a {
   x: (,);
@@ -29,5 +29,5 @@ Error: Expected expression.
 2 |   x: (,);
   |       ^
   '
-  plain.css 2:7   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:7   @use
+  input.scss 1:1  root stylesheet
diff --git a/spec/css/plain/error/expression/map.hrx b/spec/css/plain/error/expression/map.hrx
index 3939ea085e..157e438e36 100644
--- a/spec/css/plain/error/expression/map.hrx
+++ b/spec/css/plain/error/expression/map.hrx
@@ -1,5 +1,5 @@
 <===> input.scss
-@import 'plain'
+@use 'plain'
 <===> plain.css
 a {
   x: (y: z);
@@ -11,5 +11,5 @@ Error: expected ")".
 2 |   x: (y: z);
   |        ^
   '
-  plain.css 2:8   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:8   @use
+  input.scss 1:1  root stylesheet
diff --git a/spec/css/plain/error/expression/operation.hrx b/spec/css/plain/error/expression/operation.hrx
index 06c27fbb58..2e99545f9f 100644
--- a/spec/css/plain/error/expression/operation.hrx
+++ b/spec/css/plain/error/expression/operation.hrx
@@ -1,5 +1,5 @@
 <===> addition/input.scss
-@import 'plain'
+@use 'plain'
 <===> addition/plain.css
 a {
   x: y + z;
@@ -11,13 +11,13 @@ Error: Operators aren't allowed in plain CSS.
 2 |   x: y + z;
   |        ^
   '
-  plain.css 2:8   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:8   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> subtraction/input.scss
-@import 'plain'
+@use 'plain'
 <===> subtraction/plain.css
 a {
   x: y - z;
@@ -29,13 +29,13 @@ Error: Operators aren't allowed in plain CSS.
 2 |   x: y - z;
   |        ^
   '
-  plain.css 2:8   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:8   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> multiplication/input.scss
-@import 'plain'
+@use 'plain'
 <===> multiplication/plain.css
 a {
   x: y * z;
@@ -47,13 +47,13 @@ Error: Operators aren't allowed in plain CSS.
 2 |   x: y * z;
   |        ^
   '
-  plain.css 2:8   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:8   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> modulo/input.scss
-@import 'plain'
+@use 'plain'
 <===> modulo/plain.css
 a {
   x: y % z;
@@ -65,13 +65,13 @@ Error: Operators aren't allowed in plain CSS.
 2 |   x: y % z;
   |        ^
   '
-  plain.css 2:8   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:8   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> less_than/input.scss
-@import 'plain'
+@use 'plain'
 <===> less_than/plain.css
 a {
   x: y < z;
@@ -83,13 +83,13 @@ Error: Operators aren't allowed in plain CSS.
 2 |   x: y < z;
   |        ^
   '
-  plain.css 2:8   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:8   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> less_than_or_equal/input.scss
-@import 'plain'
+@use 'plain'
 <===> less_than_or_equal/plain.css
 a {
   x: y <= z;
@@ -101,13 +101,13 @@ Error: Operators aren't allowed in plain CSS.
 2 |   x: y <= z;
   |        ^^
   '
-  plain.css 2:8   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:8   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> greater_than/input.scss
-@import 'plain'
+@use 'plain'
 <===> greater_than/plain.css
 a {
   x: y > z;
@@ -119,13 +119,13 @@ Error: Operators aren't allowed in plain CSS.
 2 |   x: y > z;
   |        ^
   '
-  plain.css 2:8   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:8   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> greater_than_or_equal/input.scss
-@import 'plain'
+@use 'plain'
 <===> greater_than_or_equal/plain.css
 a {
   x: y >= z;
@@ -137,13 +137,13 @@ Error: Operators aren't allowed in plain CSS.
 2 |   x: y >= z;
   |        ^^
   '
-  plain.css 2:8   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:8   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> equals/input.scss
-@import 'plain'
+@use 'plain'
 <===> equals/plain.css
 a {
   x: y == z;
@@ -155,13 +155,13 @@ Error: Operators aren't allowed in plain CSS.
 2 |   x: y == z;
   |        ^^
   '
-  plain.css 2:8   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:8   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> not_equals/input.scss
-@import 'plain'
+@use 'plain'
 <===> not_equals/plain.css
 a {
   x: y != z;
@@ -173,5 +173,5 @@ Error: Operators aren't allowed in plain CSS.
 2 |   x: y != z;
   |        ^^
   '
-  plain.css 2:8   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:8   @use
+  input.scss 1:1  root stylesheet
diff --git a/spec/css/plain/error/expression/parent_selector.hrx b/spec/css/plain/error/expression/parent_selector.hrx
index 338be921e0..fa4be9b847 100644
--- a/spec/css/plain/error/expression/parent_selector.hrx
+++ b/spec/css/plain/error/expression/parent_selector.hrx
@@ -1,5 +1,5 @@
 <===> input.scss
-@import 'plain'
+@use 'plain'
 <===> plain.css
 a {
   x: &;
@@ -11,5 +11,5 @@ Error: The parent selector isn't allowed in plain CSS.
 2 |   x: &;
   |      ^
   '
-  plain.css 2:6   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:6   @use
+  input.scss 1:1  root stylesheet
diff --git a/spec/css/plain/error/expression/parentheses.hrx b/spec/css/plain/error/expression/parentheses.hrx
index 3dc81f4164..aba78126d7 100644
--- a/spec/css/plain/error/expression/parentheses.hrx
+++ b/spec/css/plain/error/expression/parentheses.hrx
@@ -1,5 +1,5 @@
 <===> input.scss
-@import 'plain'
+@use 'plain'
 <===> plain.css
 a {
   x: (y);
@@ -11,5 +11,5 @@ Error: Parentheses aren't allowed in plain CSS.
 2 |   x: (y);
   |      ^^^
   '
-  plain.css 2:6   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:6   @use
+  input.scss 1:1  root stylesheet
diff --git a/spec/css/plain/error/expression/variable.hrx b/spec/css/plain/error/expression/variable.hrx
index 0a1876d64e..b0d0a0837d 100644
--- a/spec/css/plain/error/expression/variable.hrx
+++ b/spec/css/plain/error/expression/variable.hrx
@@ -1,5 +1,5 @@
 <===> use/input.scss
-@import 'plain'
+@use 'plain'
 <===> use/plain.css
 a {
   x: $var;
@@ -11,13 +11,13 @@ Error: Sass variables aren't allowed in plain CSS.
 2 |   x: $var;
   |      ^^^^
   '
-  plain.css 2:6   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:6   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> declaration/input.scss
-@import 'plain'
+@use 'plain'
 <===> declaration/plain.css
 $var: value;
 
@@ -27,5 +27,5 @@ Error: Sass variables aren't allowed in plain CSS.
 1 | $var: value;
   | ^^^^
   '
-  plain.css 1:1   @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:1   @use
+  input.scss 1:1  root stylesheet
diff --git a/spec/css/plain/error/media.hrx b/spec/css/plain/error/media.hrx
index 9e2983cb15..999e910015 100644
--- a/spec/css/plain/error/media.hrx
+++ b/spec/css/plain/error/media.hrx
@@ -1,5 +1,5 @@
 <===> logic/and_after/type_and_not/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> logic/and_after/type_and_not/plain.css
 @media a and not (b) and (c) {x {y: z}}
@@ -10,13 +10,13 @@ Error: expected "{".
 1 | @media a and not (b) and (c) {x {y: z}}
   |                      ^
   '
-  plain.css 1:22  @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:22  @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> logic/and_after/or/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> logic/and_after/or/plain.css
 @media (a) or (b) and (c) {x {y: z}}
@@ -27,13 +27,13 @@ Error: expected "{".
 1 | @media (a) or (b) and (c) {x {y: z}}
   |                   ^
   '
-  plain.css 1:19  @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:19  @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> logic/or_after/type/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> logic/or_after/type/plain.css
 @media a or (b) {x {y: z}}
@@ -44,13 +44,13 @@ Error: expected "{".
 1 | @media a or (b) {x {y: z}}
   |             ^
   '
-  plain.css 1:13  @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:13  @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> logic/or_after/type_and_not/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> logic/or_after/type_and_not/plain.css
 @media a and not (b) or (c) {x {y: z}}
@@ -61,13 +61,13 @@ Error: expected "{".
 1 | @media a and not (b) or (c) {x {y: z}}
   |                      ^
   '
-  plain.css 1:22  @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:22  @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> logic/or_after/and/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> logic/or_after/and/plain.css
 @media (a) and (b) or (c) {x {y: z}}
@@ -78,13 +78,13 @@ Error: expected "{".
 1 | @media (a) and (b) or (c) {x {y: z}}
   |                    ^
   '
-  plain.css 1:20  @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:20  @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> logic/or_after/type_then_and/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> logic/or_after/type_then_and/plain.css
 @media a and (b) or (c) {x {y: z}}
@@ -95,13 +95,13 @@ Error: expected "{".
 1 | @media a and (b) or (c) {x {y: z}}
   |                  ^
   '
-  plain.css 1:18  @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:18  @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> logic/nothing_after/not/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> logic/nothing_after/not/plain.css
 @media not {x {y: z}}
@@ -112,13 +112,13 @@ Error: expected media condition in parentheses.
 1 | @media not {x {y: z}}
   |            ^
   '
-  plain.css 1:12  @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:12  @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> logic/nothing_after/and_not/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> logic/nothing_after/and_not/plain.css
 @media a and not {x {y: z}}
@@ -129,13 +129,13 @@ Error: expected media condition in parentheses.
 1 | @media a and not {x {y: z}}
   |                  ^
   '
-  plain.css 1:18  @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:18  @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> logic/nothing_after/and/after_type/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> logic/nothing_after/and/after_type/plain.css
 @media a and {x {y: z}}
@@ -146,13 +146,13 @@ Error: expected media condition in parentheses.
 1 | @media a and {x {y: z}}
   |              ^
   '
-  plain.css 1:14  @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:14  @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> logic/nothing_after/and/after_paren/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> logic/nothing_after/and/after_paren/plain.css
 @media (a) and {x {y: z}}
@@ -163,13 +163,13 @@ Error: expected media condition in parentheses.
 1 | @media (a) and {x {y: z}}
   |                ^
   '
-  plain.css 1:16  @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:16  @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> logic/nothing_after/or/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> logic/nothing_after/or/plain.css
 @media (a) or {x {y: z}}
@@ -180,13 +180,13 @@ Error: expected media condition in parentheses.
 1 | @media (a) or {x {y: z}}
   |               ^
   '
-  plain.css 1:15  @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:15  @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> missing_whitespace/not/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> missing_whitespace/not/plain.css
 @media not(a) {x {y: z}}
@@ -197,13 +197,13 @@ Error: Expected whitespace.
 1 | @media not(a) {x {y: z}}
   |           ^
   '
-  plain.css 1:11  @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:11  @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> missing_whitespace/and_not/type/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> missing_whitespace/and_not/type/plain.css
 @media a and not(b) {x {y: z}}
@@ -214,13 +214,13 @@ Error: Expected whitespace.
 1 | @media a and not(b) {x {y: z}}
   |                 ^
   '
-  plain.css 1:17  @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:17  @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> missing_whitespace/and_not/type_and_modifier/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> missing_whitespace/and_not/type_and_modifier/plain.css
 @media only a and not(b) {x {y: z}}
@@ -231,13 +231,13 @@ Error: Expected whitespace.
 1 | @media only a and not(b) {x {y: z}}
   |                      ^
   '
-  plain.css 1:22  @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:22  @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> missing_whitespace/and/after_type/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> missing_whitespace/and/after_type/plain.css
 @media a and(b) {x {y: z}}
@@ -248,13 +248,13 @@ Error: Expected whitespace.
 1 | @media a and(b) {x {y: z}}
   |             ^
   '
-  plain.css 1:13  @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:13  @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> missing_whitespace/and/first/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> missing_whitespace/and/first/plain.css
 @media (a) and(b) {x {y: z}}
@@ -265,13 +265,13 @@ Error: Expected whitespace.
 1 | @media (a) and(b) {x {y: z}}
   |               ^
   '
-  plain.css 1:15  @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:15  @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> missing_whitespace/and/later/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> missing_whitespace/and/later/plain.css
 @media (a) and (b) and(c) {x {y: z}}
@@ -282,13 +282,13 @@ Error: Expected whitespace.
 1 | @media (a) and (b) and(c) {x {y: z}}
   |                       ^
   '
-  plain.css 1:23  @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:23  @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> missing_whitespace/or/first/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> missing_whitespace/or/first/plain.css
 @media (a) or(b) {x {y: z}}
@@ -299,13 +299,13 @@ Error: Expected whitespace.
 1 | @media (a) or(b) {x {y: z}}
   |              ^
   '
-  plain.css 1:14  @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:14  @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> missing_whitespace/or/later/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> missing_whitespace/or/later/plain.css
 @media (a) or (b) or(c) {x {y: z}}
@@ -316,5 +316,5 @@ Error: Expected whitespace.
 1 | @media (a) or (b) or(c) {x {y: z}}
   |                     ^
   '
-  plain.css 1:21  @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:21  @use
+  input.scss 1:1  root stylesheet
diff --git a/spec/css/plain/error/statement/at_rule.hrx b/spec/css/plain/error/statement/at_rule.hrx
index 6c0287aca2..c150bc4449 100644
--- a/spec/css/plain/error/statement/at_rule.hrx
+++ b/spec/css/plain/error/statement/at_rule.hrx
@@ -1,5 +1,5 @@
 <===> at_root/input.scss
-@import 'plain'
+@use 'plain'
 <===> at_root/plain.css
 a {
   @at-root b {
@@ -13,13 +13,13 @@ Error: This at-rule isn't allowed in plain CSS.
 2 |   @at-root b {
   |   ^^^^^^^^^^^
   '
-  plain.css 2:3   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:3   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> content/input.scss
-@import 'plain'
+@use 'plain'
 <===> content/plain.css
 @content;
 
@@ -29,13 +29,13 @@ Error: This at-rule isn't allowed in plain CSS.
 1 | @content;
   | ^^^^^^^^
   '
-  plain.css 1:1   @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:1   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> debug/input.scss
-@import 'plain'
+@use 'plain'
 <===> debug/plain.css
 @debug foo;
 
@@ -45,13 +45,13 @@ Error: This at-rule isn't allowed in plain CSS.
 1 | @debug foo;
   | ^^^^^^^^^^
   '
-  plain.css 1:1   @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:1   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> each/input.scss
-@import 'plain'
+@use 'plain'
 <===> each/plain.css
 @each $i in 1 2 3 {
   a {
@@ -65,13 +65,13 @@ Error: This at-rule isn't allowed in plain CSS.
 1 | @each $i in 1 2 3 {
   | ^^^^^^^^^^^^^^^^^^
   '
-  plain.css 1:1   @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:1   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> error/input.scss
-@import 'plain'
+@use 'plain'
 <===> error/plain.css
 @error foo;
 
@@ -81,13 +81,13 @@ Error: This at-rule isn't allowed in plain CSS.
 1 | @error foo;
   | ^^^^^^^^^^
   '
-  plain.css 1:1   @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:1   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> extend/input.scss
-@import 'plain'
+@use 'plain'
 <===> extend/plain.css
 a {
   @extend b;
@@ -99,13 +99,13 @@ Error: This at-rule isn't allowed in plain CSS.
 2 |   @extend b;
   |   ^^^^^^^^^
   '
-  plain.css 2:3   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:3   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> for/input.scss
-@import 'plain'
+@use 'plain'
 <===> for/plain.css
 @for $i from 1 to 5 {
   a {
@@ -119,13 +119,13 @@ Error: This at-rule isn't allowed in plain CSS.
 1 | @for $i from 1 to 5 {
   | ^^^^^^^^^^^^^^^^^^^^
   '
-  plain.css 1:1   @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:1   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> function/input.scss
-@import 'plain'
+@use 'plain'
 <===> function/plain.css
 @function foo() {
   @return 1;
@@ -137,13 +137,13 @@ Error: This at-rule isn't allowed in plain CSS.
 1 | @function foo() {
   | ^^^^^^^^^^^^^^^^
   '
-  plain.css 1:1   @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:1   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> if/input.scss
-@import 'plain'
+@use 'plain'
 <===> if/plain.css
 @if true {
   a {
@@ -157,13 +157,13 @@ Error: This at-rule isn't allowed in plain CSS.
 1 | @if true {
   | ^^^^^^^^^
   '
-  plain.css 1:1   @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:1   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> import/interpolated/input.scss
-@import 'plain'
+@use 'plain'
 <===> import/interpolated/plain.css
 @import url("foo#{bar}baz");
 
@@ -173,13 +173,13 @@ Error: Interpolation isn't allowed in plain CSS.
 1 | @import url("foo#{bar}baz");
   |                 ^^^^^^
   '
-  plain.css 1:17  @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:17  @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> import/nested/input.scss
-@import 'plain'
+@use 'plain'
 <===> import/nested/plain.css
 a {
   @import "foo";
@@ -193,7 +193,7 @@ a {
 <===>
 ================================================================================
 <===> import/multi/input.scss
-@import 'plain'
+@use 'plain'
 <===> import/multi/plain.css
 @import "foo", "bar";
 
@@ -203,13 +203,13 @@ Error: expected ";".
 1 | @import "foo", "bar";
   |              ^
   '
-  plain.css 1:14  @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:14  @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> include/input.scss
-@import 'plain'
+@use 'plain'
 <===> include/plain.css
 @include foo;
 
@@ -219,18 +219,18 @@ Error: This at-rule isn't allowed in plain CSS.
 1 | @include foo;
   | ^^^^^^^^^^^^
   '
-  plain.css 1:1   @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:1   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> mixin/input.scss
-@import 'plain'
+@use 'plain'
 <===> mixin/plain.css
 @mixin foo {
   a {
     x: y;
-  } 
+  }
 }
 
 <===> mixin/error
@@ -239,13 +239,13 @@ Error: This at-rule isn't allowed in plain CSS.
 1 | @mixin foo {
   | ^^^^^^^^^^^
   '
-  plain.css 1:1   @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:1   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> return/input.scss
-@import 'plain'
+@use 'plain'
 <===> return/plain.css
 @return foo;
 
@@ -255,13 +255,13 @@ Error: This at-rule isn't allowed in plain CSS.
 1 | @return foo;
   | ^^^^^^^^^^^
   '
-  plain.css 1:1   @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:1   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> warn/input.scss
-@import 'plain'
+@use 'plain'
 <===> warn/plain.css
 @warn foo;
 
@@ -271,13 +271,13 @@ Error: This at-rule isn't allowed in plain CSS.
 1 | @warn foo;
   | ^^^^^^^^^
   '
-  plain.css 1:1   @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:1   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> while/input.scss
-@import 'plain'
+@use 'plain'
 <===> while/plain.css
 @while false {
   a {
@@ -291,13 +291,13 @@ Error: This at-rule isn't allowed in plain CSS.
 1 | @while false {
   | ^^^^^^^^^^^^^
   '
-  plain.css 1:1   @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:1   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> interpolation/input.scss
-@import 'plain'
+@use 'plain'
 <===> interpolation/plain.css
 @foo a#{b}c;
 
@@ -307,5 +307,5 @@ Error: Interpolation isn't allowed in plain CSS.
 1 | @foo a#{b}c;
   |       ^^^^
   '
-  plain.css 1:7   @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:7   @use
+  input.scss 1:1  root stylesheet
diff --git a/spec/css/plain/error/statement/silent_comment.hrx b/spec/css/plain/error/statement/silent_comment.hrx
index 6c852fccaf..ddfde96cb9 100644
--- a/spec/css/plain/error/statement/silent_comment.hrx
+++ b/spec/css/plain/error/statement/silent_comment.hrx
@@ -1,5 +1,5 @@
 <===> input.scss
-@import 'plain'
+@use 'plain'
 
 <===> plain.css
 // silent
@@ -10,5 +10,5 @@ Error: Silent comments aren't allowed in plain CSS.
 1 | // silent
   | ^^^^^^^^^
   '
-  plain.css 1:1   @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:1   @use
+  input.scss 1:1  root stylesheet
diff --git a/spec/css/plain/error/statement/style_rule.hrx b/spec/css/plain/error/statement/style_rule.hrx
index e6e4815259..89a50f02fd 100644
--- a/spec/css/plain/error/statement/style_rule.hrx
+++ b/spec/css/plain/error/statement/style_rule.hrx
@@ -1,5 +1,5 @@
 <===> nested_property/no_value/input.scss
-@import 'plain'
+@use 'plain'
 <===> nested_property/no_value/plain.css
 a {
   x: {
@@ -13,13 +13,13 @@ Error: Nested declarations aren't allowed in plain CSS.
 2 |   x: {
   |      ^
   '
-  plain.css 2:6   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:6   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> nested_property/value/input.scss
-@import 'plain'
+@use 'plain'
 
 <===> nested_property/value/plain.css
 a {
@@ -34,8 +34,8 @@ Error: Nested declarations aren't allowed in plain CSS.
 2 |   b: c {
   |        ^
   '
-  plain.css 2:8   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:8   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
@@ -144,7 +144,7 @@ Error: Top-level leading combinators aren't allowed in plain CSS.
 <===>
 ================================================================================
 <===> placeholder_selector/input.scss
-@import 'plain'
+@use 'plain'
 <===> placeholder_selector/plain.css
 %foo {
   x: y;
@@ -156,13 +156,13 @@ Error: Placeholder selectors aren't allowed in plain CSS.
 1 | %foo {
   | ^^^^
   '
-  plain.css 1:1   @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:1   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> interpolation/selector/input.scss
-@import 'plain'
+@use 'plain'
 <===> interpolation/selector/plain.css
 a#{b}c {
   x: y;
@@ -174,13 +174,13 @@ Error: Interpolation isn't allowed in plain CSS.
 1 | a#{b}c {
   |  ^^^^
   '
-  plain.css 1:2   @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:2   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> interpolation/declaration/input.scss
-@import 'plain'
+@use 'plain'
 <===> interpolation/declaration/plain.css
 a {
   w#{x}y: z;
@@ -192,13 +192,13 @@ Error: Interpolation isn't allowed in plain CSS.
 2 |   w#{x}y: z;
   |    ^^^^
   '
-  plain.css 2:4   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:4   @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> interpolation/custom_property/input.scss
-@import 'plain'
+@use 'plain'
 <===> interpolation/custom_property/plain.css
 a {
   --b: #{c};
@@ -210,5 +210,5 @@ Error: Interpolation isn't allowed in plain CSS.
 2 |   --b: #{c};
   |        ^^^^
   '
-  plain.css 2:8   @import
-  input.scss 1:9  root stylesheet
+  plain.css 2:8   @use
+  input.scss 1:1  root stylesheet
diff --git a/spec/css/plain/extend.hrx b/spec/css/plain/extend.hrx
index ee30a3a8eb..eee3a9b09a 100644
--- a/spec/css/plain/extend.hrx
+++ b/spec/css/plain/extend.hrx
@@ -1,5 +1,5 @@
 <===> input.scss
-@import "plain";
+@use "plain";
 
 a {@extend b}
 
diff --git a/spec/css/plain/functions.hrx b/spec/css/plain/functions.hrx
index 75f2c4faa4..e779334323 100644
--- a/spec/css/plain/functions.hrx
+++ b/spec/css/plain/functions.hrx
@@ -14,7 +14,7 @@ c {
 <===>
 ================================================================================
 <===> hsl/input.scss
-@import "plain";
+@use "plain";
 
 <===> hsl/plain.css
 a {b: hsl(0, 100%, 50%)}
@@ -27,7 +27,7 @@ a {
 <===>
 ================================================================================
 <===> hsla/input.scss
-@import "plain";
+@use "plain";
 
 <===> hsla/plain.css
 a {b: hsla(0, 100%, 50%, 0.5)}
@@ -40,7 +40,7 @@ a {
 <===>
 ================================================================================
 <===> rgb/input.scss
-@import "plain";
+@use "plain";
 
 <===> rgb/plain.css
 a {b: rgb(10, 20, 30)}
@@ -53,7 +53,7 @@ a {
 <===>
 ================================================================================
 <===> rgba/input.scss
-@import "plain";
+@use "plain";
 
 <===> rgba/plain.css
 a {b: rgba(10, 20, 30, 0.5)}
@@ -66,7 +66,7 @@ a {
 <===>
 ================================================================================
 <===> grayscale/input.scss
-@import "plain";
+@use "plain";
 
 <===> grayscale/plain.css
 a {b: grayscale(0.1)}
@@ -79,7 +79,7 @@ a {
 <===>
 ================================================================================
 <===> invert/input.scss
-@import "plain";
+@use "plain";
 
 <===> invert/plain.css
 a {b: invert(0.1)}
@@ -92,7 +92,7 @@ a {
 <===>
 ================================================================================
 <===> alpha/input.scss
-@import "plain";
+@use "plain";
 
 <===> alpha/plain.css
 a {b: alpha(0.1)}
@@ -105,7 +105,7 @@ a {
 <===>
 ================================================================================
 <===> saturate/input.scss
-@import "plain";
+@use "plain";
 
 <===> saturate/plain.css
 a {b: saturate(0.1)}
@@ -118,7 +118,7 @@ a {
 <===>
 ================================================================================
 <===> empty_fallback_var/input.scss
-@import "plain";
+@use "plain";
 
 <===> empty_fallback_var/plain.css
 a {b: var(--c, )}
@@ -131,7 +131,7 @@ a {
 <===>
 ================================================================================
 <===> error/empty_fallback_var/invalid_second_arg_syntax/input.scss
-@import "plain";
+@use "plain";
 
 <===> error/empty_fallback_var/invalid_second_arg_syntax/plain.css
 a {b: var(--c, {})}
@@ -142,13 +142,13 @@ Error: Expected expression.
 1 | a {b: var(--c, {})}
   |                ^
   '
-  plain.css 1:16  @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:16  @use
+  input.scss 1:1  root stylesheet
 
 <===>
 ================================================================================
 <===> error/empty_fallback_var/empty_second_before_third/input.scss
-@import "plain";
+@use "plain";
 
 <===> error/empty_fallback_var/empty_second_before_third/plain.css
 a {b: var(--c, , d)}
@@ -159,5 +159,5 @@ Error: Expected expression.
 1 | a {b: var(--c, , d)}
   |                ^
   '
-  plain.css 1:16  @import
-  input.scss 1:9  root stylesheet
+  plain.css 1:16  @use
+  input.scss 1:1  root stylesheet
diff --git a/spec/css/plain/hacks.hrx b/spec/css/plain/hacks.hrx
index e8e5be66fd..4525cb059e 100644
--- a/spec/css/plain/hacks.hrx
+++ b/spec/css/plain/hacks.hrx
@@ -1,5 +1,5 @@
 <===> input.scss
-@import "plain";
+@use "plain";
 
 <===> plain.css
 .hacks {
diff --git a/spec/css/plain/media.hrx b/spec/css/plain/media.hrx
index a711c3f2b8..a15d9c03e3 100644
--- a/spec/css/plain/media.hrx
+++ b/spec/css/plain/media.hrx
@@ -1,5 +1,5 @@
 <===> logic/and_not/lowercase/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> logic/and_not/lowercase/plain.css
 @media a and not (b) {x {y: z}}
@@ -14,7 +14,7 @@
 <===>
 ================================================================================
 <===> logic/and_not/mixed_case/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> logic/and_not/mixed_case/plain.css
 @media a AnD nOt (b) {x {y: z}}
@@ -29,7 +29,7 @@
 <===>
 ================================================================================
 <===> logic/and_not/after_type_and_modifier/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> logic/and_not/after_type_and_modifier/plain.css
 @media only a and not (b) {x {y: z}}
@@ -44,7 +44,7 @@
 <===>
 ================================================================================
 <===> logic/and/one/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> logic/and/one/plain.css
 @media (a) and (b) {x {y: z}}
@@ -59,7 +59,7 @@
 <===>
 ================================================================================
 <===> logic/and/no_whitespace_before/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> logic/and/no_whitespace_before/plain.css
 @media (a)and (b) {x {y: z}}
@@ -74,7 +74,7 @@
 <===>
 ================================================================================
 <===> logic/and/multiple/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> logic/and/multiple/plain.css
 @media (a) and (b) and (c) and (d) {x {y: z}}
@@ -89,7 +89,7 @@
 <===>
 ================================================================================
 <===> logic/and/mixed_case/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> logic/and/mixed_case/plain.css
 @media (a) AnD (b) {x {y: z}}
@@ -104,7 +104,7 @@
 <===>
 ================================================================================
 <===> logic/or/one/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> logic/or/one/plain.css
 @media (a) or (b) {x {y: z}}
@@ -119,7 +119,7 @@
 <===>
 ================================================================================
 <===> logic/or/no_whitespace_before/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> logic/or/no_whitespace_before/plain.css
 @media (a)or (b) {x {y: z}}
@@ -134,7 +134,7 @@
 <===>
 ================================================================================
 <===> logic/or/multiple/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> logic/or/multiple/plain.css
 @media (a) or (b) or (c) or (d) {x {y: z}}
@@ -149,7 +149,7 @@
 <===>
 ================================================================================
 <===> logic/or/mixed_case/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> logic/or/mixed_case/plain.css
 @media (a) oR (b) {x {y: z}}
@@ -164,7 +164,7 @@
 <===>
 ================================================================================
 <===> logic/not/lowercase/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> logic/not/lowercase/plain.css
 @media not (a) {x {y: z}}
@@ -179,7 +179,7 @@
 <===>
 ================================================================================
 <===> logic/not/mixed_case/input.scss
-@import 'plain';
+@use 'plain';
 
 <===> logic/not/mixed_case/plain.css
 @media NoT (a) {x {y: z}}
diff --git a/spec/css/plain/null.hrx b/spec/css/plain/null.hrx
index 8f40e329b5..32c1f20782 100644
--- a/spec/css/plain/null.hrx
+++ b/spec/css/plain/null.hrx
@@ -1,5 +1,5 @@
 <===> input.scss
-@import "plain";
+@use "plain";
 
 <===> plain.css
 a {
diff --git a/spec/css/plain/single_equals.hrx b/spec/css/plain/single_equals.hrx
index 6823adac04..5d82612ed3 100644
--- a/spec/css/plain/single_equals.hrx
+++ b/spec/css/plain/single_equals.hrx
@@ -1,5 +1,5 @@
 <===> input.scss
-@import "plain";
+@use "plain";
 
 <===> plain.css
 a {
diff --git a/spec/css/plain/slash.hrx b/spec/css/plain/slash.hrx
index 3e8516c1a6..c9442756a8 100644
--- a/spec/css/plain/slash.hrx
+++ b/spec/css/plain/slash.hrx
@@ -1,5 +1,5 @@
 <===> with_intermediate/input.scss
-@import "plain";
+@use "plain";
 
 <===> with_intermediate/plain.css
 a {b: 1/2/foo/bar}
@@ -12,7 +12,7 @@ a {
 <===>
 ================================================================================
 <===> without_intermediate/whitespace/input.scss
-@import "plain";
+@use "plain";
 
 <===> without_intermediate/whitespace/plain.css
 a {b: 1/ / /bar}
@@ -25,7 +25,7 @@ a {
 <===>
 ================================================================================
 <===> without_intermediate/no_whitespace/input.scss
-@import "plain";
+@use "plain";
 
 <===> without_intermediate/no_whitespace/plain.css
 a {b: 1///bar}

From 992d1d18a1762af7a8a98c0ab62bf9f1f1c0c217 Mon Sep 17 00:00:00 2001
From: Jennifer Thakar <jathak@gmail.com>
Date: Fri, 19 Jul 2024 09:33:07 -0700
Subject: [PATCH 08/10] Migrate js-api-spec tests

---
 js-api-spec/compile.node.test.ts           |   6 +-
 js-api-spec/compiler.node.test.ts          |   8 +-
 js-api-spec/compiler.test.ts               |  14 ++-
 js-api-spec/deprecations.test.ts           |   1 +
 js-api-spec/importer.node.test.ts          |  54 +++++----
 js-api-spec/importer.test.ts               |  85 +++++++------
 js-api-spec/legacy/importer.node.test.ts   | 134 ++++++++++-----------
 js-api-spec/legacy/render.node.test.ts     |  22 ++--
 js-api-spec/legacy/source-map.node.test.ts |  12 +-
 9 files changed, 176 insertions(+), 160 deletions(-)

diff --git a/js-api-spec/compile.node.test.ts b/js-api-spec/compile.node.test.ts
index 4f174a2124..4e9d5a7822 100644
--- a/js-api-spec/compile.node.test.ts
+++ b/js-api-spec/compile.node.test.ts
@@ -82,7 +82,11 @@ describe('compileString', () => {
               '_upstream.scss': 'a {b: c}',
             });
             expect(
-              compileString('@import "left"; @import "right"', {url}).loadedUrls
+              compileString('@import "left"; @import "right"', {
+                url,
+                // TODO(jathak): Add this once import deprecation is active
+                // silenceDeprecations: ['import'],
+              }).loadedUrls
             ).toEqual([
               url,
               dir.url('_left.scss'),
diff --git a/js-api-spec/compiler.node.test.ts b/js-api-spec/compiler.node.test.ts
index 8af5c13b8f..90e274b102 100644
--- a/js-api-spec/compiler.node.test.ts
+++ b/js-api-spec/compiler.node.test.ts
@@ -30,7 +30,7 @@ describe('Compiler', () => {
     it('performs complete compilations', () =>
       sandbox(dir => {
         const logger = getLogger();
-        dir.write({'input.scss': '@import "bar"; .fn {value: foo(bar)}'});
+        dir.write({'input.scss': '@use "bar"; .fn {value: foo(bar)}'});
         const result = compiler.compile(dir('input.scss'), {
           importers,
           functions,
@@ -52,7 +52,7 @@ describe('Compiler', () => {
             syntax: 'scss',
           }),
         };
-        dir.write({'input.scss': '@import "nested"; a {b: c}'});
+        dir.write({'input.scss': '@use "nested"; a {b: c}'});
         const result = compiler.compile(dir('input.scss'), {
           importers: [nestedImporter],
         });
@@ -91,7 +91,7 @@ describe('AsyncCompiler', () => {
             .map((_, i) => {
               const filename = `input-${i}.scss`;
               dir.write({
-                [filename]: `@import "${i}"; .fn {value: foo(${i})}`,
+                [filename]: `@use "${i}" as _; .fn {value: foo(${i})}`,
               });
               return compiler.compileAsync(dir(filename), {
                 importers: asyncImporters,
@@ -121,7 +121,7 @@ describe('AsyncCompiler', () => {
     it('waits for compilations to finish before disposing', () =>
       sandbox(async dir => {
         let completed = false;
-        dir.write({'input.scss': '@import "slow"'});
+        dir.write({'input.scss': '@use "slow"'});
         const {importer, triggerComplete} = getTriggeredImporter(
           () => (completed = true)
         );
diff --git a/js-api-spec/compiler.test.ts b/js-api-spec/compiler.test.ts
index 065f3e7e49..713e50c6d5 100644
--- a/js-api-spec/compiler.test.ts
+++ b/js-api-spec/compiler.test.ts
@@ -73,7 +73,7 @@ describe('Compiler', () => {
     it('performs complete compilations', () => {
       const logger = getLogger();
       const result = compiler.compileString(
-        '@import "bar"; .fn {value: foo(baz)}',
+        '@use "bar"; .fn {value: foo(baz)}',
         {importers, functions, logger}
       );
       expect(result.css).toEqualIgnoringWhitespace(
@@ -90,7 +90,7 @@ describe('Compiler', () => {
           syntax: 'scss',
         }),
       };
-      const result = compiler.compileString('@import "nested"; a {b: c}', {
+      const result = compiler.compileString('@use "nested"; a {b: c}', {
         importers: [nestedImporter],
       });
       expect(result.css).toEqualIgnoringWhitespace('x {y: z;} a {b: c;}');
@@ -139,8 +139,12 @@ describe('AsyncCompiler', () => {
         .fill(0)
         .map((_, i) =>
           compiler.compileStringAsync(
-            `@import "${i}"; .fn {value: foo(${i})}`,
-            {importers: asyncImporters, functions, logger}
+            `@use "${i}" as _; .fn {value: foo(${i})}`,
+            {
+              importers: asyncImporters,
+              functions,
+              logger,
+            }
           )
         );
       Array.from(await Promise.all(compilations))
@@ -165,7 +169,7 @@ describe('AsyncCompiler', () => {
       const {importer, triggerComplete} = getTriggeredImporter(
         () => (completed = true)
       );
-      const compilation = compiler.compileStringAsync('@import "slow"', {
+      const compilation = compiler.compileStringAsync('@use "slow"', {
         importers: [importer],
       });
 
diff --git a/js-api-spec/deprecations.test.ts b/js-api-spec/deprecations.test.ts
index 852c068f88..b50222e745 100644
--- a/js-api-spec/deprecations.test.ts
+++ b/js-api-spec/deprecations.test.ts
@@ -131,6 +131,7 @@ describe('an error', () => {
   });
 });
 
+// TODO(jathak): Disable these tests when there aren't any future deprecations.
 describe('for a future deprecation,', () => {
   let importer: Importer;
   beforeEach(() => {
diff --git a/js-api-spec/importer.node.test.ts b/js-api-spec/importer.node.test.ts
index e03ad18fb9..b85fb08bcc 100644
--- a/js-api-spec/importer.node.test.ts
+++ b/js-api-spec/importer.node.test.ts
@@ -18,7 +18,7 @@ it('avoids importer when canonicalize() returns null', () =>
   sandbox(dir => {
     dir.write({'dir/_other.scss': 'a {from: dir}'});
 
-    const result = compileString('@import "other";', {
+    const result = compileString('@use "other";', {
       importers: [
         {
           canonicalize: () => null,
@@ -37,7 +37,7 @@ it('fails to import when load() returns null', () =>
     dir.write({'dir/_other.scss': 'a {from: dir}'});
 
     expect(() => {
-      compileString('@import "other";', {
+      compileString('@use "other";', {
         importers: [
           {
             canonicalize: (url: string) => new URL(`u:${url}`),
@@ -52,7 +52,7 @@ it('fails to import when load() returns null', () =>
 it('prefers a relative file load to an importer', () =>
   sandbox(dir => {
     dir.write({
-      'input.scss': '@import "other"',
+      'input.scss': '@use "other"',
       '_other.scss': 'a {from: relative}',
     });
 
@@ -74,7 +74,7 @@ it('prefers a relative file load to an importer', () =>
 it('prefers an importer to a load path', () =>
   sandbox(dir => {
     dir.write({
-      'input.scss': '@import "other"',
+      'input.scss': '@use "other"',
       'dir/_other.scss': 'a {from: load-path}',
     });
 
@@ -95,7 +95,7 @@ describe('FileImporter', () => {
     sandbox(dir => {
       dir.write({'_other.scss': 'a {b: c}'});
 
-      const result = compileString('@import "other";', {
+      const result = compileString('@use "other";', {
         importers: [{findFileUrl: () => dir.url('_other.scss')}],
       });
       expect(result.css).toBe('a {\n  b: c;\n}');
@@ -105,7 +105,7 @@ describe('FileImporter', () => {
     sandbox(dir => {
       dir.write({'other/_index.scss': 'a {b: c}'});
 
-      const result = compileString('@import "other";', {
+      const result = compileString('@use "other";', {
         importers: [{findFileUrl: () => dir.url('other')}],
       });
       expect(result.css).toBe('a {\n  b: c;\n}');
@@ -115,7 +115,7 @@ describe('FileImporter', () => {
     sandbox(dir => {
       dir.write({'_other.scss': 'a {from: dir}'});
 
-      const result = compileString('@import "other";', {
+      const result = compileString('@use "other";', {
         importers: [{findFileUrl: () => null}],
         loadPaths: [dir.root],
       });
@@ -126,7 +126,7 @@ describe('FileImporter', () => {
     sandbox(dir => {
       dir.write({'_other.scss': 'a {from: dir}'});
 
-      const result = compileString('@import "other";', {
+      const result = compileString('@use "other";', {
         importers: [{findFileUrl: () => dir.url('nonexistent/other')}],
         loadPaths: [dir.root],
       });
@@ -137,7 +137,7 @@ describe('FileImporter', () => {
     sandbox(dir => {
       dir.write({'dir/_other.scss': 'a {b: c}'});
 
-      const result = compileString('@import "u:other";', {
+      const result = compileString('@use "u:other";', {
         importers: [
           {
             findFileUrl(url: string) {
@@ -154,7 +154,7 @@ describe('FileImporter', () => {
     sandbox(dir => {
       dir.write({'_other.scss': 'a {b: c}'});
 
-      const result = compileString(`@import "${dir.url('other')}";`, {
+      const result = compileString(`@use "${dir.url('other')}";`, {
         importers: [
           {
             findFileUrl() {
@@ -168,11 +168,11 @@ describe('FileImporter', () => {
 
   it("doesn't pass relative loads to the importer", () =>
     sandbox(dir => {
-      dir.write({'_midstream.scss': '@import "upstream"'});
+      dir.write({'_midstream.scss': '@use "upstream"'});
       dir.write({'_upstream.scss': 'a {b: c}'});
 
       let count = 0;
-      const result = compileString('@import "midstream";', {
+      const result = compileString('@use "midstream";', {
         importers: [
           {
             findFileUrl() {
@@ -191,7 +191,7 @@ describe('FileImporter', () => {
 
   it('wraps an error', () => {
     expect(() => {
-      compileString('@import "other";', {
+      compileString('@use "other";', {
         importers: [
           {
             findFileUrl() {
@@ -205,7 +205,7 @@ describe('FileImporter', () => {
 
   it('rejects a non-file URL', () => {
     expect(() => {
-      compileString('@import "other";', {
+      compileString('@use "other";', {
         importers: [{findFileUrl: () => new URL('u:other.scss')}],
       });
     }).toThrowSassException({line: 0});
@@ -215,7 +215,7 @@ describe('FileImporter', () => {
     it('.scss, parses it as SCSS', () =>
       sandbox(dir => {
         dir.write({'_other.scss': '$a: value; b {c: $a}'});
-        const result = compileString('@import "other";', {
+        const result = compileString('@use "other";', {
           importers: [{findFileUrl: () => dir.url('other')}],
         });
         expect(result.css).toBe('b {\n  c: value;\n}');
@@ -224,7 +224,7 @@ describe('FileImporter', () => {
     it('.sass, parses it as the indented syntax', () =>
       sandbox(dir => {
         dir.write({'_other.sass': '$a: value\nb\n  c: $a'});
-        const result = compileString('@import "other";', {
+        const result = compileString('@use "other";', {
           importers: [{findFileUrl: () => dir.url('other')}],
         });
         expect(result.css).toBe('b {\n  c: value;\n}');
@@ -233,7 +233,7 @@ describe('FileImporter', () => {
     it('.css, allows plain CSS', () =>
       sandbox(dir => {
         dir.write({'_other.css': 'a {b: c}'});
-        const result = compileString('@import "other";', {
+        const result = compileString('@use "other";', {
           importers: [{findFileUrl: () => dir.url('other')}],
         });
         expect(result.css).toBe('a {\n  b: c;\n}');
@@ -243,7 +243,7 @@ describe('FileImporter', () => {
       sandbox(dir => {
         dir.write({'_other.css': '$a: value; b {c: $a}'});
         expect(() => {
-          compileString('@import "other";', {
+          compileString('@use "other";', {
             importers: [{findFileUrl: () => dir.url('other')}],
           });
         }).toThrowSassException({
@@ -266,6 +266,8 @@ describe('FileImporter', () => {
               },
             },
           ],
+          // TODO(jathak): Add this once import deprecation is active
+          // silenceDeprecations: ['import'],
         });
       }));
 
@@ -289,7 +291,7 @@ describe('FileImporter', () => {
     it('set for a relative URL', () =>
       sandbox(dir => {
         dir.write({'_other.css': 'a {b: c}'});
-        const result = compileString('@import "other";', {
+        const result = compileString('@use "other";', {
           importers: [
             {
               findFileUrl: (url: string, context: CanonicalizeContext) => {
@@ -308,7 +310,7 @@ describe('FileImporter', () => {
     it('set for an absolute URL', () =>
       sandbox(dir => {
         dir.write({'_other.css': 'a {b: c}'});
-        const result = compileString('@import "u:other";', {
+        const result = compileString('@use "u:other";', {
           importers: [
             {
               findFileUrl: (url: string, context: CanonicalizeContext) => {
@@ -327,7 +329,7 @@ describe('FileImporter', () => {
     it('unset when the URL is unavailable', () =>
       sandbox(dir => {
         dir.write({'_other.css': 'a {b: c}'});
-        const result = compileString('@import "u:other";', {
+        const result = compileString('@use "u:other";', {
           importers: [
             {
               findFileUrl: (url: string, context: CanonicalizeContext) => {
@@ -342,7 +344,7 @@ describe('FileImporter', () => {
   });
 
   describe('async', () => {
-    it('resolves an @import', async () =>
+    it('resolves an @use', async () =>
       sandbox(async dir => {
         dir.write({'_other.scss': 'a {b: c}'});
         const result = await compileStringAsync('@use "other"', {
@@ -357,7 +359,7 @@ describe('FileImporter', () => {
 
     it('wraps an error', async () => {
       await expectAsync(() =>
-        compileStringAsync('@import "other";', {
+        compileStringAsync('@use "other";', {
           importers: [
             {
               findFileUrl: () => Promise.reject('this import is bad actually'),
@@ -376,10 +378,10 @@ describe('FileImporter', () => {
       });
 
       dir.write({
-        'main.scss': '@import "sub1/test"; @import "sub1/sub2/test"',
-        'sub1/test.scss': '@import "y"',
+        'main.scss': '@use "sub1/test"; @use "sub1/sub2/test" as test2',
+        'sub1/test.scss': '@use "y"',
         'sub1/x.scss': 'x { from: sub1; }',
-        'sub1/sub2/test.scss': '@import "y"',
+        'sub1/sub2/test.scss': '@use "y"',
         'sub1/sub2/x.scss': 'x { from: sub2; }',
       });
 
diff --git a/js-api-spec/importer.test.ts b/js-api-spec/importer.test.ts
index a9658b2c82..73805af409 100644
--- a/js-api-spec/importer.test.ts
+++ b/js-api-spec/importer.test.ts
@@ -12,8 +12,8 @@ import {
 
 import {sassImpl, runOnlyForImpl, URL} from './utils';
 
-it('uses an importer to resolve an @import', () => {
-  const result = compileString('@import "orange";', {
+it('uses an importer to resolve a @use', () => {
+  const result = compileString('@use "orange";', {
     importers: [
       {
         canonicalize: (url: string) => new URL(`u:${url}`),
@@ -29,7 +29,7 @@ it('uses an importer to resolve an @import', () => {
 });
 
 it('passes the canonicalized URL to the importer', () => {
-  const result = compileString('@import "orange";', {
+  const result = compileString('@use "orange";', {
     importers: [
       {
         canonicalize: () => new URL('u:blue'),
@@ -60,6 +60,7 @@ it('only invokes the importer once for a given canonicalization', () => {
           },
         },
       ],
+      silenceDeprecations: ['import'],
     }
   );
 
@@ -75,7 +76,7 @@ it('only invokes the importer once for a given canonicalization', () => {
 describe('the imported URL', () => {
   // Regression test for sass/dart-sass#1137.
   it("isn't changed if it's root-relative", () => {
-    const result = compileString('@import "/orange";', {
+    const result = compileString('@use "/orange";', {
       importers: [
         {
           canonicalize(url: string) {
@@ -109,7 +110,7 @@ describe('the imported URL', () => {
 
 describe('the containing URL', () => {
   it('is null for a potentially canonical scheme', () => {
-    const result = compileString('@import "u:orange"', {
+    const result = compileString('@use "u:orange"', {
       importers: [
         {
           canonicalize: (url: string, context: CanonicalizeContext) => {
@@ -127,7 +128,7 @@ describe('the containing URL', () => {
   describe('for a non-canonical scheme', () => {
     describe('in a list', () => {
       it('is set to the original URL', () => {
-        const result = compileString('@import "u:orange"', {
+        const result = compileString('@use "u:orange"', {
           importers: [
             {
               canonicalize: (url: string, context: CanonicalizeContext) => {
@@ -147,7 +148,7 @@ describe('the containing URL', () => {
       });
 
       it('is null if the original URL is null', () => {
-        const result = compileString('@import "u:orange"', {
+        const result = compileString('@use "u:orange"', {
           importers: [
             {
               canonicalize: (url: string, context: CanonicalizeContext) => {
@@ -166,7 +167,7 @@ describe('the containing URL', () => {
 
     describe('as a string', () => {
       it('is set to the original URL', () => {
-        const result = compileString('@import "u:orange"', {
+        const result = compileString('@use "u:orange"', {
           importers: [
             {
               canonicalize: (url: string, context: CanonicalizeContext) => {
@@ -186,7 +187,7 @@ describe('the containing URL', () => {
       });
 
       it('is null if the original URL is null', () => {
-        const result = compileString('@import "u:orange"', {
+        const result = compileString('@use "u:orange"', {
           importers: [
             {
               canonicalize: (url: string, context: CanonicalizeContext) => {
@@ -206,7 +207,7 @@ describe('the containing URL', () => {
 
   describe('for a schemeless load', () => {
     it('is set to the original URL', () => {
-      const result = compileString('@import "orange"', {
+      const result = compileString('@use "orange"', {
         importers: [
           {
             canonicalize: (url: string, context: CanonicalizeContext) => {
@@ -223,7 +224,7 @@ describe('the containing URL', () => {
     });
 
     it('is null if the original URL is null', () => {
-      const result = compileString('@import "orange"', {
+      const result = compileString('@use "orange"', {
         importers: [
           {
             canonicalize: (url: string, context: CanonicalizeContext) => {
@@ -246,7 +247,7 @@ describe(
   () => {
     it('set as a list', () =>
       expect(() =>
-        compileString('@import "orange"', {
+        compileString('@use "orange"', {
           importers: [
             {
               canonicalize: (url: string) => {
@@ -261,7 +262,7 @@ describe(
 
     it('set as a string', () =>
       expect(() =>
-        compileString('@import "orange"', {
+        compileString('@use "orange"', {
           importers: [
             {
               canonicalize: (url: string) => {
@@ -318,7 +319,7 @@ describe('throws an error for an invalid scheme:', () => {
 });
 
 it("uses an importer's source map URL", () => {
-  const result = compileString('@import "orange";', {
+  const result = compileString('@use "orange";', {
     importers: [
       {
         canonicalize: (url: string) => new URL(`u:${url}`),
@@ -340,7 +341,7 @@ it("uses an importer's source map URL", () => {
 
 it('wraps an error in canonicalize()', () => {
   expect(() => {
-    compileString('@import "orange";', {
+    compileString('@use "orange";', {
       importers: [
         {
           canonicalize() {
@@ -357,7 +358,7 @@ it('wraps an error in canonicalize()', () => {
 
 it('wraps an error in load()', () => {
   expect(() => {
-    compileString('@import "orange";', {
+    compileString('@use "orange";', {
       importers: [
         {
           canonicalize: (url: string) => new URL(`u:${url}`),
@@ -372,7 +373,7 @@ it('wraps an error in load()', () => {
 
 it('fails to import when load() returns null', () =>
   expect(() => {
-    compileString('@import "other";', {
+    compileString('@use "other";', {
       importers: [
         {
           canonicalize: (url: string) => new URL(`u:${url}`),
@@ -384,7 +385,7 @@ it('fails to import when load() returns null', () =>
 
 describe('with syntax', () => {
   it('scss, parses it as SCSS', () => {
-    const result = compileString('@import "other";', {
+    const result = compileString('@use "other";', {
       importers: [
         {
           canonicalize: () => new URL('u:other'),
@@ -397,7 +398,7 @@ describe('with syntax', () => {
   });
 
   it('indented, parses it as the indented syntax', () => {
-    const result = compileString('@import "other";', {
+    const result = compileString('@use "other";', {
       importers: [
         {
           canonicalize: () => new URL('u:other'),
@@ -413,7 +414,7 @@ describe('with syntax', () => {
   });
 
   it('css, allows plain CSS', () => {
-    const result = compileString('@import "other";', {
+    const result = compileString('@use "other";', {
       importers: [
         {
           canonicalize: () => new URL('u:other'),
@@ -427,7 +428,7 @@ describe('with syntax', () => {
 
   it('css, rejects SCSS', () => {
     expect(() => {
-      compileString('@import "other";', {
+      compileString('@use "other";', {
         importers: [
           {
             canonicalize: () => new URL('u:other'),
@@ -443,8 +444,8 @@ describe('with syntax', () => {
 });
 
 describe('async', () => {
-  it('resolves an @import', async () => {
-    const result = await compileStringAsync('@import "orange";', {
+  it('resolves a @use', async () => {
+    const result = await compileStringAsync('@use "orange";', {
       importers: [
         {
           canonicalize: (url: string) => Promise.resolve(new URL(`u:${url}`)),
@@ -464,7 +465,7 @@ describe('async', () => {
 
   it('wraps an asynchronous error in canonicalize', async () => {
     await expectAsync(() =>
-      compileStringAsync('@import "orange";', {
+      compileStringAsync('@use "orange";', {
         importers: [
           {
             canonicalize: () => Promise.reject('this import is bad actually'),
@@ -479,7 +480,7 @@ describe('async', () => {
 
   it('wraps a synchronous error in canonicalize', async () => {
     await expectAsync(() =>
-      compileStringAsync('@import "orange";', {
+      compileStringAsync('@use "orange";', {
         importers: [
           {
             canonicalize() {
@@ -496,7 +497,7 @@ describe('async', () => {
 
   it('wraps an asynchronous error in load', async () => {
     await expectAsync(() =>
-      compileStringAsync('@import "orange";', {
+      compileStringAsync('@use "orange";', {
         importers: [
           {
             canonicalize: (url: string) => new URL(`u:${url}`),
@@ -509,7 +510,7 @@ describe('async', () => {
 
   it('wraps a synchronous error in load', async () => {
     await expectAsync(() =>
-      compileStringAsync('@import "orange";', {
+      compileStringAsync('@use "orange";', {
         importers: [
           {
             canonicalize: (url: string) => new URL(`u:${url}`),
@@ -525,7 +526,7 @@ describe('async', () => {
 
 describe("compileString()'s importer option", () => {
   it('loads relative imports from the entrypoint', () => {
-    const result = compileString('@import "orange";', {
+    const result = compileString('@use "orange";', {
       importer: {
         canonicalize: (url: string) => {
           expect(url).toBe('u:orange');
@@ -543,7 +544,7 @@ describe("compileString()'s importer option", () => {
   });
 
   it("loads imports relative to the entrypoint's URL", () => {
-    const result = compileString('@import "baz/qux";', {
+    const result = compileString('@use "baz/qux";', {
       importer: {
         canonicalize: (url: string) => {
           expect(url).toBe('u:foo/baz/qux');
@@ -561,7 +562,7 @@ describe("compileString()'s importer option", () => {
   });
 
   it('loads relative imports without an entrypoint URL', () => {
-    const result = compileString('@import "orange";', {
+    const result = compileString('@use "orange";', {
       importer: {
         canonicalize: (url: string) => {
           expect(url).toBe('orange');
@@ -578,7 +579,7 @@ describe("compileString()'s importer option", () => {
   });
 
   it('takes precedence over the importer list for relative URLs', () => {
-    const result = compileString('@import "other";', {
+    const result = compileString('@use "other";', {
       importers: [
         {
           canonicalize() {
@@ -599,7 +600,7 @@ describe("compileString()'s importer option", () => {
   });
 
   it("doesn't load absolute imports", () => {
-    const result = compileString('@import "u:orange";', {
+    const result = compileString('@use "u:orange";', {
       importer: {
         canonicalize: () => {
           throw 'Should not be called';
@@ -627,7 +628,7 @@ describe("compileString()'s importer option", () => {
   });
 
   it("doesn't load from other importers", () => {
-    const result = compileString('@import "u:midstream";', {
+    const result = compileString('@use "u:midstream";', {
       importer: {
         canonicalize: () => {
           throw 'Should not be called';
@@ -641,7 +642,7 @@ describe("compileString()'s importer option", () => {
           canonicalize: (url: string) => new URL(url),
           load: (url: typeof URL) => {
             if (url.pathname === 'midstream') {
-              return {contents: "@import 'orange';", syntax: 'scss'};
+              return {contents: "@use 'orange';", syntax: 'scss'};
             } else {
               const color = url.pathname;
               return {contents: `.${color} {color: ${color}}`, syntax: 'scss'};
@@ -660,7 +661,7 @@ describe("compileString()'s importer option", () => {
     // "first:other" import is resolved it should be passed to the first
     // importer first despite being in the second importer's file.
     let secondCalled = false;
-    const result = compileString('@import "second:other";', {
+    const result = compileString('@use "second:other";', {
       importers: [
         {
           canonicalize: (url: string) =>
@@ -678,7 +679,7 @@ describe("compileString()'s importer option", () => {
             secondCalled = true;
             return url.startsWith('second:') ? new URL(url) : null;
           },
-          load: () => ({contents: '@import "first:other";', syntax: 'scss'}),
+          load: () => ({contents: '@use "first:other";', syntax: 'scss'}),
         },
       ],
     });
@@ -689,7 +690,11 @@ describe("compileString()'s importer option", () => {
 
 describe('fromImport is', () => {
   it('true from an @import', () => {
-    compileString('@import "foo"', {importers: [expectFromImport(true)]});
+    compileString('@import "foo"', {
+      importers: [expectFromImport(true)],
+      // TODO(jathak): Add this once import deprecation is active
+      // silenceDeprecations: ['import'],
+    });
   });
 
   it('false from a @use', () => {
@@ -710,7 +715,7 @@ describe('fromImport is', () => {
 describe('when importer does not return string contents', () => {
   it('throws an error in sync mode', () => {
     expect(() => {
-      compileString('@import "other";', {
+      compileString('@use "other";', {
         importers: [
           {
             canonicalize: (url: string) => new URL(`u:${url}`),
@@ -735,7 +740,7 @@ describe('when importer does not return string contents', () => {
 
   it('throws an error in async mode', async () => {
     await expectAsync(async () => {
-      await compileStringAsync('@import "other";', {
+      await compileStringAsync('@use "other";', {
         importers: [
           {
             canonicalize: (url: string) => new URL(`u:${url}`),
@@ -761,7 +766,7 @@ describe('when importer does not return string contents', () => {
 
 it('throws an ArgumentError when the result sourceMapUrl is missing a scheme', () => {
   expect(() => {
-    compileString('@import "other";', {
+    compileString('@use "other";', {
       importers: [
         {
           canonicalize: (url: string) => new URL(`u:${url}`),
diff --git a/js-api-spec/legacy/importer.node.test.ts b/js-api-spec/legacy/importer.node.test.ts
index 43f567fc24..a627285f00 100644
--- a/js-api-spec/legacy/importer.node.test.ts
+++ b/js-api-spec/legacy/importer.node.test.ts
@@ -13,10 +13,10 @@ it('imports cascade through importers', () =>
   expect(
     sass
       .renderSync({
-        data: "@import 'foo'",
+        data: "@use 'foo'",
         importer: [
-          (url: string) => (url === 'foo' ? {contents: '@import "bar"'} : null),
-          (url: string) => (url === 'bar' ? {contents: '@import "baz"'} : null),
+          (url: string) => (url === 'foo' ? {contents: '@use "bar"'} : null),
+          (url: string) => (url === 'bar' ? {contents: '@use "baz"'} : null),
           (url: string) => (url === 'baz' ? {contents: 'a {b: c}'} : null),
         ],
       })
@@ -27,7 +27,7 @@ it('an empty object means an empty file', () =>
   expect(
     sass
       .renderSync({
-        data: "@import 'foo'",
+        data: "@use 'foo'",
         importer: () => ({} as sass.LegacyImporterResult),
       })
       .css.toString()
@@ -39,7 +39,7 @@ describe('import precedence:', () => {
       sandbox(dir => {
         dir.write({
           'sub/test.scss': 'a {from: relative}',
-          'sub/base.scss': '@import "test"',
+          'sub/base.scss': '@use "test"',
         });
 
         dir.chdir(() =>
@@ -62,7 +62,7 @@ describe('import precedence:', () => {
           expect(
             sass
               .renderSync({
-                data: '@import "test"',
+                data: '@use "test"',
                 importer: () => ({contents: 'a {from: importer}'}),
               })
               .css.toString()
@@ -81,7 +81,7 @@ describe('import precedence:', () => {
           expect(
             sass
               .renderSync({
-                data: '@import "test"',
+                data: '@use "test"',
                 includePaths: [dir('sub')],
               })
               .css.toString()
@@ -94,7 +94,7 @@ describe('import precedence:', () => {
       sandbox(dir => {
         dir.write({
           'sub/test.scss': 'a {from: cwd}',
-          'sub/base.scss': '@import "sub/test"',
+          'sub/base.scss': '@use "sub/test"',
         });
 
         dir.chdir(() =>
@@ -118,7 +118,7 @@ describe('import precedence:', () => {
         expect(
           sass
             .renderSync({
-              data: '@import "test"',
+              data: '@use "test"',
               includePaths: [dir.root],
               importer: [],
             })
@@ -133,7 +133,7 @@ describe('with contents', () => {
     expect(
       sass
         .renderSync({
-          data: '@import "foo"',
+          data: '@use "foo"',
           importer: () => ({contents: 'a {b: c}'}),
         })
         .css.toString()
@@ -146,7 +146,7 @@ describe('with contents', () => {
       expect(
         sass
           .renderSync({
-            data: '@import "test"',
+            data: '@use "test"',
             importer: () => ({
               contents: 'a {from: contents}',
               file: dir('test.scss'),
@@ -159,7 +159,7 @@ describe('with contents', () => {
   it('contents use file name as canonical url', () =>
     expect(
       sass.renderSync({
-        data: '@import "foo"',
+        data: '@use "foo"',
         importer: () => ({
           contents: '',
           file: 'bar',
@@ -171,7 +171,7 @@ describe('with contents', () => {
   it('passes through an absolute file path', () =>
     expect(
       sass.renderSync({
-        data: '@import "foo"',
+        data: '@use "foo"',
         importer: () => ({
           contents: '',
           file: p.resolve('bar'),
@@ -192,9 +192,9 @@ describe('with contents', () => {
       });
 
       dir.write({
-        'main.scss': '@import "sub1/test"; @import "sub1/sub2/test"',
-        'sub1/test.scss': '@import "x"',
-        'sub1/sub2/test.scss': '@import "x"',
+        'main.scss': '@use "sub1/test"; @use "sub1/sub2/test" as test2',
+        'sub1/test.scss': '@use "x"',
+        'sub1/sub2/test.scss': '@use "x"',
       });
 
       expect(
@@ -218,7 +218,7 @@ describe('with a file redirect', () => {
       expect(
         sass
           .renderSync({
-            data: '@import "foo"',
+            data: '@use "foo"',
             importer: () => ({file: dir('test.scss')}),
           })
           .css.toString()
@@ -232,7 +232,7 @@ describe('with a file redirect', () => {
       expect(
         sass
           .renderSync({
-            data: '@import "foo"',
+            data: '@use "foo"',
             importer: () => ({file: dir('test.sass')}),
           })
           .css.toString()
@@ -247,7 +247,7 @@ describe('with a file redirect', () => {
       expect(
         sass
           .renderSync({
-            data: '@import "foo"',
+            data: '@use "foo"',
             importer: () => ({file: dir('test.css')}),
           })
           .css.toString()
@@ -261,7 +261,7 @@ describe('with a file redirect', () => {
       expect(
         sass
           .renderSync({
-            data: '@import "foo"',
+            data: '@use "foo"',
             importer: () => ({file: dir('target.scss')}),
           })
           .css.toString()
@@ -309,7 +309,7 @@ describe('with a file redirect', () => {
       expect(
         sass
           .renderSync({
-            data: '@import "foo"',
+            data: '@use "foo"',
             importer: () => ({file: dir('test')}),
           })
           .css.toString()
@@ -320,7 +320,7 @@ describe('with a file redirect', () => {
     sandbox(dir => {
       dir.write({
         '_other.scss': 'a {b: c}',
-        'test.scss': '@import "foo"',
+        'test.scss': '@use "foo"',
       });
 
       expect(
@@ -337,7 +337,7 @@ describe('with a file redirect', () => {
     sandbox(dir => {
       dir.write({
         '_other.scss': 'a {b: c}',
-        'test.scss': '@import "foo"',
+        'test.scss': '@use "foo"',
       });
 
       const result = sass.renderSync({
@@ -358,7 +358,7 @@ describe('with a file redirect', () => {
       expect(
         sass
           .renderSync({
-            data: '@import "foo"',
+            data: '@use "foo"',
             includePaths: [dir.root],
             importer: () => ({file: 'test.scss'}),
           })
@@ -369,7 +369,7 @@ describe('with a file redirect', () => {
   it('relative to the base file takes precedence over include paths', () =>
     sandbox(dir => {
       dir.write({
-        'test.scss': '@import "foo"',
+        'test.scss': '@use "foo"',
         '_other.scss': 'a {from: relative}',
         'sub/_other.scss': 'a {from: load path}',
       });
@@ -394,7 +394,7 @@ describe('with a file redirect', () => {
           expect(
             sass
               .renderSync({
-                data: '@import "foo"',
+                data: '@use "foo"',
                 importer: () => ({file: 'test.scss'}),
               })
               .css.toString()
@@ -406,7 +406,7 @@ describe('with a file redirect', () => {
       sandbox(dir => {
         dir.write({
           '_other.scss': 'a {from: cwd}',
-          'sub/test.scss': '@import "foo"',
+          'sub/test.scss': '@use "foo"',
           'sub/_other.scss': 'a {from: relative}',
         });
 
@@ -426,7 +426,7 @@ describe('with a file redirect', () => {
       sandbox(dir => {
         dir.write({
           '_other.scss': 'a {from: cwd}',
-          'test.scss': '@import "foo"',
+          'test.scss': '@use "foo"',
           'sub/_other.scss': 'a {from: load path}',
         });
 
@@ -452,7 +452,7 @@ describe('the imported URL', () => {
       return {contents: ''};
     });
 
-    sass.renderSync({data: '@import "foo"', importer});
+    sass.renderSync({data: '@use "foo"', importer});
     expect(importer).toHaveBeenCalled();
   });
 
@@ -471,18 +471,18 @@ describe('the imported URL', () => {
 
   it("isn't resolved relative to the current file", () => {
     const importer = spy((url: string) => {
-      if (url === 'foo/bar') return {contents: '@import "baz"'};
+      if (url === 'foo/bar') return {contents: '@use "baz"'};
       expect(url).toBe('baz');
       return {contents: ''};
     });
 
-    sass.renderSync({data: '@import "foo/bar"', importer});
+    sass.renderSync({data: '@use "foo/bar"', importer});
     expect(importer).toHaveBeenCalledTimes(2);
   });
 
   it('is added to includedFiles', () => {
     const result = sass.renderSync({
-      data: '@import "foo"',
+      data: '@use "foo"',
       importer: () => ({contents: ''}),
     });
     expect(result.stats.includedFiles).toContain('foo');
@@ -495,7 +495,7 @@ describe('the imported URL', () => {
       return {contents: ''};
     });
 
-    sass.renderSync({data: '@import "/foo"', importer});
+    sass.renderSync({data: '@use "/foo"', importer});
     expect(importer).toHaveBeenCalled();
   });
 
@@ -506,7 +506,7 @@ describe('the imported URL', () => {
       return {contents: ''};
     });
 
-    sass.renderSync({data: '@import "/foo/bar/baz"', importer});
+    sass.renderSync({data: '@use "/foo/bar/baz"', importer});
     expect(importer).toHaveBeenCalled();
   });
 
@@ -524,7 +524,7 @@ describe('the imported URL', () => {
 describe('the previous URL', () => {
   it('is an absolute path for stylesheets from the filesystem', () =>
     sandbox(dir => {
-      dir.write({'test.scss': '@import "foo"'});
+      dir.write({'test.scss': '@use "foo"'});
 
       const importer = spy((url, prev) => {
         expect(prev).toBe(p.resolve(dir('test.scss')));
@@ -538,8 +538,8 @@ describe('the previous URL', () => {
   it('is an absolute path for stylesheets redirected to the filesystem', () =>
     sandbox(dir => {
       dir.write({
-        'test.scss': '@import "foo"',
-        '_other.scss': '@import "baz"',
+        'test.scss': '@use "foo"',
+        '_other.scss': '@use "baz"',
       });
 
       const importer = spy((url, prev) => {
@@ -559,13 +559,13 @@ describe('the previous URL', () => {
       return {contents: ''};
     });
 
-    sass.renderSync({data: '@import "foo"', importer});
+    sass.renderSync({data: '@use "foo"', importer});
     expect(importer).toHaveBeenCalled();
   });
 
   it('is the imported string for imports from importers', () => {
     const importer1 = spy((url: string) =>
-      url === 'foo' ? {contents: '@import "bar"'} : null
+      url === 'foo' ? {contents: '@use "bar"'} : null
     );
 
     const importer2 = spy((url, prev) => {
@@ -575,7 +575,7 @@ describe('the previous URL', () => {
     });
 
     sass.renderSync({
-      data: '@import "foo"',
+      data: '@use "foo"',
       importer: [importer1, importer2],
     });
     expect(importer1).toHaveBeenCalledTimes(2);
@@ -587,8 +587,8 @@ describe('the previous URL', () => {
     sandbox(dir => {
       dir.write({
         'test.scss': `
-          @import "relative";
-          @import "importer";
+          @use "relative";
+          @use "importer";
         `,
         '_relative.scss': 'a {b: relative}',
       });
@@ -619,25 +619,25 @@ describe('this', () => {
       return {contents: ''};
     });
 
-    sass.renderSync({data: '@import "foo"', importer});
+    sass.renderSync({data: '@use "foo"', importer});
     expect(importer).toHaveBeenCalled();
   });
 
   it('includes the data when rendering via data', () => {
     const importer = spy(function (this: sass.LegacyImporterThis) {
       const options = this.options;
-      expect(options.data).toBe('@import "foo"');
+      expect(options.data).toBe('@use "foo"');
       expect(options.file).toBeUndefined();
       return {contents: ''};
     });
 
-    sass.renderSync({data: '@import "foo"', importer});
+    sass.renderSync({data: '@use "foo"', importer});
     expect(importer).toHaveBeenCalled();
   });
 
   it('includes the filename when rendering via file', () =>
     sandbox(dir => {
-      dir.write({'test.scss': '@import "foo"'});
+      dir.write({'test.scss': '@use "foo"'});
 
       const importer = spy(function (this: sass.LegacyImporterThis) {
         const options = this.options;
@@ -666,7 +666,7 @@ describe('this', () => {
       });
 
       sass.renderSync({
-        data: '@import "foo"',
+        data: '@use "foo"',
         includePaths: [dir.root],
         importer,
       });
@@ -681,7 +681,7 @@ describe('this', () => {
           return {contents: ''};
         });
 
-        sass.renderSync({data: '@import "foo"', indentWidth: 5, importer});
+        sass.renderSync({data: '@use "foo"', indentWidth: 5, importer});
         expect(importer).toHaveBeenCalled();
       });
 
@@ -691,7 +691,7 @@ describe('this', () => {
           return {contents: ''};
         });
 
-        sass.renderSync({data: '@import "foo"', indentType: 'tab', importer});
+        sass.renderSync({data: '@use "foo"', indentType: 'tab', importer});
         expect(importer).toHaveBeenCalled();
       });
 
@@ -701,7 +701,7 @@ describe('this', () => {
           return {contents: ''};
         });
 
-        sass.renderSync({data: '@import "foo"', linefeed: 'cr', importer});
+        sass.renderSync({data: '@use "foo"', linefeed: 'cr', importer});
         expect(importer).toHaveBeenCalled();
       });
     });
@@ -713,7 +713,7 @@ describe('this', () => {
       return {contents: ''};
     });
 
-    sass.renderSync({data: '@import "foo"', importer});
+    sass.renderSync({data: '@use "foo"', importer});
     expect(importer).toHaveBeenCalled();
   });
 
@@ -727,7 +727,7 @@ describe('this', () => {
         return {contents: ''};
       });
 
-      sass.renderSync({data: '@import "foo"', importer});
+      sass.renderSync({data: '@use "foo"', importer});
       expect(importer).toHaveBeenCalled();
     });
 
@@ -737,13 +737,13 @@ describe('this', () => {
         return {contents: ''};
       });
 
-      sass.renderSync({data: '@import "foo"', importer});
+      sass.renderSync({data: '@use "foo"', importer});
       expect(importer).toHaveBeenCalled();
     });
 
     it('a file entry', () =>
       sandbox(dir => {
-        dir.write({'test.scss': '@import "foo"'});
+        dir.write({'test.scss': '@use "foo"'});
 
         const importer = spy(function (this: sass.LegacyImporterThis) {
           expect(this.options.result.stats.entry).toBe(dir('test.scss'));
@@ -805,7 +805,7 @@ describe('gracefully handles an error when', () => {
   it('an importer redirects to a non-existent file', () =>
     expect(() =>
       sass.renderSync({
-        data: '@import "foo"',
+        data: '@use "foo"',
         importer: () => ({file: '_does_not_exist'}),
       })
     ).toThrowLegacyException({line: 1}));
@@ -813,7 +813,7 @@ describe('gracefully handles an error when', () => {
   it('an error is returned', () =>
     expect(() =>
       sass.renderSync({
-        data: '@import "foo"',
+        data: '@use "foo"',
         importer: () => new Error('oh no'),
       })
     ).toThrowLegacyException({line: 1}));
@@ -823,7 +823,7 @@ describe('gracefully handles an error when', () => {
 
     expect(() =>
       sass.renderSync({
-        data: '@import "foo"',
+        data: '@use "foo"',
         importer: () => new MyError('oh no'),
       })
     ).toThrowLegacyException({line: 1});
@@ -832,7 +832,7 @@ describe('gracefully handles an error when', () => {
   it('null is returned', () =>
     expect(() =>
       sass.renderSync({
-        data: '@import "foo"',
+        data: '@use "foo"',
         importer: () => null,
       })
     ).toThrowLegacyException({line: 1}));
@@ -840,7 +840,7 @@ describe('gracefully handles an error when', () => {
   it('undefined is returned', () =>
     expect(() =>
       sass.renderSync({
-        data: '@import "foo"',
+        data: '@use "foo"',
         importer: () => undefined as unknown as sass.LegacyImporterResult,
       })
     ).toThrowLegacyException({line: 1}));
@@ -848,7 +848,7 @@ describe('gracefully handles an error when', () => {
   it('an unrecognized value is returned', () =>
     expect(() =>
       sass.renderSync({
-        data: '@import "foo"',
+        data: '@use "foo"',
         importer: () => 10 as unknown as sass.LegacyImporterResult,
       })
     ).toThrowLegacyException({line: 1}));
@@ -856,7 +856,7 @@ describe('gracefully handles an error when', () => {
   it('it occurs in a file with a custom URL scheme', () =>
     expect(() =>
       sass.renderSync({
-        data: '@import "foo:bar"',
+        data: '@use "foo:bar"',
         importer: () => ({contents: '@error "oh no"'}),
       })
     ).toThrowLegacyException({line: 1, file: 'foo:bar'}));
@@ -866,7 +866,7 @@ describe('render()', () => {
   it('supports asynchronous importers', done =>
     sass.render(
       {
-        data: '@import "foo"',
+        data: '@use "foo"',
         importer: ((
           _: string,
           __: string,
@@ -884,7 +884,7 @@ describe('render()', () => {
   it('supports asynchronous errors', done =>
     sass.render(
       {
-        data: '@import "foo"',
+        data: '@use "foo"',
         importer: ((
           _: string,
           __: string,
@@ -902,7 +902,7 @@ describe('render()', () => {
   it('supports synchronous importers', done =>
     sass.render(
       {
-        data: '@import "foo"',
+        data: '@use "foo"',
         importer: () => ({contents: 'a {b: c}'}),
       },
       (err?: sass.LegacyException, result?: sass.LegacyResult) => {
@@ -913,7 +913,7 @@ describe('render()', () => {
 
   it('supports synchronous null returns', done =>
     sass.render(
-      {data: '@import "foo"', importer: () => null},
+      {data: '@use "foo"', importer: () => null},
       (err?: sass.LegacyException) => {
         expect(typeof err).toBe('object');
         done();
@@ -925,7 +925,7 @@ describe('when importer returns non-string contents', () => {
   it('throws an error in sync mode', () => {
     expect(() => {
       sass.renderSync({
-        data: '@import "other";',
+        data: '@use "other";',
         importer() {
           return {
             // Need to force an invalid type to test bad-type handling.
@@ -944,7 +944,7 @@ describe('when importer returns non-string contents', () => {
   it('throws an error in async mode', done => {
     sass.render(
       {
-        data: '@import "other";',
+        data: '@use "other";',
         importer() {
           return {
             // Need to force an invalid type to test bad-type handling.
diff --git a/js-api-spec/legacy/render.node.test.ts b/js-api-spec/legacy/render.node.test.ts
index e0bf1dcadd..2a1cc99e2e 100644
--- a/js-api-spec/legacy/render.node.test.ts
+++ b/js-api-spec/legacy/render.node.test.ts
@@ -48,7 +48,7 @@ describe('renderSync()', () => {
         sandbox(dir => {
           dir.write({
             '_other.scss': 'a {b: c}',
-            'importer.scss': '@import "other";',
+            'importer.scss': '@use "other";',
           });
           expect(
             sass.renderSync({file: dir('importer.scss')}).css.toString()
@@ -60,7 +60,7 @@ describe('renderSync()', () => {
         sandbox(dir => {
           dir.write({
             '_other.scss': 'a {b: c}',
-            'subdir/importer.scss': '@import "../other";',
+            'subdir/importer.scss': '@use "../other";',
           });
           dir.chdir(() => {
             expect(
@@ -75,7 +75,7 @@ describe('renderSync()', () => {
             '_other.scss': 'a {b: c}',
             // Node Sass parses imports as paths, not as URLs, so the absolute
             // path should work here.
-            'importer.scss': `@import "${dir('_other.scss').replace(
+            'importer.scss': `@use "${dir('_other.scss').replace(
               /\\/g,
               '\\\\'
             )}";`,
@@ -125,7 +125,7 @@ describe('renderSync()', () => {
           dir.write({'test.scss': 'a {b: c}'});
           expect(
             sass
-              .renderSync({data: '@import "test"', includePaths: [dir.root]})
+              .renderSync({data: '@use "test"', includePaths: [dir.root]})
               .css.toString()
           ).toEqualIgnoringWhitespace('a { b: c; }');
         }));
@@ -140,7 +140,7 @@ describe('renderSync()', () => {
           withSassPath([dir('dir1'), dir('dir2')], () =>
             expect(
               sass
-                .renderSync({data: '@import "test1"; @import "test2"'})
+                .renderSync({data: '@use "test1"; @use "test2"'})
                 .css.toString()
             ).toEqualIgnoringWhitespace('a { b: c; } x { y: z; }')
           );
@@ -157,7 +157,7 @@ describe('renderSync()', () => {
             expect(
               sass
                 .renderSync({
-                  data: '@import "test"',
+                  data: '@use "test"',
                   includePaths: [dir('dir2')],
                 })
                 .css.toString()
@@ -169,14 +169,14 @@ describe('renderSync()', () => {
       it('a file imported through a relative load path supports relative imports', () =>
         sandbox(dir => {
           dir.write({
-            'sub/_midstream.scss': '@import "upstream"',
+            'sub/_midstream.scss': '@use "upstream"',
             'sub/_upstream.scss': 'a {b: c}',
           });
 
           expect(
             sass
               .renderSync({
-                data: '@import "sub/midstream"',
+                data: '@use "sub/midstream"',
                 includePaths: [p.relative(process.cwd(), dir.root)],
               })
               .css.toString()
@@ -210,7 +210,7 @@ describe('renderSync()', () => {
         dir.write({'_other.scss': 'a {b: c}'});
         expect(
           sass
-            .renderSync({file: dir('test.scss'), data: '@import "other"'})
+            .renderSync({file: dir('test.scss'), data: '@use "other"'})
             .css.toString()
         ).toEqualIgnoringWhitespace('a { b: c; }');
       }));
@@ -664,7 +664,7 @@ describe('the result object', () => {
       sandbox(dir => {
         dir.write({
           '_other.scss': 'a {b: c}',
-          'test.scss': '@import "other"',
+          'test.scss': '@use "other"',
         });
         expect(
           sass.renderSync({file: dir('test.scss')}).stats.includedFiles
@@ -675,7 +675,7 @@ describe('the result object', () => {
       sandbox(dir => {
         dir.write({
           '_other.scss': 'a {b: c}',
-          'test.scss': '@import "other"',
+          'test.scss': '@use "other"',
         });
         expect(
           sass
diff --git a/js-api-spec/legacy/source-map.node.test.ts b/js-api-spec/legacy/source-map.node.test.ts
index b8429a725e..31d0b80a4a 100644
--- a/js-api-spec/legacy/source-map.node.test.ts
+++ b/js-api-spec/legacy/source-map.node.test.ts
@@ -68,7 +68,7 @@ describe('the sources list', () => {
     sandbox(dir => {
       dir.write({
         'test.scss': `
-            @import "other";
+            @use "other";
             a {b: c}
           `,
         '_other.scss': 'x {y: z}',
@@ -86,7 +86,7 @@ describe('the sources list', () => {
     sandbox(dir => {
       dir.write({
         'test.scss': `
-            @import "other";
+            @use "other";
             a {b: c}
           `,
         'subdir/_other.scss': 'x {y: z}',
@@ -104,7 +104,7 @@ describe('the sources list', () => {
   it('contains a URL handled by an importer', () => {
     const map = renderSourceMap({
       data: `
-        @import "other";
+        @use "other";
         a {b: c}
       `,
       sourceMap: true,
@@ -119,7 +119,7 @@ describe('the sources list', () => {
     sandbox(dir => {
       dir.write({
         'test.scss': `
-            @import "other";
+            @use "other";
             a {b: c}
           `,
         'subdir/_other.scss': 'x {y: z}',
@@ -200,7 +200,7 @@ describe('with a string sourceMap and no outFile', () => {
     expect(
       renderSourceMap({
         data: `
-            @import "other";
+            @use "other";
             a {b: c}
           `,
         importer: () => ({contents: 'x {y: z}'}),
@@ -291,7 +291,7 @@ describe('with sourceMapContents', () => {
   it("includes an imported file's contents in the source map", () =>
     sandbox(dir => {
       const scss = `
-        @import "other";
+        @use "other";
         a {b: c}
       `;
       dir.write({'test.scss': scss, 'other.scss': 'x {y: z}'});

From f4fedcc0261a1b6a4bc5ddbfdfaea45b221c658d Mon Sep 17 00:00:00 2001
From: Jennifer Thakar <jathak@gmail.com>
Date: Fri, 19 Jul 2024 09:39:16 -0700
Subject: [PATCH 09/10] Fix typo in is-bracketed

---
 spec/core_functions/global/list.hrx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spec/core_functions/global/list.hrx b/spec/core_functions/global/list.hrx
index b654655ebd..6393e35e90 100644
--- a/spec/core_functions/global/list.hrx
+++ b/spec/core_functions/global/list.hrx
@@ -18,7 +18,7 @@ a {
 
 <===>
 ================================================================================
-<===> is_bracketed/input.scss
+<===> is-bracketed/input.scss
 a {b: is-bracketed(a b c)}
 
 <===> is-bracketed/output.css

From 56b4cfcd8992115fcf403d15e8238cda12925f86 Mon Sep 17 00:00:00 2001
From: Jennifer Thakar <jathak@gmail.com>
Date: Fri, 19 Jul 2024 09:49:03 -0700
Subject: [PATCH 10/10] Fix remaining failures

---
 js-api-spec/legacy/render.node.test.ts |   2 +-
 spec/libsass/bourbon.hrx               | 285 -------------------------
 2 files changed, 1 insertion(+), 286 deletions(-)

diff --git a/js-api-spec/legacy/render.node.test.ts b/js-api-spec/legacy/render.node.test.ts
index 2a1cc99e2e..0b96311a04 100644
--- a/js-api-spec/legacy/render.node.test.ts
+++ b/js-api-spec/legacy/render.node.test.ts
@@ -75,7 +75,7 @@ describe('renderSync()', () => {
             '_other.scss': 'a {b: c}',
             // Node Sass parses imports as paths, not as URLs, so the absolute
             // path should work here.
-            'importer.scss': `@use "${dir('_other.scss').replace(
+            'importer.scss': `@import "${dir('_other.scss').replace(
               /\\/g,
               '\\\\'
             )}";`,
diff --git a/spec/libsass/bourbon.hrx b/spec/libsass/bourbon.hrx
index 3b564ed606..a6562240b2 100644
--- a/spec/libsass/bourbon.hrx
+++ b/spec/libsass/bourbon.hrx
@@ -1934,288 +1934,3 @@ div {
   background-image: -webkit-url("/images/a.png")-gradient(center), -webkit-url("images/b.png")-gradient(left);
   background-image: url("/images/a.png")-gradient( center), url("images/b.png")-gradient( left);
 }
-
-<===> warning
-DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
-Use string.unquote instead.
-
-More info and automated migrator: https://sass-lang.com/d/import
-
-   ,
-25 |   $unquoted-inputs-list: append($unquoted-inputs-list, unquote($input-type), comma);
-   |                                                        ^^^^^^^^^^^^^^^^^^^^
-   '
-    lib/addons/_html5-input-types.scss 25:56  @import
-    lib/_bourbon.scss 50:9                    @import
-    input.scss 2:9                            root stylesheet
-
-DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
-Use list.append instead.
-
-More info and automated migrator: https://sass-lang.com/d/import
-
-   ,
-25 |   $unquoted-inputs-list: append($unquoted-inputs-list, unquote($input-type), comma);
-   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   '
-    lib/addons/_html5-input-types.scss 25:26  @import
-    lib/_bourbon.scss 50:9                    @import
-    input.scss 2:9                            root stylesheet
-
-DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
-Use list.append instead.
-
-More info and automated migrator: https://sass-lang.com/d/import
-
-   ,
-36 |       $all-text-inputs-hover: append($all-text-inputs-hover, $input-type-hover, comma);
-   |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   '
-    lib/addons/_html5-input-types.scss 36:31  @import
-    lib/_bourbon.scss 50:9                    @import
-    input.scss 2:9                            root stylesheet
-
-DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
-Use list.append instead.
-
-More info and automated migrator: https://sass-lang.com/d/import
-
-   ,
-44 |       $all-text-inputs-focus: append($all-text-inputs-focus, $input-type-focus, comma);
-   |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   '
-    lib/addons/_html5-input-types.scss 44:31  @import
-    lib/_bourbon.scss 50:9                    @import
-    input.scss 2:9                            root stylesheet
-
-DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
-Use list.length instead.
-
-More info and automated migrator: https://sass-lang.com/d/import
-
-   ,
-14 |   @for $i from 1 through length($images) {
-   |                          ^^^^^^^^^^^^^^^
-   '
-    lib/css3/_background-image.scss 14:26  -add-prefix()
-    lib/css3/_background-image.scss 7:21   background-image()
-    input.scss 19:3                        root stylesheet
-
-DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
-Use list.nth instead.
-
-More info and automated migrator: https://sass-lang.com/d/import
-
-   ,
-15 |     $type: type-of(nth($images, $i)); // Get type of variable - List or String
-   |                    ^^^^^^^^^^^^^^^^
-   '
-    lib/css3/_background-image.scss 15:20  -add-prefix()
-    lib/css3/_background-image.scss 7:21   background-image()
-    input.scss 19:3                        root stylesheet
-
-DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
-Use meta.type-of instead.
-
-More info and automated migrator: https://sass-lang.com/d/import
-
-   ,
-15 |     $type: type-of(nth($images, $i)); // Get type of variable - List or String
-   |            ^^^^^^^^^^^^^^^^^^^^^^^^^
-   '
-    lib/css3/_background-image.scss 15:12  -add-prefix()
-    lib/css3/_background-image.scss 7:21   background-image()
-    input.scss 19:3                        root stylesheet
-
-DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
-Use list.nth instead.
-
-More info and automated migrator: https://sass-lang.com/d/import
-
-   ,
-37 |       $images-prefixed: join($images-prefixed, nth($images, $i), comma);
-   |                                                ^^^^^^^^^^^^^^^^
-   '
-    lib/css3/_background-image.scss 37:48  -add-prefix()
-    lib/css3/_background-image.scss 7:21   background-image()
-    input.scss 19:3                        root stylesheet
-
-DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
-Use list.join instead.
-
-More info and automated migrator: https://sass-lang.com/d/import
-
-   ,
-37 |       $images-prefixed: join($images-prefixed, nth($images, $i), comma);
-   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   '
-    lib/css3/_background-image.scss 37:25  -add-prefix()
-    lib/css3/_background-image.scss 7:21   background-image()
-    input.scss 19:3                        root stylesheet
-
-DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
-Use list.nth instead.
-
-More info and automated migrator: https://sass-lang.com/d/import
-
-  ,
-3 |   $pos-type: type-of(nth($pos, 1));
-  |                      ^^^^^^^^^^^^
-  '
-    lib/functions/_linear-gradient.scss 3:22  linear-gradient()
-    input.scss 22:51                          root stylesheet
-
-DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
-Use meta.type-of instead.
-
-More info and automated migrator: https://sass-lang.com/d/import
-
-  ,
-3 |   $pos-type: type-of(nth($pos, 1));
-  |              ^^^^^^^^^^^^^^^^^^^^^
-  '
-    lib/functions/_linear-gradient.scss 3:14  linear-gradient()
-    input.scss 22:51                          root stylesheet
-
-DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
-Use list.zip instead.
-
-More info and automated migrator: https://sass-lang.com/d/import
-
-  ,
-7 |     $gradients: zip($pos $gradients);
-  |                 ^^^^^^^^^^^^^^^^^^^^
-  '
-    lib/functions/_linear-gradient.scss 7:17  linear-gradient()
-    input.scss 22:51                          root stylesheet
-
-DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
-Use list.nth instead.
-
-More info and automated migrator: https://sass-lang.com/d/import
-
-   ,
-19 |       $gradient-type: nth(nth($images, $i), 1); // linear or radial
-   |                           ^^^^^^^^^^^^^^^^
-   '
-    lib/css3/_background-image.scss 19:27  -add-prefix()
-    lib/css3/_background-image.scss 7:21   background-image()
-    input.scss 22:3                        root stylesheet
-
-DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
-Use list.nth instead.
-
-More info and automated migrator: https://sass-lang.com/d/import
-
-   ,
-19 |       $gradient-type: nth(nth($images, $i), 1); // linear or radial
-   |                       ^^^^^^^^^^^^^^^^^^^^^^^^
-   '
-    lib/css3/_background-image.scss 19:23  -add-prefix()
-    lib/css3/_background-image.scss 7:21   background-image()
-    input.scss 22:3                        root stylesheet
-
-DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
-Use list.nth instead.
-
-More info and automated migrator: https://sass-lang.com/d/import
-
-   ,
-24 |         $gradient-pos:  nth(nth($images, $i), 2); // Get gradient position
-   |                             ^^^^^^^^^^^^^^^^
-   '
-    lib/css3/_background-image.scss 24:29  -add-prefix()
-    lib/css3/_background-image.scss 7:21   background-image()
-    input.scss 22:3                        root stylesheet
-
-DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
-Use list.nth instead.
-
-More info and automated migrator: https://sass-lang.com/d/import
-
-   ,
-24 |         $gradient-pos:  nth(nth($images, $i), 2); // Get gradient position
-   |                         ^^^^^^^^^^^^^^^^^^^^^^^^
-   '
-    lib/css3/_background-image.scss 24:25  -add-prefix()
-    lib/css3/_background-image.scss 7:21   background-image()
-    input.scss 22:3                        root stylesheet
-
-DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
-Use list.nth instead.
-
-More info and automated migrator: https://sass-lang.com/d/import
-
-   ,
-25 |         $gradient-args: nth(nth($images, $i), 3); // Get actual gradient (red, blue)
-   |                             ^^^^^^^^^^^^^^^^
-   '
-    lib/css3/_background-image.scss 25:29  -add-prefix()
-    lib/css3/_background-image.scss 7:21   background-image()
-    input.scss 22:3                        root stylesheet
-
-DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
-Use list.nth instead.
-
-More info and automated migrator: https://sass-lang.com/d/import
-
-   ,
-25 |         $gradient-args: nth(nth($images, $i), 3); // Get actual gradient (red, blue)
-   |                         ^^^^^^^^^^^^^^^^^^^^^^^^
-   '
-    lib/css3/_background-image.scss 25:25  -add-prefix()
-    lib/css3/_background-image.scss 7:21   background-image()
-    input.scss 22:3                        root stylesheet
-
-DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
-Use list.append instead.
-
-More info and automated migrator: https://sass-lang.com/d/import
-
-   ,
-33 |       $images-prefixed: append($images-prefixed, $gradient, comma);
-   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   '
-    lib/css3/_background-image.scss 33:25  -add-prefix()
-    lib/css3/_background-image.scss 7:21   background-image()
-    input.scss 22:3                        root stylesheet
-
-DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
-Use string.unquote instead.
-
-More info and automated migrator: https://sass-lang.com/d/import
-
-   ,
-23 |     $vendor-gradients: unquote($vendor-gradients);
-   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^
-   '
-    lib/helpers/_render-gradients.scss 23:24  -render-gradients()
-    lib/css3/_background-image.scss 32:18     -add-prefix()
-    lib/css3/_background-image.scss 8:21      background-image()
-    input.scss 22:3                           root stylesheet
-
-DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
-Use list.nth instead.
-
-More info and automated migrator: https://sass-lang.com/d/import
-
-   ,
-28 |         $gradient-args: nth(nth($images, $i), 2); // Get actual gradient (red, blue)
-   |                             ^^^^^^^^^^^^^^^^
-   '
-    lib/css3/_background-image.scss 28:29  -add-prefix()
-    lib/css3/_background-image.scss 7:21   background-image()
-    input.scss 29:3                        root stylesheet
-
-DEPRECATION WARNING: Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.
-Use list.nth instead.
-
-More info and automated migrator: https://sass-lang.com/d/import
-
-   ,
-28 |         $gradient-args: nth(nth($images, $i), 2); // Get actual gradient (red, blue)
-   |                         ^^^^^^^^^^^^^^^^^^^^^^^^
-   '
-    lib/css3/_background-image.scss 28:25  -add-prefix()
-    lib/css3/_background-image.scss 7:21   background-image()
-    input.scss 29:3                        root stylesheet