diff --git a/Cargo.lock b/Cargo.lock
index 72dc48380e3ea..ef958542275e1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -321,7 +321,7 @@ dependencies = [
 [[package]]
 name = "auto-hash-map"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "serde",
  "smallvec",
@@ -3092,7 +3092,7 @@ dependencies = [
 [[package]]
 name = "node-file-trace"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "serde",
@@ -6965,10 +6965,15 @@ dependencies = [
  "utf-8",
 ]
 
+[[package]]
+name = "turbo-prehash"
+version = "0.1.0"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
+
 [[package]]
 name = "turbo-tasks"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -7000,7 +7005,7 @@ dependencies = [
 [[package]]
 name = "turbo-tasks-build"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "cargo-lock",
@@ -7012,7 +7017,7 @@ dependencies = [
 [[package]]
 name = "turbo-tasks-bytes"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "bytes",
@@ -7026,7 +7031,7 @@ dependencies = [
 [[package]]
 name = "turbo-tasks-env"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "dotenvs",
@@ -7040,7 +7045,7 @@ dependencies = [
 [[package]]
 name = "turbo-tasks-fetch"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "lazy_static",
@@ -7056,7 +7061,7 @@ dependencies = [
 [[package]]
 name = "turbo-tasks-fs"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "auto-hash-map",
@@ -7088,7 +7093,7 @@ dependencies = [
 [[package]]
 name = "turbo-tasks-hash"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "md4",
  "turbo-tasks-macros",
@@ -7098,7 +7103,7 @@ dependencies = [
 [[package]]
 name = "turbo-tasks-macros"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "proc-macro-error",
@@ -7112,7 +7117,7 @@ dependencies = [
 [[package]]
 name = "turbo-tasks-macros-shared"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -7122,7 +7127,7 @@ dependencies = [
 [[package]]
 name = "turbo-tasks-malloc"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "mimalloc",
 ]
@@ -7130,7 +7135,7 @@ dependencies = [
 [[package]]
 name = "turbo-tasks-memory"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "auto-hash-map",
@@ -7147,6 +7152,7 @@ dependencies = [
  "smallvec",
  "tokio",
  "tracing",
+ "turbo-prehash",
  "turbo-tasks",
  "turbo-tasks-build",
  "turbo-tasks-hash",
@@ -7156,7 +7162,7 @@ dependencies = [
 [[package]]
 name = "turbopack"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "async-recursion",
@@ -7186,7 +7192,7 @@ dependencies = [
 [[package]]
 name = "turbopack-binding"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "auto-hash-map",
  "mdxjs",
@@ -7227,7 +7233,7 @@ dependencies = [
 [[package]]
 name = "turbopack-browser"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "indexmap 1.9.3",
@@ -7250,7 +7256,7 @@ dependencies = [
 [[package]]
 name = "turbopack-cli-utils"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "clap",
@@ -7267,7 +7273,7 @@ dependencies = [
 [[package]]
 name = "turbopack-core"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "async-recursion",
@@ -7296,7 +7302,7 @@ dependencies = [
 [[package]]
 name = "turbopack-css"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "indexmap 1.9.3",
@@ -7323,7 +7329,7 @@ dependencies = [
 [[package]]
 name = "turbopack-dev-server"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "async-compression",
@@ -7359,7 +7365,7 @@ dependencies = [
 [[package]]
 name = "turbopack-ecmascript"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -7394,7 +7400,7 @@ dependencies = [
 [[package]]
 name = "turbopack-ecmascript-hmr-protocol"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "serde",
  "serde_json",
@@ -7405,7 +7411,7 @@ dependencies = [
 [[package]]
 name = "turbopack-ecmascript-plugins"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -7429,7 +7435,7 @@ dependencies = [
 [[package]]
 name = "turbopack-ecmascript-runtime"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "indoc",
@@ -7445,7 +7451,7 @@ dependencies = [
 [[package]]
 name = "turbopack-env"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "indexmap 1.9.3",
@@ -7461,7 +7467,7 @@ dependencies = [
 [[package]]
 name = "turbopack-image"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "base64 0.21.4",
@@ -7480,7 +7486,7 @@ dependencies = [
 [[package]]
 name = "turbopack-json"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "serde",
@@ -7495,7 +7501,7 @@ dependencies = [
 [[package]]
 name = "turbopack-mdx"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "mdxjs",
@@ -7510,7 +7516,7 @@ dependencies = [
 [[package]]
 name = "turbopack-node"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "async-stream",
@@ -7544,7 +7550,7 @@ dependencies = [
 [[package]]
 name = "turbopack-nodejs"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "indexmap 1.9.3",
@@ -7564,7 +7570,7 @@ dependencies = [
 [[package]]
 name = "turbopack-resolve"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "indexmap 1.9.3",
@@ -7582,7 +7588,7 @@ dependencies = [
 [[package]]
 name = "turbopack-static"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "serde",
@@ -7598,7 +7604,7 @@ dependencies = [
 [[package]]
 name = "turbopack-swc-utils"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "swc_core",
  "turbo-tasks",
@@ -7609,7 +7615,7 @@ dependencies = [
 [[package]]
 name = "turbopack-trace-server"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "either",
@@ -7629,7 +7635,7 @@ dependencies = [
 [[package]]
 name = "turbopack-trace-utils"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "crossbeam-channel",
@@ -7645,7 +7651,7 @@ dependencies = [
 [[package]]
 name = "turbopack-wasm"
 version = "0.1.0"
-source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240531.2#d4fd4fbbffc829fb78b8cc57f2bbd036b869a5a4"
+source = "git+https://github.com/vercel/turbo.git?tag=turbopack-240605.1#6c244029821ba4b5ffe9c8d407830ec0c91d519d"
 dependencies = [
  "anyhow",
  "indexmap 1.9.3",
diff --git a/Cargo.toml b/Cargo.toml
index 30564a30837aa..4c3d2769d8fa4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -37,11 +37,11 @@ swc_core = { version = "0.92.5", features = [
 testing = { version = "0.35.25" }
 
 # Turbo crates
-turbopack-binding = { git = "https://github.com/vercel/turbo.git", tag = "turbopack-240531.2" }
+turbopack-binding = { git = "https://github.com/vercel/turbo.git", tag = "turbopack-240605.1" }
 # [TODO]: need to refactor embed_directory! macro usages, as well as resolving turbo_tasks::function, macros..
-turbo-tasks = { git = "https://github.com/vercel/turbo.git", tag = "turbopack-240531.2" }
+turbo-tasks = { git = "https://github.com/vercel/turbo.git", tag = "turbopack-240605.1" }
 # [TODO]: need to refactor embed_directory! macro usage in next-core
-turbo-tasks-fs = { git = "https://github.com/vercel/turbo.git", tag = "turbopack-240531.2" }
+turbo-tasks-fs = { git = "https://github.com/vercel/turbo.git", tag = "turbopack-240605.1" }
 
 # General Deps
 
diff --git a/packages/next-swc/crates/napi/src/app_structure.rs b/packages/next-swc/crates/napi/src/app_structure.rs
index 9e8327d7637ba..d3548a589518b 100644
--- a/packages/next-swc/crates/napi/src/app_structure.rs
+++ b/packages/next-swc/crates/napi/src/app_structure.rs
@@ -12,7 +12,7 @@ use next_core::app_structure::{
     LoaderTree, MetadataItem, MetadataWithAltItem,
 };
 use serde::{Deserialize, Serialize};
-use turbo_tasks::{ReadRef, Vc};
+use turbo_tasks::{RcStr, ReadRef, Vc};
 use turbopack_binding::{
     turbo::{
         tasks::{
@@ -27,12 +27,8 @@ use turbopack_binding::{
 use crate::register;
 
 #[turbo_tasks::function]
-async fn project_fs(project_dir: String, watching: bool) -> Result<Vc<Box<dyn FileSystem>>> {
-    let disk_fs = DiskFileSystem::new(
-        PROJECT_FILESYSTEM_NAME.to_string(),
-        project_dir.to_string(),
-        vec![],
-    );
+async fn project_fs(project_dir: RcStr, watching: bool) -> Result<Vc<Box<dyn FileSystem>>> {
+    let disk_fs = DiskFileSystem::new(PROJECT_FILESYSTEM_NAME.into(), project_dir, vec![]);
     if watching {
         disk_fs.await?.start_watching_with_invalidation_reason()?;
     }
@@ -42,8 +38,8 @@ async fn project_fs(project_dir: String, watching: bool) -> Result<Vc<Box<dyn Fi
 #[turbo_tasks::value]
 #[serde(rename_all = "camelCase")]
 struct LoaderTreeForJs {
-    segment: String,
-    parallel_routes: IndexMap<String, ReadRef<LoaderTreeForJs>>,
+    segment: RcStr,
+    parallel_routes: IndexMap<RcStr, ReadRef<LoaderTreeForJs>>,
     #[turbo_tasks(trace_ignore)]
     components: ComponentsForJs,
     #[turbo_tasks(trace_ignore)]
@@ -57,13 +53,13 @@ enum EntrypointForJs {
         loader_tree: ReadRef<LoaderTreeForJs>,
     },
     AppRoute {
-        path: String,
+        path: RcStr,
     },
 }
 
 #[turbo_tasks::value(transparent)]
 #[serde(rename_all = "camelCase")]
-struct EntrypointsForJs(HashMap<String, EntrypointForJs>);
+struct EntrypointsForJs(HashMap<RcStr, EntrypointForJs>);
 
 #[turbo_tasks::value(transparent)]
 struct OptionEntrypointsForJs(Option<Vc<EntrypointsForJs>>);
@@ -71,14 +67,14 @@ struct OptionEntrypointsForJs(Option<Vc<EntrypointsForJs>>);
 async fn fs_path_to_path(
     project_path: Vc<FileSystemPath>,
     path: Vc<FileSystemPath>,
-) -> Result<String> {
+) -> Result<RcStr> {
     match project_path.await?.get_path_to(&*path.await?) {
         None => Err(anyhow!(
             "Path {} is not inside of the project path {}",
             path.to_string().await?,
             project_path.to_string().await?
         )),
-        Some(p) => Ok(p.to_string()),
+        Some(p) => Ok(p.into()),
     }
 }
 
@@ -86,21 +82,21 @@ async fn fs_path_to_path(
 #[serde(rename_all = "camelCase")]
 struct ComponentsForJs {
     #[serde(skip_serializing_if = "Option::is_none")]
-    page: Option<String>,
+    page: Option<RcStr>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    layout: Option<String>,
+    layout: Option<RcStr>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    error: Option<String>,
+    error: Option<RcStr>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    loading: Option<String>,
+    loading: Option<RcStr>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    template: Option<String>,
+    template: Option<RcStr>,
     #[serde(skip_serializing_if = "Option::is_none", rename = "not-found")]
-    not_found: Option<String>,
+    not_found: Option<RcStr>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    default: Option<String>,
+    default: Option<RcStr>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    route: Option<String>,
+    route: Option<RcStr>,
     metadata: MetadataForJs,
 }
 
@@ -134,19 +130,19 @@ struct GlobalMetadataForJs {
 #[serde(tag = "type", rename_all = "camelCase")]
 enum MetadataWithAltItemForJs {
     Static {
-        path: String,
-        alt_path: Option<String>,
+        path: RcStr,
+        alt_path: Option<RcStr>,
     },
     Dynamic {
-        path: String,
+        path: RcStr,
     },
 }
 
 #[derive(Deserialize, Serialize, PartialEq, Eq, ValueDebugFormat)]
 #[serde(tag = "type", rename_all = "camelCase")]
 enum MetadataItemForJs {
-    Static { path: String },
-    Dynamic { path: String },
+    Static { path: RcStr },
+    Dynamic { path: RcStr },
 }
 
 async fn prepare_components_for_js(
@@ -166,7 +162,7 @@ async fn prepare_components_for_js(
     } = &*components.await?;
     let mut result = ComponentsForJs::default();
     async fn add(
-        result: &mut Option<String>,
+        result: &mut Option<RcStr>,
         project_path: Vc<FileSystemPath>,
         value: &Option<Vc<FileSystemPath>>,
     ) -> Result<()> {
@@ -305,7 +301,7 @@ async fn prepare_entrypoints_for_js(
         .await?
         .iter()
         .map(|(key, value)| {
-            let key = key.to_string();
+            let key = key.to_string().into();
             async move {
                 let value = match *value {
                     Entrypoint::AppPage { loader_tree, .. } => EntrypointForJs::AppPage {
@@ -330,19 +326,19 @@ async fn prepare_entrypoints_for_js(
 
 #[turbo_tasks::function]
 async fn get_value(
-    root_dir: String,
-    project_dir: String,
-    page_extensions: Vec<String>,
+    root_dir: RcStr,
+    project_dir: RcStr,
+    page_extensions: Vec<RcStr>,
     watching: bool,
 ) -> Result<Vc<OptionEntrypointsForJs>> {
     let page_extensions = Vc::cell(page_extensions);
     let fs = project_fs(root_dir.clone(), watching);
-    let project_relative = project_dir.strip_prefix(&root_dir).unwrap();
+    let project_relative = project_dir.strip_prefix(&*root_dir).unwrap();
     let project_relative = project_relative
         .strip_prefix(MAIN_SEPARATOR)
         .unwrap_or(project_relative)
         .replace(MAIN_SEPARATOR, "/");
-    let project_path = fs.root().join(project_relative);
+    let project_path = fs.root().join(project_relative.into());
 
     let app_dir = find_app_dir(project_path);
 
@@ -373,8 +369,8 @@ pub fn stream_entrypoints(
             let value = serde_json::to_value(value)?;
             Ok(vec![value])
         })?;
-    let root_dir = Arc::new(root_dir);
-    let project_dir = Arc::new(project_dir);
+    let root_dir = RcStr::from(root_dir);
+    let project_dir = RcStr::from(project_dir);
     let page_extensions = Arc::new(page_extensions);
     turbo_tasks.spawn_root_task(move || {
         let func: ThreadsafeFunction<Option<ReadRef<EntrypointsForJs>>> = func.clone();
@@ -383,9 +379,9 @@ pub fn stream_entrypoints(
         let page_extensions: Arc<Vec<String>> = page_extensions.clone();
         Box::pin(async move {
             if let Some(entrypoints) = &*get_value(
-                (*root_dir).clone(),
-                (*project_dir).clone(),
-                page_extensions.iter().map(|s| s.to_string()).collect(),
+                root_dir.clone(),
+                project_dir.clone(),
+                page_extensions.iter().map(|s| s.as_str().into()).collect(),
                 true,
             )
             .await?
@@ -415,9 +411,9 @@ pub async fn get_entrypoints(
     let result = turbo_tasks
         .run_once(async move {
             let value = if let Some(entrypoints) = &*get_value(
-                root_dir,
-                project_dir,
-                page_extensions.iter().map(|s| s.to_string()).collect(),
+                root_dir.into(),
+                project_dir.into(),
+                page_extensions.iter().map(|s| s.as_str().into()).collect(),
                 false,
             )
             .await?
diff --git a/packages/next-swc/crates/napi/src/next_api/endpoint.rs b/packages/next-swc/crates/napi/src/next_api/endpoint.rs
index 17b8ca5e05a02..04b4a17c5337c 100644
--- a/packages/next-swc/crates/napi/src/next_api/endpoint.rs
+++ b/packages/next-swc/crates/napi/src/next_api/endpoint.rs
@@ -57,7 +57,7 @@ impl From<WrittenEndpoint> for NapiWrittenEndpoint {
             } => Self {
                 r#type: "nodejs".to_string(),
                 entry_path: Some(server_entry_path),
-                client_paths,
+                client_paths: client_paths.into_iter().map(From::from).collect(),
                 server_paths: server_paths.into_iter().map(From::from).collect(),
                 ..Default::default()
             },
@@ -66,7 +66,7 @@ impl From<WrittenEndpoint> for NapiWrittenEndpoint {
                 client_paths,
             } => Self {
                 r#type: "edge".to_string(),
-                client_paths,
+                client_paths: client_paths.into_iter().map(From::from).collect(),
                 server_paths: server_paths.into_iter().map(From::from).collect(),
                 ..Default::default()
             },
diff --git a/packages/next-swc/crates/napi/src/next_api/project.rs b/packages/next-swc/crates/napi/src/next_api/project.rs
index 49996a5124c1f..65a4d59d9602b 100644
--- a/packages/next-swc/crates/napi/src/next_api/project.rs
+++ b/packages/next-swc/crates/napi/src/next_api/project.rs
@@ -22,7 +22,7 @@ use rand::Rng;
 use tokio::{io::AsyncWriteExt, time::Instant};
 use tracing::Instrument;
 use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt, EnvFilter, Registry};
-use turbo_tasks::{Completion, ReadRef, TransientInstance, TurboTasks, UpdateInfo, Vc};
+use turbo_tasks::{Completion, RcStr, ReadRef, TransientInstance, TurboTasks, UpdateInfo, Vc};
 use turbopack_binding::{
     turbo::{
         tasks_fs::{DiskFileSystem, FileContent, FileSystem, FileSystemPath},
@@ -77,9 +77,9 @@ pub struct NapiDraftModeOptions {
 impl From<NapiDraftModeOptions> for DraftModeOptions {
     fn from(val: NapiDraftModeOptions) -> Self {
         DraftModeOptions {
-            preview_mode_id: val.preview_mode_id,
-            preview_mode_encryption_key: val.preview_mode_encryption_key,
-            preview_mode_signing_key: val.preview_mode_signing_key,
+            preview_mode_id: val.preview_mode_id.into(),
+            preview_mode_encryption_key: val.preview_mode_encryption_key.into(),
+            preview_mode_signing_key: val.preview_mode_signing_key.into(),
         }
     }
 }
@@ -186,20 +186,20 @@ pub struct NapiTurboEngineOptions {
 impl From<NapiProjectOptions> for ProjectOptions {
     fn from(val: NapiProjectOptions) -> Self {
         ProjectOptions {
-            root_path: val.root_path,
-            project_path: val.project_path,
+            root_path: val.root_path.into(),
+            project_path: val.project_path.into(),
             watch: val.watch,
-            next_config: val.next_config,
-            js_config: val.js_config,
+            next_config: val.next_config.into(),
+            js_config: val.js_config.into(),
             env: val
                 .env
                 .into_iter()
-                .map(|var| (var.name, var.value))
+                .map(|var| (var.name.into(), var.value.into()))
                 .collect(),
             define_env: val.define_env.into(),
             dev: val.dev,
-            encryption_key: val.encryption_key,
-            build_id: val.build_id,
+            encryption_key: val.encryption_key.into(),
+            build_id: val.build_id.into(),
             preview_props: val.preview_props.into(),
         }
     }
@@ -208,18 +208,20 @@ impl From<NapiProjectOptions> for ProjectOptions {
 impl From<NapiPartialProjectOptions> for PartialProjectOptions {
     fn from(val: NapiPartialProjectOptions) -> Self {
         PartialProjectOptions {
-            root_path: val.root_path,
-            project_path: val.project_path,
+            root_path: val.root_path.map(From::from),
+            project_path: val.project_path.map(From::from),
             watch: val.watch,
-            next_config: val.next_config,
-            js_config: val.js_config,
-            env: val
-                .env
-                .map(|env| env.into_iter().map(|var| (var.name, var.value)).collect()),
+            next_config: val.next_config.map(From::from),
+            js_config: val.js_config.map(From::from),
+            env: val.env.map(|env| {
+                env.into_iter()
+                    .map(|var| (var.name.into(), var.value.into()))
+                    .collect()
+            }),
             define_env: val.define_env.map(|env| env.into()),
             dev: val.dev,
-            encryption_key: val.encryption_key,
-            build_id: val.build_id,
+            encryption_key: val.encryption_key.map(From::from),
+            build_id: val.build_id.map(From::from),
             preview_props: val.preview_props.map(|props| props.into()),
         }
     }
@@ -231,17 +233,17 @@ impl From<NapiDefineEnv> for DefineEnv {
             client: val
                 .client
                 .into_iter()
-                .map(|var| (var.name, var.value))
+                .map(|var| (var.name.into(), var.value.into()))
                 .collect(),
             edge: val
                 .edge
                 .into_iter()
-                .map(|var| (var.name, var.value))
+                .map(|var| (var.name.into(), var.value.into()))
                 .collect(),
             nodejs: val
                 .nodejs
                 .into_iter()
-                .map(|var| (var.name, var.value))
+                .map(|var| (var.name.into(), var.value.into()))
                 .collect(),
         }
     }
@@ -357,10 +359,8 @@ pub async fn project_new(
 /// - https://github.com/oven-sh/bun/blob/06a9aa80c38b08b3148bfeabe560/src/install/install.zig#L3038
 #[tracing::instrument]
 async fn benchmark_file_io(directory: Vc<FileSystemPath>) -> Result<Vc<Completion>> {
-    let temp_path = directory.join(format!(
-        "tmp_file_io_benchmark_{:x}",
-        rand::random::<u128>()
-    ));
+    let temp_path =
+        directory.join(format!("tmp_file_io_benchmark_{:x}", rand::random::<u128>()).into());
 
     // try to get the real file path on disk so that we can use it with tokio
     let fs = Vc::try_resolve_downcast_type::<DiskFileSystem>(directory.fs())
@@ -624,7 +624,11 @@ pub fn project_entrypoints_subscribe(
                         .routes
                         .iter()
                         .map(|(pathname, route)| {
-                            NapiRoute::from_route(pathname.clone(), route.clone(), &turbo_tasks)
+                            NapiRoute::from_route(
+                                pathname.clone().into(),
+                                route.clone(),
+                                &turbo_tasks,
+                            )
                         })
                         .collect::<Vec<_>>(),
                     middleware: entrypoints
@@ -670,7 +674,7 @@ struct HmrUpdateWithIssues {
 #[turbo_tasks::function]
 async fn hmr_update(
     project: Vc<Project>,
-    identifier: String,
+    identifier: RcStr,
     state: Vc<VersionState>,
 ) -> Result<Vc<HmrUpdateWithIssues>> {
     let update_operation = project.hmr_update(identifier, state);
@@ -701,7 +705,7 @@ pub fn project_hmr_events(
             let outer_identifier = identifier.clone();
             let session = session.clone();
             move || {
-                let identifier = outer_identifier.clone();
+                let identifier: RcStr = outer_identifier.clone().into();
                 let session = session.clone();
                 async move {
                     let project = project.project().resolve().await?;
@@ -773,7 +777,7 @@ struct HmrIdentifiers {
 
 #[turbo_tasks::value(serialization = "none")]
 struct HmrIdentifiersWithIssues {
-    identifiers: ReadRef<Vec<String>>,
+    identifiers: ReadRef<Vec<RcStr>>,
     issues: Arc<Vec<ReadRef<PlainIssue>>>,
     diagnostics: Arc<Vec<ReadRef<PlainDiagnostic>>>,
 }
@@ -967,7 +971,9 @@ pub async fn project_trace_source(
                         (
                             path,
                             match module {
-                                Some(module) => Some(urlencoding::decode(&module.1)?.into_owned()),
+                                Some(module) => {
+                                    Some(urlencoding::decode(&module.1)?.into_owned().into())
+                                }
                                 None => None,
                             },
                         )
@@ -992,13 +998,13 @@ pub async fn project_trace_source(
                 .container
                 .project()
                 .node_root()
-                .join(chunk_base.to_owned());
+                .join(chunk_base.into());
 
             let client_path = project
                 .container
                 .project()
                 .client_relative_path()
-                .join(chunk_base.to_owned());
+                .join(chunk_base.into());
 
             let mut map_result = project
                 .container
@@ -1053,7 +1059,7 @@ pub async fn project_trace_source(
 
             Ok(Some(StackFrame {
                 file: source_file.to_string(),
-                method_name: name,
+                method_name: name.as_ref().map(ToString::to_string),
                 line,
                 column,
                 is_server: frame.is_server,
@@ -1079,7 +1085,7 @@ pub async fn project_get_source_for_asset(
                 .project_path()
                 .fs()
                 .root()
-                .join(file_path.to_string())
+                .join(file_path.clone().into())
                 .read()
                 .await?;
 
diff --git a/packages/next-swc/crates/napi/src/next_api/utils.rs b/packages/next-swc/crates/napi/src/next_api/utils.rs
index f46530ea9d450..c778cf4e4402d 100644
--- a/packages/next-swc/crates/napi/src/next_api/utils.rs
+++ b/packages/next-swc/crates/napi/src/next_api/utils.rs
@@ -120,12 +120,12 @@ impl From<&PlainIssue> for NapiIssue {
                 .as_ref()
                 .map(|styled| serde_json::to_value(StyledStringSerialize::from(styled)).unwrap()),
             stage: issue.stage.to_string(),
-            file_path: issue.file_path.clone(),
+            file_path: issue.file_path.to_string(),
             detail: issue
                 .detail
                 .as_ref()
                 .map(|styled| serde_json::to_value(StyledStringSerialize::from(styled)).unwrap()),
-            documentation_link: issue.documentation_link.clone(),
+            documentation_link: issue.documentation_link.to_string(),
             severity: issue.severity.as_str().to_string(),
             source: issue.source.as_deref().map(|source| source.into()),
             title: serde_json::to_value(StyledStringSerialize::from(&issue.title)).unwrap(),
@@ -255,9 +255,13 @@ pub struct NapiDiagnostic {
 impl NapiDiagnostic {
     pub fn from(diagnostic: &PlainDiagnostic) -> Self {
         Self {
-            category: diagnostic.category.clone(),
-            name: diagnostic.name.clone(),
-            payload: diagnostic.payload.clone(),
+            category: diagnostic.category.to_string(),
+            name: diagnostic.name.to_string(),
+            payload: diagnostic
+                .payload
+                .iter()
+                .map(|(k, v)| (k.to_string(), v.to_string()))
+                .collect(),
         }
     }
 }
diff --git a/packages/next-swc/crates/napi/src/turbopack.rs b/packages/next-swc/crates/napi/src/turbopack.rs
index 025026e5dfcfb..565ec53a29a6b 100644
--- a/packages/next-swc/crates/napi/src/turbopack.rs
+++ b/packages/next-swc/crates/napi/src/turbopack.rs
@@ -190,10 +190,21 @@ impl FromNapiValue for NapiRouteHas {
 impl From<NapiRouteHas> for RouteHas {
     fn from(val: NapiRouteHas) -> Self {
         match val {
-            NapiRouteHas::Header { key, value } => RouteHas::Header { key, value },
-            NapiRouteHas::Query { key, value } => RouteHas::Query { key, value },
-            NapiRouteHas::Cookie { key, value } => RouteHas::Cookie { key, value },
-            NapiRouteHas::Host { value } => RouteHas::Host { value },
+            NapiRouteHas::Header { key, value } => RouteHas::Header {
+                key: key.into(),
+                value: value.map(From::from),
+            },
+            NapiRouteHas::Query { key, value } => RouteHas::Query {
+                key: key.into(),
+                value: value.map(From::from),
+            },
+            NapiRouteHas::Cookie { key, value } => RouteHas::Cookie {
+                key: key.into(),
+                value: value.map(From::from),
+            },
+            NapiRouteHas::Host { value } => RouteHas::Host {
+                value: value.into(),
+            },
         }
     }
 }
diff --git a/packages/next-swc/crates/napi/src/turbotrace.rs b/packages/next-swc/crates/napi/src/turbotrace.rs
index 8afe5f6ee056c..6b50163ebb0ad 100644
--- a/packages/next-swc/crates/napi/src/turbotrace.rs
+++ b/packages/next-swc/crates/napi/src/turbotrace.rs
@@ -40,5 +40,5 @@ pub async fn run_turbo_tracing(
         }),
     )
     .await?;
-    Ok(files)
+    Ok(files.into_iter().map(|f| f.to_string()).collect())
 }
diff --git a/packages/next-swc/crates/next-api/src/app.rs b/packages/next-swc/crates/next-api/src/app.rs
index 44f72bdb99581..0e24456eb943c 100644
--- a/packages/next-swc/crates/next-api/src/app.rs
+++ b/packages/next-swc/crates/next-api/src/app.rs
@@ -36,7 +36,7 @@ use next_core::{
 };
 use serde::{Deserialize, Serialize};
 use tracing::Instrument;
-use turbo_tasks::{trace::TraceRawVcs, Completion, TryJoinIterExt, Value, Vc};
+use turbo_tasks::{trace::TraceRawVcs, Completion, RcStr, TryJoinIterExt, Value, Vc};
 use turbopack_binding::{
     turbo::{
         tasks_env::{CustomProcessEnv, ProcessEnv},
@@ -167,8 +167,8 @@ impl AppProject {
     }
 
     #[turbo_tasks::function]
-    fn client_transition_name(self: Vc<Self>) -> Vc<String> {
-        Vc::cell(ECMASCRIPT_CLIENT_TRANSITION_NAME.to_string())
+    fn client_transition_name(self: Vc<Self>) -> Vc<RcStr> {
+        Vc::cell(ECMASCRIPT_CLIENT_TRANSITION_NAME.into())
     }
 
     #[turbo_tasks::function]
@@ -275,23 +275,20 @@ impl AppProject {
     fn rsc_module_context(self: Vc<Self>) -> Vc<ModuleAssetContext> {
         let transitions = [
             (
-                ECMASCRIPT_CLIENT_TRANSITION_NAME.to_string(),
+                ECMASCRIPT_CLIENT_TRANSITION_NAME.into(),
                 Vc::upcast(NextEcmascriptClientReferenceTransition::new(
                     Vc::upcast(self.client_transition()),
                     self.ssr_transition(),
                 )),
             ),
             (
-                "next-dynamic".to_string(),
+                "next-dynamic".into(),
                 Vc::upcast(NextDynamicTransition::new(Vc::upcast(
                     self.client_transition(),
                 ))),
             ),
-            ("next-ssr".to_string(), Vc::upcast(self.ssr_transition())),
-            (
-                "next-shared".to_string(),
-                Vc::upcast(self.shared_transition()),
-            ),
+            ("next-ssr".into(), Vc::upcast(self.ssr_transition())),
+            ("next-shared".into(), Vc::upcast(self.shared_transition())),
         ]
         .into_iter()
         .collect();
@@ -300,7 +297,7 @@ impl AppProject {
             self.project().server_compile_time_info(),
             self.rsc_module_options_context(),
             self.rsc_resolve_options_context(),
-            Vc::cell("app-rsc".to_string()),
+            Vc::cell("app-rsc".into()),
         )
     }
 
@@ -308,24 +305,21 @@ impl AppProject {
     fn edge_rsc_module_context(self: Vc<Self>) -> Vc<ModuleAssetContext> {
         let transitions = [
             (
-                ECMASCRIPT_CLIENT_TRANSITION_NAME.to_string(),
+                ECMASCRIPT_CLIENT_TRANSITION_NAME.into(),
                 Vc::upcast(NextEcmascriptClientReferenceTransition::new(
                     Vc::upcast(self.client_transition()),
                     self.edge_ssr_transition(),
                 )),
             ),
             (
-                "next-dynamic".to_string(),
+                "next-dynamic".into(),
                 Vc::upcast(NextDynamicTransition::new(Vc::upcast(
                     self.client_transition(),
                 ))),
             ),
+            ("next-ssr".into(), Vc::upcast(self.edge_ssr_transition())),
             (
-                "next-ssr".to_string(),
-                Vc::upcast(self.edge_ssr_transition()),
-            ),
-            (
-                "next-shared".to_string(),
+                "next-shared".into(),
                 Vc::upcast(self.edge_shared_transition()),
             ),
         ]
@@ -336,7 +330,7 @@ impl AppProject {
             self.project().edge_compile_time_info(),
             self.edge_rsc_module_options_context(),
             self.edge_rsc_resolve_options_context(),
-            Vc::cell("app-edge-rsc".to_string()),
+            Vc::cell("app-edge-rsc".into()),
         )
     }
 
@@ -344,23 +338,20 @@ impl AppProject {
     fn route_module_context(self: Vc<Self>) -> Vc<ModuleAssetContext> {
         let transitions = [
             (
-                ECMASCRIPT_CLIENT_TRANSITION_NAME.to_string(),
+                ECMASCRIPT_CLIENT_TRANSITION_NAME.into(),
                 Vc::upcast(NextEcmascriptClientReferenceTransition::new(
                     Vc::upcast(self.client_transition()),
                     self.ssr_transition(),
                 )),
             ),
             (
-                "next-dynamic".to_string(),
+                "next-dynamic".into(),
                 Vc::upcast(NextDynamicTransition::new(Vc::upcast(
                     self.client_transition(),
                 ))),
             ),
-            ("next-ssr".to_string(), Vc::upcast(self.ssr_transition())),
-            (
-                "next-shared".to_string(),
-                Vc::upcast(self.shared_transition()),
-            ),
+            ("next-ssr".into(), Vc::upcast(self.ssr_transition())),
+            ("next-shared".into(), Vc::upcast(self.shared_transition())),
         ]
         .into_iter()
         .collect();
@@ -370,7 +361,7 @@ impl AppProject {
             self.project().server_compile_time_info(),
             self.route_module_options_context(),
             self.route_resolve_options_context(),
-            Vc::cell("app-route".to_string()),
+            Vc::cell("app-route".into()),
         )
     }
 
@@ -378,21 +369,21 @@ impl AppProject {
     fn edge_route_module_context(self: Vc<Self>) -> Vc<ModuleAssetContext> {
         let transitions = [
             (
-                ECMASCRIPT_CLIENT_TRANSITION_NAME.to_string(),
+                ECMASCRIPT_CLIENT_TRANSITION_NAME.into(),
                 Vc::upcast(NextEcmascriptClientReferenceTransition::new(
                     Vc::upcast(self.client_transition()),
                     self.edge_ssr_transition(),
                 )),
             ),
             (
-                "next-dynamic".to_string(),
+                "next-dynamic".into(),
                 Vc::upcast(NextDynamicTransition::new(Vc::upcast(
                     self.client_transition(),
                 ))),
             ),
-            ("next-ssr".to_string(), Vc::upcast(self.ssr_transition())),
+            ("next-ssr".into(), Vc::upcast(self.ssr_transition())),
             (
-                "next-shared".to_string(),
+                "next-shared".into(),
                 Vc::upcast(self.edge_shared_transition()),
             ),
         ]
@@ -403,7 +394,7 @@ impl AppProject {
             self.project().edge_compile_time_info(),
             self.edge_route_module_options_context(),
             self.edge_route_resolve_options_context(),
-            Vc::cell("app-edge-route".to_string()),
+            Vc::cell("app-edge-route".into()),
         )
     }
 
@@ -414,7 +405,7 @@ impl AppProject {
             self.project().client_compile_time_info(),
             self.client_module_options_context(),
             self.client_resolve_options_context(),
-            Vc::cell("app-client".to_string()),
+            Vc::cell("app-client".into()),
         )
     }
 
@@ -470,7 +461,7 @@ impl AppProject {
             self.project().server_compile_time_info(),
             self.ssr_module_options_context(),
             self.ssr_resolve_options_context(),
-            Vc::cell("app-ssr".to_string()),
+            Vc::cell("app-ssr".into()),
         )
     }
 
@@ -480,7 +471,7 @@ impl AppProject {
             self.project().server_compile_time_info(),
             self.ssr_module_options_context(),
             self.ssr_resolve_options_context(),
-            Vc::cell("app-shared".to_string()),
+            Vc::cell("app-shared".into()),
         )
     }
 
@@ -490,7 +481,7 @@ impl AppProject {
             self.project().edge_compile_time_info(),
             self.edge_ssr_module_options_context(),
             self.edge_ssr_resolve_options_context(),
-            Vc::cell("app-edge-ssr".to_string()),
+            Vc::cell("app-edge-ssr".into()),
         )
     }
 
@@ -500,7 +491,7 @@ impl AppProject {
             self.project().edge_compile_time_info(),
             self.edge_ssr_module_options_context(),
             self.edge_ssr_resolve_options_context(),
-            Vc::cell("app-edge-shared".to_string()),
+            Vc::cell("app-edge-shared".into()),
         )
     }
 
@@ -553,7 +544,7 @@ impl AppProject {
                 .iter()
                 .map(|(pathname, app_entrypoint)| async {
                     Ok((
-                        pathname.to_string(),
+                        pathname.to_string().into(),
                         app_entry_point_to_route(self, app_entrypoint.clone())
                             .await?
                             .clone_value(),
@@ -759,7 +750,7 @@ impl AppEndpoint {
         let client_relative_path = this.app_project.project().client_relative_path();
         let client_relative_path_ref = client_relative_path.await?;
 
-        let server_path = node_root.join("server".to_string());
+        let server_path = node_root.join("server".into());
 
         let mut server_assets = vec![];
         let mut client_assets = vec![];
@@ -781,7 +772,7 @@ impl AppEndpoint {
                 app_entry
                     .rsc_entry
                     .ident()
-                    .with_modifier(Vc::cell("client_shared_chunks".to_string())),
+                    .with_modifier(Vc::cell("client_shared_chunks".into())),
                 this.app_project.client_runtime_entries(),
                 client_chunking_context,
             )
@@ -794,7 +785,7 @@ impl AppEndpoint {
                 let chunk_path = chunk.ident().path().await?;
                 if chunk_path.extension_ref() == Some("js") {
                     if let Some(chunk_path) = client_relative_path_ref.get_path_to(&chunk_path) {
-                        client_shared_chunks_paths.push(chunk_path.to_string());
+                        client_shared_chunks_paths.push(chunk_path.into());
                     }
                 }
             }
@@ -878,7 +869,7 @@ impl AppEndpoint {
                     Ok(client_relative_path_ref
                         .get_path_to(path)
                         .context("asset path should be inside client root")?
-                        .to_string())
+                        .into())
                 })
                 .collect::<anyhow::Result<Vec<_>>>()?;
             entry_client_chunks_paths.extend(client_shared_chunks_paths.iter().cloned());
@@ -890,9 +881,9 @@ impl AppEndpoint {
             };
             let manifest_path_prefix = &app_entry.original_name;
             let app_build_manifest_output = Vc::upcast(VirtualOutputAsset::new(
-                node_root.join(format!(
-                    "server/app{manifest_path_prefix}/app-build-manifest.json",
-                )),
+                node_root.join(
+                    format!("server/app{manifest_path_prefix}/app-build-manifest.json",).into(),
+                ),
                 AssetContent::file(
                     File::from(serde_json::to_string_pretty(&app_build_manifest)?).into(),
                 ),
@@ -903,16 +894,16 @@ impl AppEndpoint {
             // load it as a RawModule.
             let next_package = get_next_package(this.app_project.project().project_path());
             let polyfill_source = FileSource::new(
-                next_package.join("dist/build/polyfills/polyfill-nomodule.js".to_string()),
+                next_package.join("dist/build/polyfills/polyfill-nomodule.js".into()),
             );
             let polyfill_output_path =
-                client_chunking_context.chunk_path(polyfill_source.ident(), ".js".to_string());
+                client_chunking_context.chunk_path(polyfill_source.ident(), ".js".into());
             let polyfill_output_asset =
                 RawOutput::new(polyfill_output_path, Vc::upcast(polyfill_source));
             let polyfill_client_path = client_relative_path_ref
                 .get_path_to(&*polyfill_output_path.await?)
                 .context("failed to resolve client-relative path to polyfill")?
-                .to_string();
+                .into();
             let polyfill_client_paths = vec![polyfill_client_path];
             client_assets.push(Vc::upcast(polyfill_output_asset));
 
@@ -922,9 +913,8 @@ impl AppEndpoint {
                 ..Default::default()
             };
             let build_manifest_output = Vc::upcast(VirtualOutputAsset::new(
-                node_root.join(format!(
-                    "server/app{manifest_path_prefix}/build-manifest.json",
-                )),
+                node_root
+                    .join(format!("server/app{manifest_path_prefix}/build-manifest.json",).into()),
                 AssetContent::file(
                     File::from(serde_json::to_string_pretty(&build_manifest)?).into(),
                 ),
@@ -973,17 +963,14 @@ impl AppEndpoint {
         fn create_app_paths_manifest(
             node_root: Vc<FileSystemPath>,
             original_name: &str,
-            filename: String,
+            filename: RcStr,
         ) -> Result<Vc<Box<dyn OutputAsset>>> {
             let manifest_path_prefix = original_name;
-            let path = node_root.join(format!(
-                "server/app{manifest_path_prefix}/app-paths-manifest.json",
-            ));
+            let path = node_root
+                .join(format!("server/app{manifest_path_prefix}/app-paths-manifest.json",).into());
             let app_paths_manifest = AppPathsManifest {
                 node_server_app_paths: PagesManifest {
-                    pages: [(original_name.to_string(), filename)]
-                        .into_iter()
-                        .collect(),
+                    pages: [(original_name.into(), filename)].into_iter().collect(),
                 },
                 ..Default::default()
             };
@@ -1057,11 +1044,11 @@ impl AppEndpoint {
                 //
                 // they are created in `setup-dev-bundler.ts`
                 let mut file_paths_from_root = vec![
-                    "server/server-reference-manifest.js".to_string(),
-                    "server/middleware-build-manifest.js".to_string(),
-                    "server/middleware-react-loadable-manifest.js".to_string(),
-                    "server/next-font-manifest.js".to_string(),
-                    "server/interception-route-rewrite-manifest.js".to_string(),
+                    "server/server-reference-manifest.js".into(),
+                    "server/middleware-build-manifest.js".into(),
+                    "server/middleware-react-loadable-manifest.js".into(),
+                    "server/next-font-manifest.js".into(),
+                    "server/interception-route-rewrite-manifest.js".into(),
                 ];
                 let mut wasm_paths_from_root = vec![];
 
@@ -1079,20 +1066,20 @@ impl AppEndpoint {
                 wasm_paths_from_root
                     .extend(get_wasm_paths_from_root(&node_root_value, &all_output_assets).await?);
 
-                let entry_file = "app-edge-has-no-entrypoint".to_string();
+                let entry_file = "app-edge-has-no-entrypoint".into();
 
                 // create middleware manifest
                 // TODO(alexkirsz) This should be shared with next build.
                 let named_regex = get_named_middleware_regex(&app_entry.pathname);
                 let matchers = MiddlewareMatcher {
-                    regexp: Some(named_regex),
+                    regexp: Some(named_regex.into()),
                     original_source: app_entry.pathname.clone(),
                     ..Default::default()
                 };
                 let edge_function_definition = EdgeFunctionDefinition {
                     files: file_paths_from_root,
                     wasm: wasm_paths_to_bindings(wasm_paths_from_root),
-                    name: app_entry.pathname.to_string(),
+                    name: app_entry.pathname.clone(),
                     page: app_entry.original_name.clone(),
                     regions: app_entry
                         .config
@@ -1113,9 +1100,10 @@ impl AppEndpoint {
                 };
                 let manifest_path_prefix = &app_entry.original_name;
                 let middleware_manifest_v2 = Vc::upcast(VirtualOutputAsset::new(
-                    node_root.join(format!(
-                        "server/app{manifest_path_prefix}/middleware-manifest.json",
-                    )),
+                    node_root.join(
+                        format!("server/app{manifest_path_prefix}/middleware-manifest.json",)
+                            .into(),
+                    ),
                     AssetContent::file(
                         FileContent::Content(File::from(serde_json::to_string_pretty(
                             &middleware_manifest_v2,
@@ -1145,10 +1133,13 @@ impl AppEndpoint {
                 let loadable_manifest_output = create_react_loadable_manifest(
                     dynamic_import_entries,
                     client_relative_path,
-                    node_root.join(format!(
-                        "server/app{}/react-loadable-manifest.json",
-                        &app_entry.original_name
-                    )),
+                    node_root.join(
+                        format!(
+                            "server/app{}/react-loadable-manifest.json",
+                            &app_entry.original_name
+                        )
+                        .into(),
+                    ),
                 );
                 server_assets.extend(loadable_manifest_output.await?.iter().copied());
 
@@ -1188,10 +1179,13 @@ impl AppEndpoint {
                 } = *{
                     let _span = tracing::trace_span!("server node entrypoint").entered();
                     chunking_context.entry_chunk_group(
-                        server_path.join(format!(
-                            "app{original_name}.js",
-                            original_name = app_entry.original_name
-                        )),
+                        server_path.join(
+                            format!(
+                                "app{original_name}.js",
+                                original_name = app_entry.original_name
+                            )
+                            .into(),
+                        ),
                         app_entry.rsc_entry,
                         Vc::cell(evaluatable_assets),
                         Value::new(AvailabilityInfo::Root),
@@ -1207,7 +1201,7 @@ impl AppEndpoint {
                         .await?
                         .get_path_to(&*rsc_chunk.ident().path().await?)
                         .context("RSC chunk path should be within app paths manifest directory")?
-                        .to_string(),
+                        .into(),
                 )?;
                 server_assets.push(app_paths_manifest_output);
 
@@ -1228,10 +1222,13 @@ impl AppEndpoint {
                 let loadable_manifest_output = create_react_loadable_manifest(
                     dynamic_import_entries,
                     client_relative_path,
-                    node_root.join(format!(
-                        "server/app{}/react-loadable-manifest.json",
-                        &app_entry.original_name
-                    )),
+                    node_root.join(
+                        format!(
+                            "server/app{}/react-loadable-manifest.json",
+                            &app_entry.original_name
+                        )
+                        .into(),
+                    ),
                 );
                 server_assets.extend(loadable_manifest_output.await?.iter().copied());
 
diff --git a/packages/next-swc/crates/next-api/src/dynamic_imports.rs b/packages/next-swc/crates/next-api/src/dynamic_imports.rs
index 7f53b28ddcffd..92b945a5a0f76 100644
--- a/packages/next-swc/crates/next-api/src/dynamic_imports.rs
+++ b/packages/next-swc/crates/next-api/src/dynamic_imports.rs
@@ -6,7 +6,7 @@ use indexmap::IndexMap;
 use tracing::Level;
 use turbo_tasks::{
     graph::{GraphTraversal, NonDeterministic, VisitControlFlow},
-    ReadRef, TryJoinIterExt, Value, ValueToString, Vc,
+    RcStr, ReadRef, TryJoinIterExt, Value, ValueToString, Vc,
 };
 use turbopack_binding::{
     swc::core::ecma::{
@@ -39,7 +39,7 @@ where
     F: FnMut(Vc<Box<dyn ChunkableModule>>) -> Fu,
     Fu: Future<Output = Result<Vc<OutputAssets>>> + Send,
 {
-    let mut chunks_hash: HashMap<String, Vc<OutputAssets>> = HashMap::new();
+    let mut chunks_hash: HashMap<RcStr, Vc<OutputAssets>> = HashMap::new();
     let mut dynamic_import_chunks = IndexMap::new();
 
     // Iterate over the collected import mappings, and create a chunk for each
@@ -62,7 +62,7 @@ where
                 // chunks in case if there are same modules being imported in differnt
                 // origins.
                 let chunk_group = build_chunk(module).await?;
-                chunks_hash.insert(imported_raw_str.to_string(), chunk_group);
+                chunks_hash.insert(imported_raw_str.clone(), chunk_group);
                 chunk_group
             };
 
@@ -178,22 +178,19 @@ pub(crate) async fn collect_next_dynamic_imports(
 
 struct NextDynamicVisit;
 
-impl turbo_tasks::graph::Visit<(Vc<Box<dyn Module>>, ReadRef<String>)> for NextDynamicVisit {
-    type Edge = (Vc<Box<dyn Module>>, ReadRef<String>);
+impl turbo_tasks::graph::Visit<(Vc<Box<dyn Module>>, ReadRef<RcStr>)> for NextDynamicVisit {
+    type Edge = (Vc<Box<dyn Module>>, ReadRef<RcStr>);
     type EdgesIntoIter = Vec<Self::Edge>;
     type EdgesFuture = impl Future<Output = Result<Self::EdgesIntoIter>>;
 
     fn visit(
         &mut self,
         edge: Self::Edge,
-    ) -> VisitControlFlow<(Vc<Box<dyn Module>>, ReadRef<String>)> {
+    ) -> VisitControlFlow<(Vc<Box<dyn Module>>, ReadRef<RcStr>)> {
         VisitControlFlow::Continue(edge)
     }
 
-    fn edges(
-        &mut self,
-        &(parent, _): &(Vc<Box<dyn Module>>, ReadRef<String>),
-    ) -> Self::EdgesFuture {
+    fn edges(&mut self, &(parent, _): &(Vc<Box<dyn Module>>, ReadRef<RcStr>)) -> Self::EdgesFuture {
         async move {
             primary_referenced_modules(parent)
                 .await?
@@ -204,7 +201,7 @@ impl turbo_tasks::graph::Visit<(Vc<Box<dyn Module>>, ReadRef<String>)> for NextD
         }
     }
 
-    fn span(&mut self, (_, name): &(Vc<Box<dyn Module>>, ReadRef<String>)) -> tracing::Span {
+    fn span(&mut self, (_, name): &(Vc<Box<dyn Module>>, ReadRef<RcStr>)) -> tracing::Span {
         tracing::span!(Level::INFO, "next/dynamic visit", name = display(name))
     }
 }
@@ -244,7 +241,7 @@ async fn build_dynamic_imports_map_for_module(
                 client_asset_context,
                 server_module.ident().path(),
             )),
-            Request::parse(Value::new(Pattern::Constant(import.to_string()))),
+            Request::parse(Value::new(Pattern::Constant(import.clone()))),
             Value::new(EcmaScriptModulesReferenceSubType::DynamicImport),
             IssueSeverity::Error.cell(),
             None,
@@ -264,7 +261,7 @@ async fn build_dynamic_imports_map_for_module(
 /// import wrapped with dynamic() via CollectImportSourceVisitor.
 struct DynamicImportVisitor {
     dynamic_ident: Option<Ident>,
-    pub import_sources: Vec<String>,
+    pub import_sources: Vec<RcStr>,
 }
 
 impl DynamicImportVisitor {
@@ -309,7 +306,7 @@ impl Visit for DynamicImportVisitor {
 
 /// A visitor to collect import source string from import('path/to/module')
 struct CollectImportSourceVisitor {
-    import_source: Option<String>,
+    import_source: Option<RcStr>,
 }
 
 impl CollectImportSourceVisitor {
@@ -329,7 +326,7 @@ impl Visit for CollectImportSourceVisitor {
         if let Callee::Import(_import) = call_expr.callee {
             if let Some(arg) = call_expr.args.first() {
                 if let Expr::Lit(Lit::Str(str_)) = &*arg.expr {
-                    self.import_source = Some(str_.value.to_string());
+                    self.import_source = Some(str_.value.as_str().into());
                 }
             }
         }
@@ -339,8 +336,8 @@ impl Visit for CollectImportSourceVisitor {
     }
 }
 
-pub type DynamicImportedModules = Vec<(String, Vc<Box<dyn Module>>)>;
-pub type DynamicImportedOutputAssets = Vec<(String, Vc<OutputAssets>)>;
+pub type DynamicImportedModules = Vec<(RcStr, Vc<Box<dyn Module>>)>;
+pub type DynamicImportedOutputAssets = Vec<(RcStr, Vc<OutputAssets>)>;
 
 /// A struct contains mapping for the dynamic imports to construct chunk per
 /// each individual module (Origin Module, Vec<(ImportSourceString, Module)>)
diff --git a/packages/next-swc/crates/next-api/src/entrypoints.rs b/packages/next-swc/crates/next-api/src/entrypoints.rs
index 578a3aba34695..21d69fa692d88 100644
--- a/packages/next-swc/crates/next-api/src/entrypoints.rs
+++ b/packages/next-swc/crates/next-api/src/entrypoints.rs
@@ -1,5 +1,5 @@
 use indexmap::IndexMap;
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 
 use crate::{
     project::{Instrumentation, Middleware},
@@ -8,7 +8,7 @@ use crate::{
 
 #[turbo_tasks::value(shared)]
 pub struct Entrypoints {
-    pub routes: IndexMap<String, Route>,
+    pub routes: IndexMap<RcStr, Route>,
     pub middleware: Option<Middleware>,
     pub instrumentation: Option<Instrumentation>,
     pub pages_document_endpoint: Vc<Box<dyn Endpoint>>,
diff --git a/packages/next-swc/crates/next-api/src/font.rs b/packages/next-swc/crates/next-api/src/font.rs
index d5fc52f994a6d..d29c9a840cbac 100644
--- a/packages/next-swc/crates/next-api/src/font.rs
+++ b/packages/next-swc/crates/next-api/src/font.rs
@@ -1,6 +1,6 @@
 use anyhow::Result;
 use next_core::{all_assets_from_entries, next_manifests::NextFontManifest};
-use turbo_tasks::{ValueToString, Vc};
+use turbo_tasks::{RcStr, ValueToString, Vc};
 use turbopack_binding::{
     turbo::tasks_fs::{File, FileSystemPath},
     turbopack::core::{
@@ -34,13 +34,9 @@ pub(crate) async fn create_font_manifest(
             .collect();
 
     let path = if app_dir {
-        node_root.join(format!(
-            "server/app{manifest_path_prefix}/next-font-manifest.json",
-        ))
+        node_root.join(format!("server/app{manifest_path_prefix}/next-font-manifest.json",).into())
     } else {
-        node_root.join(format!(
-            "server/pages{manifest_path_prefix}/next-font-manifest.json"
-        ))
+        node_root.join(format!("server/pages{manifest_path_prefix}/next-font-manifest.json").into())
     };
 
     let has_fonts = !font_paths.is_empty();
@@ -49,13 +45,14 @@ pub(crate) async fn create_font_manifest(
     let font_paths = font_paths
         .into_iter()
         .filter(|path| path.contains(".p."))
+        .map(RcStr::from)
         .collect::<Vec<_>>();
 
     let next_font_manifest = if !has_fonts {
         Default::default()
     } else if app_dir {
         let dir_str = dir.to_string().await?;
-        let page_path = format!("{}{}", dir_str, original_name);
+        let page_path = format!("{}{}", dir_str, original_name).into();
 
         NextFontManifest {
             app: [(page_path, font_paths)].into_iter().collect(),
@@ -64,7 +61,7 @@ pub(crate) async fn create_font_manifest(
         }
     } else {
         NextFontManifest {
-            pages: [(pathname.to_string(), font_paths)].into_iter().collect(),
+            pages: [(pathname.into(), font_paths)].into_iter().collect(),
             pages_using_size_adjust: using_size_adjust,
             ..Default::default()
         }
diff --git a/packages/next-swc/crates/next-api/src/instrumentation.rs b/packages/next-swc/crates/next-api/src/instrumentation.rs
index ce37fa9be9541..03ce17691e66c 100644
--- a/packages/next-swc/crates/next-api/src/instrumentation.rs
+++ b/packages/next-swc/crates/next-api/src/instrumentation.rs
@@ -73,7 +73,7 @@ impl InstrumentationEndpoint {
             self.context,
             self.project.project_path(),
             userland_module,
-            "instrumentation".to_string(),
+            "instrumentation".into(),
         );
 
         let mut evaluatable_assets = get_server_runtime_entries(
@@ -126,7 +126,7 @@ impl InstrumentationEndpoint {
             .entry_chunk_group(
                 self.project
                     .node_root()
-                    .join("server/instrumentation.js".to_string()),
+                    .join("server/instrumentation.js".into()),
                 module,
                 get_server_runtime_entries(
                     Value::new(ServerContextType::Instrumentation),
@@ -161,7 +161,7 @@ impl InstrumentationEndpoint {
             let instrumentation_definition = InstrumentationDefinition {
                 files: file_paths_from_root,
                 wasm: wasm_paths_to_bindings(wasm_paths_from_root),
-                name: "instrumentation".to_string(),
+                name: "instrumentation".into(),
                 ..Default::default()
             };
             let middleware_manifest_v2 = MiddlewaresManifestV2 {
@@ -169,7 +169,7 @@ impl InstrumentationEndpoint {
                 ..Default::default()
             };
             let middleware_manifest_v2 = Vc::upcast(VirtualOutputAsset::new(
-                node_root.join("server/instrumentation/middleware-manifest.json".to_string()),
+                node_root.join("server/instrumentation/middleware-manifest.json".into()),
                 AssetContent::file(
                     FileContent::Content(File::from(serde_json::to_string_pretty(
                         &middleware_manifest_v2,
diff --git a/packages/next-swc/crates/next-api/src/loadable_manifest.rs b/packages/next-swc/crates/next-api/src/loadable_manifest.rs
index b79a1ecaa0315..0c7705a7205dd 100644
--- a/packages/next-swc/crates/next-api/src/loadable_manifest.rs
+++ b/packages/next-swc/crates/next-api/src/loadable_manifest.rs
@@ -2,7 +2,7 @@ use std::collections::HashMap;
 
 use anyhow::Result;
 use next_core::next_manifests::LoadableManifest;
-use turbo_tasks::{TryFlatJoinIterExt, Vc};
+use turbo_tasks::{RcStr, TryFlatJoinIterExt, Vc};
 use turbopack_binding::{
     turbo::tasks_fs::{File, FileContent, FileSystemPath},
     turbopack::core::{
@@ -24,7 +24,7 @@ pub async fn create_react_loadable_manifest(
     let dynamic_import_entries = &*dynamic_import_entries.await?;
 
     let mut output = vec![];
-    let mut loadable_manifest: HashMap<String, LoadableManifest> = Default::default();
+    let mut loadable_manifest: HashMap<RcStr, LoadableManifest> = Default::default();
 
     for (origin, dynamic_imports) in dynamic_import_entries.into_iter() {
         let origin_path = &*origin.ident().path().await?;
@@ -33,7 +33,7 @@ pub async fn create_react_loadable_manifest(
             let chunk_output = chunk_output.await?;
             output.extend(chunk_output.iter().copied());
 
-            let id = format!("{} -> {}", origin_path, import);
+            let id: RcStr = format!("{} -> {}", origin_path, import).into();
 
             let client_relative_path_value = client_relative_path.await?;
             let files = chunk_output
@@ -43,7 +43,7 @@ pub async fn create_react_loadable_manifest(
                     async move {
                         Ok(client_relative_path_value
                             .get_path_to(&*file.ident().path().await?)
-                            .map(|path| path.to_string()))
+                            .map(|path| path.into()))
                     }
                 })
                 .try_flat_join()
diff --git a/packages/next-swc/crates/next-api/src/middleware.rs b/packages/next-swc/crates/next-api/src/middleware.rs
index f4f2f63c8ce21..d2df5a768cff3 100644
--- a/packages/next-swc/crates/next-api/src/middleware.rs
+++ b/packages/next-swc/crates/next-api/src/middleware.rs
@@ -75,7 +75,7 @@ impl MiddlewareEndpoint {
             self.context,
             self.project.project_path(),
             module,
-            "middleware".to_string(),
+            "middleware".into(),
         );
 
         let mut evaluatable_assets = get_server_runtime_entries(
@@ -140,7 +140,7 @@ impl MiddlewareEndpoint {
                 .iter()
                 .map(|matcher| match matcher {
                     MiddlewareMatcherKind::Str(matchers) => MiddlewareMatcher {
-                        original_source: matchers.to_string(),
+                        original_source: matchers.as_str().into(),
                         ..Default::default()
                     },
                     MiddlewareMatcherKind::Matcher(matcher) => matcher.clone(),
@@ -148,8 +148,8 @@ impl MiddlewareEndpoint {
                 .collect()
         } else {
             vec![MiddlewareMatcher {
-                regexp: Some("^/.*$".to_string()),
-                original_source: "/:path*".to_string(),
+                regexp: Some("^/.*$".into()),
+                original_source: "/:path*".into(),
                 ..Default::default()
             }]
         };
@@ -157,21 +157,21 @@ impl MiddlewareEndpoint {
         let edge_function_definition = EdgeFunctionDefinition {
             files: file_paths_from_root,
             wasm: wasm_paths_to_bindings(wasm_paths_from_root),
-            name: "middleware".to_string(),
-            page: "/".to_string(),
+            name: "middleware".into(),
+            page: "/".into(),
             regions: None,
             matchers,
             env: this.project.edge_env().await?.clone_value(),
             ..Default::default()
         };
         let middleware_manifest_v2 = MiddlewaresManifestV2 {
-            middleware: [("/".to_string(), edge_function_definition)]
+            middleware: [("/".into(), edge_function_definition)]
                 .into_iter()
                 .collect(),
             ..Default::default()
         };
         let middleware_manifest_v2 = Vc::upcast(VirtualOutputAsset::new(
-            node_root.join("server/middleware/middleware-manifest.json".to_string()),
+            node_root.join("server/middleware/middleware-manifest.json".into()),
             AssetContent::file(
                 FileContent::Content(File::from(serde_json::to_string_pretty(
                     &middleware_manifest_v2,
diff --git a/packages/next-swc/crates/next-api/src/pages.rs b/packages/next-swc/crates/next-api/src/pages.rs
index fc59ee4a3d158..d6b0c398732a2 100644
--- a/packages/next-swc/crates/next-api/src/pages.rs
+++ b/packages/next-swc/crates/next-api/src/pages.rs
@@ -27,7 +27,7 @@ use next_core::{
 };
 use serde::{Deserialize, Serialize};
 use tracing::Instrument;
-use turbo_tasks::{trace::TraceRawVcs, Completion, TaskInput, TryJoinIterExt, Value, Vc};
+use turbo_tasks::{trace::TraceRawVcs, Completion, RcStr, TaskInput, TryJoinIterExt, Value, Vc};
 use turbopack_binding::{
     turbo::tasks_fs::{
         File, FileContent, FileSystem, FileSystemPath, FileSystemPathOption, VirtualFileSystem,
@@ -104,27 +104,27 @@ impl PagesProject {
         let mut routes = IndexMap::new();
 
         async fn add_page_to_routes(
-            routes: &mut IndexMap<String, Route>,
+            routes: &mut IndexMap<RcStr, Route>,
             page: Vc<PagesStructureItem>,
-            make_route: impl Fn(Vc<String>, Vc<String>, Vc<FileSystemPath>) -> Route,
+            make_route: impl Fn(Vc<RcStr>, Vc<RcStr>, Vc<FileSystemPath>) -> Route,
         ) -> Result<()> {
             let PagesStructureItem {
                 next_router_path,
                 project_path,
                 original_path,
             } = *page.await?;
-            let pathname = format!("/{}", next_router_path.await?.path);
+            let pathname: RcStr = format!("/{}", next_router_path.await?.path).into();
             let pathname_vc = Vc::cell(pathname.clone());
-            let original_name = Vc::cell(format!("/{}", original_path.await?.path));
+            let original_name = Vc::cell(format!("/{}", original_path.await?.path).into());
             let route = make_route(pathname_vc, original_name, project_path);
             routes.insert(pathname, route);
             Ok(())
         }
 
         async fn add_dir_to_routes(
-            routes: &mut IndexMap<String, Route>,
+            routes: &mut IndexMap<RcStr, Route>,
             dir: Vc<PagesDirectoryStructure>,
-            make_route: impl Fn(Vc<String>, Vc<String>, Vc<FileSystemPath>) -> Route,
+            make_route: impl Fn(Vc<RcStr>, Vc<RcStr>, Vc<FileSystemPath>) -> Route,
         ) -> Result<()> {
             let mut queue = vec![dir];
             while let Some(dir) = queue.pop() {
@@ -201,9 +201,9 @@ impl PagesProject {
             project_path,
             original_path,
         } = *item.await?;
-        let pathname = format!("/{}", next_router_path.await?.path);
+        let pathname: RcStr = format!("/{}", next_router_path.await?.path).into();
         let pathname_vc = Vc::cell(pathname.clone());
-        let original_name = Vc::cell(format!("/{}", original_path.await?.path));
+        let original_name = Vc::cell(format!("/{}", original_path.await?.path).into());
         let path = project_path;
         let endpoint = Vc::upcast(PageEndpoint::new(
             ty,
@@ -255,7 +255,7 @@ impl PagesProject {
         Ok(if let Some(pages) = self.pages_structure().await?.pages {
             pages.project_path()
         } else {
-            self.project().project_path().join("pages".to_string())
+            self.project().project_path().join("pages".into())
         })
     }
 
@@ -263,7 +263,7 @@ impl PagesProject {
     fn transitions(self: Vc<Self>) -> Vc<TransitionsByName> {
         Vc::cell(
             [(
-                "next-dynamic".to_string(),
+                "next-dynamic".into(),
                 Vc::upcast(NextDynamicTransition::new(Vc::upcast(
                     self.client_transition(),
                 ))),
@@ -279,7 +279,7 @@ impl PagesProject {
             self.project().client_compile_time_info(),
             self.client_module_options_context(),
             self.client_resolve_options_context(),
-            Vc::cell("client".to_string()),
+            Vc::cell("client".into()),
         )
     }
 
@@ -317,7 +317,7 @@ impl PagesProject {
             self.project().client_compile_time_info(),
             self.client_module_options_context(),
             self.client_resolve_options_context(),
-            Vc::cell("client".to_string()),
+            Vc::cell("client".into()),
         ))
     }
 
@@ -328,7 +328,7 @@ impl PagesProject {
             self.project().server_compile_time_info(),
             self.ssr_module_options_context(),
             self.ssr_resolve_options_context(),
-            Vc::cell("ssr".to_string()),
+            Vc::cell("ssr".into()),
         )
     }
 
@@ -341,7 +341,7 @@ impl PagesProject {
             self.project().server_compile_time_info(),
             self.api_module_options_context(),
             self.ssr_resolve_options_context(),
-            Vc::cell("api".to_string()),
+            Vc::cell("api".into()),
         )
     }
 
@@ -352,7 +352,7 @@ impl PagesProject {
             self.project().server_compile_time_info(),
             self.ssr_data_module_options_context(),
             self.ssr_resolve_options_context(),
-            Vc::cell("ssr-data".to_string()),
+            Vc::cell("ssr-data".into()),
         )
     }
 
@@ -363,7 +363,7 @@ impl PagesProject {
             self.project().edge_compile_time_info(),
             self.edge_ssr_module_options_context(),
             self.edge_ssr_resolve_options_context(),
-            Vc::cell("edge-ssr".to_string()),
+            Vc::cell("edge-ssr".into()),
         )
     }
 
@@ -374,7 +374,7 @@ impl PagesProject {
             self.project().edge_compile_time_info(),
             self.edge_api_module_options_context(),
             self.edge_ssr_resolve_options_context(),
-            Vc::cell("edge-api".to_string()),
+            Vc::cell("edge-api".into()),
         )
     }
 
@@ -385,7 +385,7 @@ impl PagesProject {
             self.project().edge_compile_time_info(),
             self.edge_ssr_data_module_options_context(),
             self.edge_ssr_resolve_options_context(),
-            Vc::cell("edge-ssr-data".to_string()),
+            Vc::cell("edge-ssr-data".into()),
         )
     }
 
@@ -570,8 +570,8 @@ impl PagesProject {
 struct PageEndpoint {
     ty: PageEndpointType,
     pages_project: Vc<PagesProject>,
-    pathname: Vc<String>,
-    original_name: Vc<String>,
+    pathname: Vc<RcStr>,
+    original_name: Vc<RcStr>,
     path: Vc<FileSystemPath>,
     pages_structure: Vc<PagesStructure>,
 }
@@ -597,8 +597,8 @@ impl PageEndpoint {
     fn new(
         ty: PageEndpointType,
         pages_project: Vc<PagesProject>,
-        pathname: Vc<String>,
-        original_name: Vc<String>,
+        pathname: Vc<RcStr>,
+        original_name: Vc<RcStr>,
         path: Vc<FileSystemPath>,
         pages_structure: Vc<PagesStructure>,
     ) -> Vc<Self> {
@@ -640,17 +640,14 @@ impl PageEndpoint {
             let client_main_module = esm_resolve(
                 Vc::upcast(PlainResolveOrigin::new(
                     client_module_context,
-                    this.pages_project
-                        .project()
-                        .project_path()
-                        .join("_".to_string()),
+                    this.pages_project.project().project_path().join("_".into()),
                 )),
                 Request::parse(Value::new(Pattern::Constant(
                     match *this.pages_project.project().next_mode().await? {
                         NextMode::Development => "next/dist/client/next-dev-turbopack.js",
                         NextMode::Build => "next/dist/client/next-turbopack.js",
                     }
-                    .to_string(),
+                    .into(),
                 ))),
                 Value::new(EcmaScriptModulesReferenceSubType::Undefined),
                 IssueSeverity::Error.cell(),
@@ -798,7 +795,7 @@ impl PageEndpoint {
 
                 let asset_path = get_asset_path_from_pathname(pathname, ".js");
 
-                let ssr_entry_chunk_path_string = format!("pages{asset_path}");
+                let ssr_entry_chunk_path_string: RcStr = format!("pages{asset_path}").into();
                 let ssr_entry_chunk_path = node_path.join(ssr_entry_chunk_path_string);
                 let EntryChunkGroupResult {
                     asset: ssr_entry_chunk,
@@ -851,7 +848,7 @@ impl PageEndpoint {
             this.pages_project
                 .project()
                 .node_root()
-                .join("server".to_string()),
+                .join("server".into()),
             this.pages_project.project().project_path(),
             this.pages_project.ssr_module_context(),
             this.pages_project.edge_ssr_module_context(),
@@ -871,7 +868,7 @@ impl PageEndpoint {
             this.pages_project
                 .project()
                 .node_root()
-                .join("server/data".to_string()),
+                .join("server/data".into()),
             this.pages_project.project().project_path(),
             this.pages_project.ssr_data_module_context(),
             this.pages_project.edge_ssr_data_module_context(),
@@ -891,7 +888,7 @@ impl PageEndpoint {
             this.pages_project
                 .project()
                 .node_root()
-                .join("server".to_string()),
+                .join("server".into()),
             this.pages_project.project().project_path(),
             this.pages_project.api_module_context(),
             this.pages_project.edge_api_module_context(),
@@ -912,21 +909,20 @@ impl PageEndpoint {
         let chunk_path = entry_chunk.ident().path().await?;
 
         let asset_path = node_root
-            .join("server".to_string())
+            .join("server".into())
             .await?
             .get_path_to(&chunk_path)
             .context("ssr chunk entry path must be inside the node root")?;
 
         let pages_manifest = PagesManifest {
-            pages: [(this.pathname.await?.clone_value(), asset_path.to_string())]
+            pages: [(this.pathname.await?.clone_value(), asset_path.into())]
                 .into_iter()
                 .collect(),
         };
         let manifest_path_prefix = get_asset_prefix_from_pathname(&this.pathname.await?);
         Ok(Vc::upcast(VirtualOutputAsset::new(
-            node_root.join(format!(
-                "server/pages{manifest_path_prefix}/pages-manifest.json",
-            )),
+            node_root
+                .join(format!("server/pages{manifest_path_prefix}/pages-manifest.json",).into()),
             AssetContent::file(File::from(serde_json::to_string_pretty(&pages_manifest)?).into()),
         )))
     }
@@ -942,9 +938,9 @@ impl PageEndpoint {
         Ok(create_react_loadable_manifest(
             dynamic_import_entries,
             client_relative_path,
-            node_root.join(format!(
-                "server/pages{loadable_path_prefix}/react-loadable-manifest.json"
-            )),
+            node_root.join(
+                format!("server/pages{loadable_path_prefix}/react-loadable-manifest.json").into(),
+            ),
         ))
     }
 
@@ -971,7 +967,7 @@ impl PageEndpoint {
                             Ok(client_relative_path_ref
                                 .get_path_to(&chunk_path)
                                 .context("client chunk entry path must be inside the client root")?
-                                .to_string())
+                                .into())
                         }
                     })
                     .try_join()
@@ -983,9 +979,8 @@ impl PageEndpoint {
         };
         let manifest_path_prefix = get_asset_prefix_from_pathname(&this.pathname.await?);
         Ok(Vc::upcast(VirtualOutputAsset::new(
-            node_root.join(format!(
-                "server/pages{manifest_path_prefix}/build-manifest.json",
-            )),
+            node_root
+                .join(format!("server/pages{manifest_path_prefix}/build-manifest.json",).into()),
             AssetContent::file(File::from(serde_json::to_string_pretty(&build_manifest)?).into()),
         )))
     }
@@ -1070,10 +1065,10 @@ impl PageEndpoint {
                 //
                 // they are created in `setup-dev-bundler.ts`
                 let mut file_paths_from_root = vec![
-                    "server/server-reference-manifest.js".to_string(),
-                    "server/middleware-build-manifest.js".to_string(),
-                    "server/middleware-react-loadable-manifest.js".to_string(),
-                    "server/next-font-manifest.js".to_string(),
+                    "server/server-reference-manifest.js".into(),
+                    "server/middleware-build-manifest.js".into(),
+                    "server/middleware-react-loadable-manifest.js".into(),
+                    "server/next-font-manifest.js".into(),
                 ];
                 let mut wasm_paths_from_root = vec![];
 
@@ -1087,35 +1082,36 @@ impl PageEndpoint {
                 wasm_paths_from_root
                     .extend(get_wasm_paths_from_root(&node_root_value, &all_output_assets).await?);
 
-                let named_regex = get_named_middleware_regex(&pathname);
+                let named_regex = get_named_middleware_regex(&pathname).into();
                 let matchers = MiddlewareMatcher {
                     regexp: Some(named_regex),
-                    original_source: pathname.to_string(),
+                    original_source: pathname.clone_value(),
                     ..Default::default()
                 };
                 let original_name = this.original_name.await?;
                 let edge_function_definition = EdgeFunctionDefinition {
                     files: file_paths_from_root,
                     wasm: wasm_paths_to_bindings(wasm_paths_from_root),
-                    name: pathname.to_string(),
-                    page: original_name.to_string(),
+                    name: pathname.clone_value(),
+                    page: original_name.clone_value(),
                     regions: None,
                     matchers: vec![matchers],
                     env: this.pages_project.project().edge_env().await?.clone_value(),
                     ..Default::default()
                 };
                 let middleware_manifest_v2 = MiddlewaresManifestV2 {
-                    sorted_middleware: vec![pathname.to_string()],
-                    functions: [(pathname.to_string(), edge_function_definition)]
+                    sorted_middleware: vec![pathname.clone_value()],
+                    functions: [(pathname.clone_value(), edge_function_definition)]
                         .into_iter()
                         .collect(),
                     ..Default::default()
                 };
                 let manifest_path_prefix = get_asset_prefix_from_pathname(&this.pathname.await?);
                 let middleware_manifest_v2 = Vc::upcast(VirtualOutputAsset::new(
-                    node_root.join(format!(
-                        "server/pages{manifest_path_prefix}/middleware-manifest.json"
-                    )),
+                    node_root.join(
+                        format!("server/pages{manifest_path_prefix}/middleware-manifest.json")
+                            .into(),
+                    ),
                     AssetContent::file(
                         FileContent::Content(File::from(serde_json::to_string_pretty(
                             &middleware_manifest_v2,
@@ -1154,16 +1150,16 @@ impl Endpoint for PageEndpoint {
         let span = {
             match this.ty {
                 PageEndpointType::Html => {
-                    tracing::info_span!("page endpoint HTML", name = *original_name)
+                    tracing::info_span!("page endpoint HTML", name = original_name.to_string())
                 }
                 PageEndpointType::Data => {
-                    tracing::info_span!("page endpoint data", name = *original_name)
+                    tracing::info_span!("page endpoint data", name = original_name.to_string())
                 }
                 PageEndpointType::Api => {
-                    tracing::info_span!("page endpoint API", name = *original_name)
+                    tracing::info_span!("page endpoint API", name = original_name.to_string())
                 }
                 PageEndpointType::SsrOnly => {
-                    tracing::info_span!("page endpoint SSR", name = *original_name)
+                    tracing::info_span!("page endpoint SSR", name = original_name.to_string())
                 }
             }
         };
diff --git a/packages/next-swc/crates/next-api/src/paths.rs b/packages/next-swc/crates/next-api/src/paths.rs
index 0426f269db78a..4ffd865333438 100644
--- a/packages/next-swc/crates/next-api/src/paths.rs
+++ b/packages/next-swc/crates/next-api/src/paths.rs
@@ -1,7 +1,7 @@
 use anyhow::Result;
 use next_core::{all_assets_from_entries, next_manifests::AssetBinding};
 use serde::{Deserialize, Serialize};
-use turbo_tasks::{trace::TraceRawVcs, TryFlatJoinIterExt, Vc};
+use turbo_tasks::{trace::TraceRawVcs, RcStr, TryFlatJoinIterExt, Vc};
 use turbopack_binding::{
     turbo::tasks_fs::FileSystemPath,
     turbopack::core::{
@@ -62,7 +62,7 @@ pub async fn all_server_paths(
 pub async fn all_paths_in_root(
     assets: Vc<OutputAssets>,
     root: Vc<FileSystemPath>,
-) -> Result<Vc<Vec<String>>> {
+) -> Result<Vc<Vec<RcStr>>> {
     let all_assets = &*all_assets_from_entries(assets).await?;
     let root = &*root.await?;
 
@@ -75,7 +75,7 @@ pub(crate) async fn get_paths_from_root(
     root: &FileSystemPath,
     output_assets: &[Vc<Box<dyn OutputAsset>>],
     filter: impl FnOnce(&str) -> bool + Copy,
-) -> Result<Vec<String>> {
+) -> Result<Vec<RcStr>> {
     output_assets
         .iter()
         .map({
@@ -86,7 +86,7 @@ pub(crate) async fn get_paths_from_root(
                 };
 
                 Ok(if filter(relative) {
-                    Some(relative.to_string())
+                    Some(relative.into())
                 } else {
                     None
                 })
@@ -99,21 +99,21 @@ pub(crate) async fn get_paths_from_root(
 pub(crate) async fn get_js_paths_from_root(
     root: &FileSystemPath,
     output_assets: &[Vc<Box<dyn OutputAsset>>],
-) -> Result<Vec<String>> {
+) -> Result<Vec<RcStr>> {
     get_paths_from_root(root, output_assets, |path| path.ends_with(".js")).await
 }
 
 pub(crate) async fn get_wasm_paths_from_root(
     root: &FileSystemPath,
     output_assets: &[Vc<Box<dyn OutputAsset>>],
-) -> Result<Vec<String>> {
+) -> Result<Vec<RcStr>> {
     get_paths_from_root(root, output_assets, |path| path.ends_with(".wasm")).await
 }
 
 pub(crate) async fn get_font_paths_from_root(
     root: &FileSystemPath,
     output_assets: &[Vc<Box<dyn OutputAsset>>],
-) -> Result<Vec<String>> {
+) -> Result<Vec<RcStr>> {
     get_paths_from_root(root, output_assets, |path| {
         path.ends_with(".woff")
             || path.ends_with(".woff2")
@@ -142,7 +142,7 @@ fn get_file_stem(path: &str) -> &str {
     }
 }
 
-pub(crate) fn wasm_paths_to_bindings(paths: Vec<String>) -> Vec<AssetBinding> {
+pub(crate) fn wasm_paths_to_bindings(paths: Vec<RcStr>) -> Vec<AssetBinding> {
     paths
         .into_iter()
         .map(|path| {
@@ -155,7 +155,7 @@ pub(crate) fn wasm_paths_to_bindings(paths: Vec<String>) -> Vec<AssetBinding> {
             );
 
             AssetBinding {
-                name: format!("wasm_{}", escaped),
+                name: format!("wasm_{}", escaped).into(),
                 file_path: path,
             }
         })
diff --git a/packages/next-swc/crates/next-api/src/project.rs b/packages/next-swc/crates/next-api/src/project.rs
index d165331e5f1be..fa04c10562373 100644
--- a/packages/next-swc/crates/next-api/src/project.rs
+++ b/packages/next-swc/crates/next-api/src/project.rs
@@ -26,7 +26,7 @@ use turbo_tasks::{
     debug::ValueDebugFormat,
     graph::{AdjacencyMap, GraphTraversal},
     trace::TraceRawVcs,
-    Completion, Completions, IntoTraitRef, State, TaskInput, TraitRef, TransientInstance,
+    Completion, Completions, IntoTraitRef, RcStr, State, TaskInput, TraitRef, TransientInstance,
     TryFlatJoinIterExt, Value, Vc,
 };
 use turbopack_binding::{
@@ -71,9 +71,9 @@ use crate::{
 #[derive(Debug, Serialize, Deserialize, Clone, TaskInput, PartialEq, Eq, TraceRawVcs)]
 #[serde(rename_all = "camelCase")]
 pub struct DraftModeOptions {
-    pub preview_mode_id: String,
-    pub preview_mode_encryption_key: String,
-    pub preview_mode_signing_key: String,
+    pub preview_mode_id: RcStr,
+    pub preview_mode_encryption_key: RcStr,
+    pub preview_mode_signing_key: RcStr,
 }
 
 #[derive(Debug, Serialize, Deserialize, Clone, TaskInput, PartialEq, Eq, TraceRawVcs)]
@@ -81,19 +81,19 @@ pub struct DraftModeOptions {
 pub struct ProjectOptions {
     /// A root path from which all files must be nested under. Trying to access
     /// a file outside this root will fail. Think of this as a chroot.
-    pub root_path: String,
+    pub root_path: RcStr,
 
     /// A path inside the root_path which contains the app/pages directories.
-    pub project_path: String,
+    pub project_path: RcStr,
 
     /// The contents of next.config.js, serialized to JSON.
-    pub next_config: String,
+    pub next_config: RcStr,
 
     /// The contents of ts/config read by load-jsconfig, serialized to JSON.
-    pub js_config: String,
+    pub js_config: RcStr,
 
     /// A map of environment variables to use when compiling code.
-    pub env: Vec<(String, String)>,
+    pub env: Vec<(RcStr, RcStr)>,
 
     /// A map of environment variables which should get injected at compile
     /// time.
@@ -106,10 +106,10 @@ pub struct ProjectOptions {
     pub dev: bool,
 
     /// The server actions encryption key.
-    pub encryption_key: String,
+    pub encryption_key: RcStr,
 
     /// The build id.
-    pub build_id: String,
+    pub build_id: RcStr,
 
     /// Options for draft mode.
     pub preview_props: DraftModeOptions,
@@ -120,19 +120,19 @@ pub struct ProjectOptions {
 pub struct PartialProjectOptions {
     /// A root path from which all files must be nested under. Trying to access
     /// a file outside this root will fail. Think of this as a chroot.
-    pub root_path: Option<String>,
+    pub root_path: Option<RcStr>,
 
     /// A path inside the root_path which contains the app/pages directories.
-    pub project_path: Option<String>,
+    pub project_path: Option<RcStr>,
 
     /// The contents of next.config.js, serialized to JSON.
-    pub next_config: Option<String>,
+    pub next_config: Option<RcStr>,
 
     /// The contents of ts/config read by load-jsconfig, serialized to JSON.
-    pub js_config: Option<String>,
+    pub js_config: Option<RcStr>,
 
     /// A map of environment variables to use when compiling code.
-    pub env: Option<Vec<(String, String)>>,
+    pub env: Option<Vec<(RcStr, RcStr)>>,
 
     /// A map of environment variables which should get injected at compile
     /// time.
@@ -145,10 +145,10 @@ pub struct PartialProjectOptions {
     pub dev: Option<bool>,
 
     /// The server actions encryption key.
-    pub encryption_key: Option<String>,
+    pub encryption_key: Option<RcStr>,
 
     /// The build id.
-    pub build_id: Option<String>,
+    pub build_id: Option<RcStr>,
 
     /// Options for draft mode.
     pub preview_props: Option<DraftModeOptions>,
@@ -157,9 +157,9 @@ pub struct PartialProjectOptions {
 #[derive(Debug, Serialize, Deserialize, Clone, TaskInput, PartialEq, Eq, TraceRawVcs)]
 #[serde(rename_all = "camelCase")]
 pub struct DefineEnv {
-    pub client: Vec<(String, String)>,
-    pub edge: Vec<(String, String)>,
-    pub nodejs: Vec<(String, String)>,
+    pub client: Vec<(RcStr, RcStr)>,
+    pub edge: Vec<(RcStr, RcStr)>,
+    pub nodejs: Vec<(RcStr, RcStr)>,
 }
 
 #[derive(Serialize, Deserialize, TraceRawVcs, PartialEq, Eq, ValueDebugFormat)]
@@ -288,7 +288,7 @@ impl ProjectContainer {
             .await?
             .dist_dir
             .as_ref()
-            .map_or_else(|| ".next".to_string(), |d| d.to_string());
+            .map_or_else(|| ".next".into(), |d| d.clone());
 
         Ok(Project {
             root_path,
@@ -301,7 +301,7 @@ impl ProjectContainer {
             define_env,
             browserslist_query: "last 1 Chrome versions, last 1 Firefox versions, last 1 Safari \
                                  versions, last 1 Edge versions"
-                .to_string(),
+                .into(),
             mode: if dev {
                 NextMode::Development.cell()
             } else {
@@ -323,7 +323,7 @@ impl ProjectContainer {
 
     /// See [Project::hmr_identifiers].
     #[turbo_tasks::function]
-    pub fn hmr_identifiers(self: Vc<Self>) -> Vc<Vec<String>> {
+    pub fn hmr_identifiers(self: Vc<Self>) -> Vc<Vec<RcStr>> {
         self.project().hmr_identifiers()
     }
 
@@ -340,7 +340,7 @@ impl ProjectContainer {
     pub async fn get_source_map(
         self: Vc<Self>,
         file_path: Vc<FileSystemPath>,
-        section: Option<String>,
+        section: Option<RcStr>,
     ) -> Result<Vc<OptionSourceMap>> {
         let this = self.await?;
         Ok(this
@@ -353,13 +353,13 @@ impl ProjectContainer {
 pub struct Project {
     /// A root path from which all files must be nested under. Trying to access
     /// a file outside this root will fail. Think of this as a chroot.
-    root_path: String,
+    root_path: RcStr,
 
     /// A path where to emit the build outputs. next.config.js's distDir.
-    dist_dir: String,
+    dist_dir: RcStr,
 
     /// A path inside the root_path which contains the app/pages directories.
-    pub project_path: String,
+    pub project_path: RcStr,
 
     /// Whether to watch the filesystem for file changes.
     watch: bool,
@@ -377,15 +377,15 @@ pub struct Project {
     /// time.
     define_env: Vc<ProjectDefineEnv>,
 
-    browserslist_query: String,
+    browserslist_query: RcStr,
 
     mode: Vc<NextMode>,
 
     versioned_content_map: Vc<VersionedContentMap>,
 
-    build_id: String,
+    build_id: RcStr,
 
-    encryption_key: String,
+    encryption_key: RcStr,
 
     preview_props: DraftModeOptions,
 }
@@ -471,8 +471,8 @@ impl Project {
     async fn project_fs(self: Vc<Self>) -> Result<Vc<Box<dyn FileSystem>>> {
         let this = self.await?;
         let disk_fs = DiskFileSystem::new(
-            PROJECT_FILESYSTEM_NAME.to_string(),
-            this.root_path.to_string(),
+            PROJECT_FILESYSTEM_NAME.into(),
+            this.root_path.clone(),
             vec![],
         );
         if this.watch {
@@ -490,19 +490,19 @@ impl Project {
     #[turbo_tasks::function]
     pub async fn output_fs(self: Vc<Self>) -> Result<Vc<Box<dyn FileSystem>>> {
         let this = self.await?;
-        let disk_fs = DiskFileSystem::new("output".to_string(), this.project_path.clone(), vec![]);
+        let disk_fs = DiskFileSystem::new("output".into(), this.project_path.clone(), vec![]);
         Ok(Vc::upcast(disk_fs))
     }
 
     #[turbo_tasks::function]
-    pub async fn dist_dir(self: Vc<Self>) -> Result<Vc<String>> {
-        Ok(Vc::cell(self.await?.dist_dir.to_string()))
+    pub async fn dist_dir(self: Vc<Self>) -> Result<Vc<RcStr>> {
+        Ok(Vc::cell(self.await?.dist_dir.clone()))
     }
 
     #[turbo_tasks::function]
     pub async fn node_root(self: Vc<Self>) -> Result<Vc<FileSystemPath>> {
         let this = self.await?;
-        Ok(self.output_fs().root().join(this.dist_dir.to_string()))
+        Ok(self.output_fs().root().join(this.dist_dir.clone()))
     }
 
     #[turbo_tasks::function]
@@ -518,25 +518,25 @@ impl Project {
     #[turbo_tasks::function]
     pub async fn client_relative_path(self: Vc<Self>) -> Result<Vc<FileSystemPath>> {
         let next_config = self.next_config().await?;
-        Ok(self.client_root().join(format!(
-            "{}/_next",
-            next_config
-                .base_path
-                .clone()
-                .unwrap_or_else(|| "".to_string()),
-        )))
+        Ok(self.client_root().join(
+            format!(
+                "{}/_next",
+                next_config.base_path.clone().unwrap_or_else(|| "".into()),
+            )
+            .into(),
+        ))
     }
 
     #[turbo_tasks::function]
     pub async fn project_path(self: Vc<Self>) -> Result<Vc<FileSystemPath>> {
         let this = self.await?;
         let root = self.project_root_path();
-        let project_relative = this.project_path.strip_prefix(&this.root_path).unwrap();
+        let project_relative = this.project_path.strip_prefix(&*this.root_path).unwrap();
         let project_relative = project_relative
             .strip_prefix(MAIN_SEPARATOR)
             .unwrap_or(project_relative)
             .replace(MAIN_SEPARATOR, "/");
-        Ok(root.join(project_relative))
+        Ok(root.join(project_relative.into()))
     }
 
     #[turbo_tasks::function]
@@ -569,8 +569,8 @@ impl Project {
                 self.project_path(),
                 node_root,
                 node_root,
-                node_root.join("chunks".to_string()),
-                node_root.join("assets".to_string()),
+                node_root.join("chunks".into()),
+                node_root.join("assets".into()),
                 node_build_environment(),
                 next_mode.runtime_type(),
             )
@@ -613,11 +613,11 @@ impl Project {
     #[turbo_tasks::function]
     pub(super) fn edge_env(&self) -> Vc<EnvMap> {
         let edge_env = indexmap! {
-            "__NEXT_BUILD_ID".to_string() => self.build_id.clone(),
-            "NEXT_SERVER_ACTIONS_ENCRYPTION_KEY".to_string() => self.encryption_key.clone(),
-            "__NEXT_PREVIEW_MODE_ID".to_string() => self.preview_props.preview_mode_id.clone(),
-            "__NEXT_PREVIEW_MODE_ENCRYPTION_KEY".to_string() => self.preview_props.preview_mode_encryption_key.clone(),
-            "__NEXT_PREVIEW_MODE_SIGNING_KEY".to_string() => self.preview_props.preview_mode_signing_key.clone(),
+            "__NEXT_BUILD_ID".into() => self.build_id.clone(),
+            "NEXT_SERVER_ACTIONS_ENCRYPTION_KEY".into() => self.encryption_key.clone(),
+            "__NEXT_PREVIEW_MODE_ID".into() => self.preview_props.preview_mode_id.clone(),
+            "__NEXT_PREVIEW_MODE_ENCRYPTION_KEY".into() => self.preview_props.preview_mode_encryption_key.clone(),
+            "__NEXT_PREVIEW_MODE_SIGNING_KEY".into() => self.preview_props.preview_mode_signing_key.clone(),
         };
         Vc::cell(edge_env)
     }
@@ -688,7 +688,7 @@ impl Project {
     #[turbo_tasks::function]
     async fn collect_project_feature_telemetry(self: Vc<Self>) -> Result<Vc<()>> {
         let emit_event = |feature_name: &str, enabled: bool| {
-            NextFeatureTelemetry::new(feature_name.to_string(), enabled)
+            NextFeatureTelemetry::new(feature_name.into(), enabled)
                 .cell()
                 .emit();
         };
@@ -787,14 +787,14 @@ impl Project {
                         path: self.project_path(),
                         title: StyledString::Text(
                             format!("App Router and Pages Router both match path: {}", pathname)
-                                .to_string(),
+                                .into(),
                         )
                         .cell(),
                         description: StyledString::Text(
                             "Next.js does not support having both App Router and Pages Router \
                              routes matching the same path. Please remove one of the conflicting \
                              routes."
-                                .to_string(),
+                                .into(),
                         )
                         .cell(),
                         severity: IssueSeverity::Error.cell(),
@@ -896,7 +896,7 @@ impl Project {
                 self.next_config(),
                 self.execution_context(),
             ),
-            Vc::cell("middleware".to_string()),
+            Vc::cell("middleware".into()),
         ))
     }
 
@@ -930,7 +930,7 @@ impl Project {
                 self.next_config(),
                 self.execution_context(),
             ),
-            Vc::cell("instrumentation".to_string()),
+            Vc::cell("instrumentation".into()),
         ))
     }
 
@@ -980,7 +980,7 @@ impl Project {
     #[turbo_tasks::function]
     async fn hmr_content(
         self: Vc<Self>,
-        identifier: String,
+        identifier: RcStr,
     ) -> Result<Vc<Box<dyn VersionedContent>>> {
         Ok(self
             .await?
@@ -989,7 +989,7 @@ impl Project {
     }
 
     #[turbo_tasks::function]
-    async fn hmr_version(self: Vc<Self>, identifier: String) -> Result<Vc<Box<dyn Version>>> {
+    async fn hmr_version(self: Vc<Self>, identifier: RcStr) -> Result<Vc<Box<dyn Version>>> {
         let content = self.hmr_content(identifier);
 
         Ok(content.version())
@@ -1000,7 +1000,7 @@ impl Project {
     #[turbo_tasks::function]
     pub async fn hmr_version_state(
         self: Vc<Self>,
-        identifier: String,
+        identifier: RcStr,
         session: TransientInstance<()>,
     ) -> Result<Vc<VersionState>> {
         let version = self.hmr_version(identifier);
@@ -1020,7 +1020,7 @@ impl Project {
     #[turbo_tasks::function]
     pub async fn hmr_update(
         self: Vc<Self>,
-        identifier: String,
+        identifier: RcStr,
         from: Vc<VersionState>,
     ) -> Result<Vc<Update>> {
         let from = from.get();
@@ -1030,7 +1030,7 @@ impl Project {
     /// Gets a list of all HMR identifiers that can be subscribed to. This is
     /// only needed for testing purposes and isn't used in real apps.
     #[turbo_tasks::function]
-    pub async fn hmr_identifiers(self: Vc<Self>) -> Result<Vc<Vec<String>>> {
+    pub async fn hmr_identifiers(self: Vc<Self>) -> Result<Vc<Vec<RcStr>>> {
         Ok(self
             .await?
             .versioned_content_map
diff --git a/packages/next-swc/crates/next-api/src/route.rs b/packages/next-swc/crates/next-api/src/route.rs
index 9d7547a785c69..9736f507adc92 100644
--- a/packages/next-swc/crates/next-api/src/route.rs
+++ b/packages/next-swc/crates/next-api/src/route.rs
@@ -1,7 +1,7 @@
 use anyhow::Result;
 use indexmap::IndexMap;
 use serde::{Deserialize, Serialize};
-use turbo_tasks::{debug::ValueDebugFormat, trace::TraceRawVcs, Completion, Vc};
+use turbo_tasks::{debug::ValueDebugFormat, trace::TraceRawVcs, Completion, RcStr, Vc};
 
 use crate::paths::ServerPath;
 
@@ -84,15 +84,15 @@ pub enum WrittenEndpoint {
         /// Relative to the root_path
         server_entry_path: String,
         server_paths: Vec<ServerPath>,
-        client_paths: Vec<String>,
+        client_paths: Vec<RcStr>,
     },
     Edge {
         server_paths: Vec<ServerPath>,
-        client_paths: Vec<String>,
+        client_paths: Vec<RcStr>,
     },
 }
 
 /// The routes as map from pathname to route. (pathname includes the leading
 /// slash)
 #[turbo_tasks::value(transparent)]
-pub struct Routes(IndexMap<String, Route>);
+pub struct Routes(IndexMap<RcStr, Route>);
diff --git a/packages/next-swc/crates/next-api/src/server_actions.rs b/packages/next-swc/crates/next-api/src/server_actions.rs
index 63770bfc178f5..172c62fc7e71c 100644
--- a/packages/next-swc/crates/next-api/src/server_actions.rs
+++ b/packages/next-swc/crates/next-api/src/server_actions.rs
@@ -9,7 +9,7 @@ use next_core::{
 use tracing::Instrument;
 use turbo_tasks::{
     graph::{GraphTraversal, NonDeterministic},
-    TryFlatJoinIterExt, Value, ValueToString, Vc,
+    RcStr, TryFlatJoinIterExt, Value, ValueToString, Vc,
 };
 use turbopack_binding::{
     swc::core::{common::comments::Comments, ecma::ast::Program},
@@ -54,7 +54,7 @@ pub(crate) async fn create_server_actions_manifest(
 ) -> Result<(Vc<Box<dyn EvaluatableAsset>>, Vc<Box<dyn OutputAsset>>)> {
     let actions = get_actions(rsc_entry, server_reference_modules, asset_context);
     let loader =
-        build_server_actions_loader(project_path, page_name.to_string(), actions, asset_context);
+        build_server_actions_loader(project_path, page_name.into(), actions, asset_context);
     let evaluable = Vc::try_resolve_sidecast::<Box<dyn EvaluatableAsset>>(loader)
         .await?
         .context("loader module must be evaluatable")?;
@@ -76,7 +76,7 @@ pub(crate) async fn create_server_actions_manifest(
 #[turbo_tasks::function]
 async fn build_server_actions_loader(
     project_path: Vc<FileSystemPath>,
-    page_name: String,
+    page_name: RcStr,
     actions: Vc<AllActions>,
     asset_context: Vc<Box<dyn AssetContext>>,
 ) -> Result<Vc<Box<dyn EcmascriptChunkPlaceable>>> {
@@ -92,7 +92,7 @@ async fn build_server_actions_loader(
         let index = import_map.len();
         let module_name = import_map
             .entry(*module)
-            .or_insert_with(|| format!("ACTIONS_MODULE{index}"));
+            .or_insert_with(|| format!("ACTIONS_MODULE{index}").into());
         writeln!(
             contents,
             "  '{hash_id}': (...args) => Promise.resolve(require('{module_name}')).then(mod => \
@@ -101,7 +101,8 @@ async fn build_server_actions_loader(
     }
     write!(contents, "}});")?;
 
-    let output_path = project_path.join(format!(".next-internal/server/app{page_name}/actions.js"));
+    let output_path =
+        project_path.join(format!(".next-internal/server/app{page_name}/actions.js").into());
     let file = File::from(contents.build());
     let source = VirtualSource::new(output_path, AssetContent::file(file.into()));
     let import_map = import_map.into_iter().map(|(k, v)| (v, k)).collect();
@@ -128,12 +129,11 @@ async fn build_manifest(
     page_name: &str,
     runtime: NextRuntime,
     actions: Vc<AllActions>,
-    loader_id: Vc<String>,
+    loader_id: Vc<RcStr>,
 ) -> Result<Vc<Box<dyn OutputAsset>>> {
     let manifest_path_prefix = page_name;
-    let manifest_path = node_root.join(format!(
-        "server/app{manifest_path_prefix}/server-reference-manifest.json",
-    ));
+    let manifest_path = node_root
+        .join(format!("server/app{manifest_path_prefix}/server-reference-manifest.json",).into());
     let mut manifest = ServerReferenceManifest {
         ..Default::default()
     };
@@ -163,8 +163,8 @@ async fn build_manifest(
 }
 
 #[turbo_tasks::function]
-fn action_modifier() -> Vc<String> {
-    Vc::cell("action".to_string())
+fn action_modifier() -> Vc<RcStr> {
+    Vc::cell("action".into())
 }
 
 /// Traverses the entire module graph starting from [Module], looking for magic
diff --git a/packages/next-swc/crates/next-api/src/versioned_content_map.rs b/packages/next-swc/crates/next-api/src/versioned_content_map.rs
index 357f2969fa1fc..50217681120bf 100644
--- a/packages/next-swc/crates/next-api/src/versioned_content_map.rs
+++ b/packages/next-swc/crates/next-api/src/versioned_content_map.rs
@@ -4,7 +4,7 @@ use anyhow::{bail, Result};
 use next_core::emit_client_assets;
 use serde::{Deserialize, Serialize};
 use turbo_tasks::{
-    debug::ValueDebugFormat, trace::TraceRawVcs, Completion, State, TryFlatJoinIterExt,
+    debug::ValueDebugFormat, trace::TraceRawVcs, Completion, RcStr, State, TryFlatJoinIterExt,
     TryJoinIterExt, ValueDefault, ValueToString, Vc,
 };
 use turbopack_binding::{
@@ -124,7 +124,7 @@ impl VersionedContentMap {
     pub async fn get_source_map(
         self: Vc<Self>,
         path: Vc<FileSystemPath>,
-        section: Option<String>,
+        section: Option<RcStr>,
     ) -> Result<Vc<OptionSourceMap>> {
         if let Some(generate_source_map) =
             Vc::try_resolve_sidecast::<Box<dyn GenerateSourceMap>>(self.get_asset(path)).await?
@@ -169,7 +169,7 @@ impl VersionedContentMap {
     }
 
     #[turbo_tasks::function]
-    pub async fn keys_in_path(&self, root: Vc<FileSystemPath>) -> Result<Vc<Vec<String>>> {
+    pub async fn keys_in_path(&self, root: Vc<FileSystemPath>) -> Result<Vc<Vec<RcStr>>> {
         let keys = {
             let map = self.map_path_to_op.get();
             map.keys().copied().collect::<Vec<_>>()
@@ -177,7 +177,7 @@ impl VersionedContentMap {
         let root = &root.await?;
         let keys = keys
             .into_iter()
-            .map(|path| async move { Ok(root.get_path_to(&*path.await?).map(|p| p.to_string())) })
+            .map(|path| async move { Ok(root.get_path_to(&*path.await?).map(RcStr::from)) })
             .try_flat_join()
             .await?;
         Ok(Vc::cell(keys))
diff --git a/packages/next-swc/crates/next-core/src/app_segment_config.rs b/packages/next-swc/crates/next-core/src/app_segment_config.rs
index cbed6876317f1..a4a76ede1533b 100644
--- a/packages/next-swc/crates/next-core/src/app_segment_config.rs
+++ b/packages/next-swc/crates/next-core/src/app_segment_config.rs
@@ -3,7 +3,7 @@ use std::ops::Deref;
 use anyhow::{bail, Result};
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
-use turbo_tasks::{trace::TraceRawVcs, TryJoinIterExt, ValueDefault, Vc};
+use turbo_tasks::{trace::TraceRawVcs, RcStr, TryJoinIterExt, ValueDefault, Vc};
 use turbo_tasks_fs::FileSystemPath;
 use turbopack_binding::{
     swc::core::{
@@ -71,7 +71,8 @@ pub struct NextSegmentConfig {
     pub revalidate: Option<NextRevalidate>,
     pub fetch_cache: Option<NextSegmentFetchCache>,
     pub runtime: Option<NextRuntime>,
-    pub preferred_region: Option<Vec<String>>,
+    pub preferred_region: Option<Vec<RcStr>>,
+    pub experimental_ppr: Option<bool>,
 }
 
 #[turbo_tasks::value_impl]
@@ -93,6 +94,7 @@ impl NextSegmentConfig {
             fetch_cache,
             runtime,
             preferred_region,
+            experimental_ppr,
         } = self;
         *dynamic = dynamic.or(parent.dynamic);
         *dynamic_params = dynamic_params.or(parent.dynamic_params);
@@ -100,6 +102,7 @@ impl NextSegmentConfig {
         *fetch_cache = fetch_cache.or(parent.fetch_cache);
         *runtime = runtime.or(parent.runtime);
         *preferred_region = preferred_region.take().or(parent.preferred_region.clone());
+        *experimental_ppr = experimental_ppr.or(parent.experimental_ppr);
     }
 
     /// Applies a config from a paralllel route to this config, returning an
@@ -133,6 +136,7 @@ impl NextSegmentConfig {
             fetch_cache,
             runtime,
             preferred_region,
+            experimental_ppr,
         } = self;
         merge_parallel(dynamic, &parallel_config.dynamic, "dynamic")?;
         merge_parallel(
@@ -148,6 +152,11 @@ impl NextSegmentConfig {
             &parallel_config.preferred_region,
             "referredRegion",
         )?;
+        merge_parallel(
+            experimental_ppr,
+            &parallel_config.experimental_ppr,
+            "experimental_ppr",
+        )?;
         Ok(())
     }
 }
@@ -169,7 +178,7 @@ impl Issue for NextSegmentConfigParsingIssue {
 
     #[turbo_tasks::function]
     fn title(&self) -> Vc<StyledString> {
-        StyledString::Text("Unable to parse config export in source file".to_string()).cell()
+        StyledString::Text("Unable to parse config export in source file".into()).cell()
     }
 
     #[turbo_tasks::function]
@@ -188,7 +197,7 @@ impl Issue for NextSegmentConfigParsingIssue {
             StyledString::Text(
                 "The exported configuration object in a source file need to have a very specific \
                  format from which some properties can be statically parsed at compiled-time."
-                    .to_string(),
+                    .into(),
             )
             .cell(),
         ))
@@ -200,10 +209,10 @@ impl Issue for NextSegmentConfigParsingIssue {
     }
 
     #[turbo_tasks::function]
-    fn documentation_link(&self) -> Vc<String> {
+    fn documentation_link(&self) -> Vc<RcStr> {
         Vc::cell(
             "https://nextjs.org/docs/app/api-reference/file-conventions/route-segment-config"
-                .to_string(),
+                .into(),
         )
     }
 
@@ -303,7 +312,7 @@ fn parse_config_value(
         let (explainer, hints) = value.explain(2, 0);
         NextSegmentConfigParsingIssue {
             ident: source.ident(),
-            detail: StyledString::Text(format!("{detail} Got {explainer}.{hints}")).cell(),
+            detail: StyledString::Text(format!("{detail} Got {explainer}.{hints}").into()).cell(),
             source: issue_source(source, span),
         }
         .cell()
@@ -393,14 +402,14 @@ fn parse_config_value(
 
             let preferred_region = match value {
                 // Single value is turned into a single-element Vec.
-                JsValue::Constant(ConstantValue::Str(str)) => vec![str.to_string()],
+                JsValue::Constant(ConstantValue::Str(str)) => vec![str.to_string().into()],
                 // Array of strings is turned into a Vec. If one of the values in not a String it
                 // will error.
                 JsValue::Array { items, .. } => {
                     let mut regions = Vec::new();
                     for item in items {
                         if let JsValue::Constant(ConstantValue::Str(str)) = item {
-                            regions.push(str.to_string());
+                            regions.push(str.to_string().into());
                         } else {
                             invalid_config(
                                 "Values of the `preferredRegion` array need to static strings",
@@ -422,6 +431,15 @@ fn parse_config_value(
 
             config.preferred_region = Some(preferred_region);
         }
+        "experimental_ppr" => {
+            let value = eval_context.eval(init);
+            let Some(val) = value.as_bool() else {
+                invalid_config("`experimental_ppr` needs to be a static boolean", &value);
+                return;
+            };
+
+            config.experimental_ppr = Some(val);
+        }
         _ => {}
     }
 }
diff --git a/packages/next-swc/crates/next-core/src/app_structure.rs b/packages/next-swc/crates/next-core/src/app_structure.rs
index 05c03994451c3..59836f3d79cae 100644
--- a/packages/next-swc/crates/next-core/src/app_structure.rs
+++ b/packages/next-swc/crates/next-core/src/app_structure.rs
@@ -11,7 +11,7 @@ use rustc_hash::FxHashMap;
 use serde::{Deserialize, Serialize};
 use tracing::Instrument;
 use turbo_tasks::{
-    debug::ValueDebugFormat, trace::TraceRawVcs, Completion, Completions, TaskInput,
+    debug::ValueDebugFormat, trace::TraceRawVcs, Completion, Completions, RcStr, TaskInput,
     TryJoinIterExt, ValueToString, Vc,
 };
 use turbopack_binding::{
@@ -104,11 +104,11 @@ pub enum MetadataItem {
 }
 
 #[turbo_tasks::function]
-pub async fn get_metadata_route_name(meta: MetadataItem) -> Result<Vc<String>> {
+pub async fn get_metadata_route_name(meta: MetadataItem) -> Result<Vc<RcStr>> {
     Ok(match meta {
         MetadataItem::Static { path } => {
             let path_value = path.await?;
-            Vc::cell(path_value.file_name().to_string())
+            Vc::cell(path_value.file_name().into())
         }
         MetadataItem::Dynamic { path } => {
             let Some(stem) = &*path.file_stem().await? else {
@@ -119,7 +119,7 @@ pub async fn get_metadata_route_name(meta: MetadataItem) -> Result<Vc<String>> {
             };
 
             match stem.as_str() {
-                "manifest" => Vc::cell("manifest.webmanifest".to_string()),
+                "manifest" => Vc::cell("manifest.webmanifest".into()),
                 _ => Vc::cell(stem.clone()),
             }
         }
@@ -213,7 +213,7 @@ impl GlobalMetadata {
 #[derive(Debug)]
 pub struct DirectoryTree {
     /// key is e.g. "dashboard", "(dashboard)", "@slot"
-    pub subdirectories: BTreeMap<String, Vc<DirectoryTree>>,
+    pub subdirectories: BTreeMap<RcStr, Vc<DirectoryTree>>,
     pub components: Vc<Components>,
 }
 
@@ -259,8 +259,8 @@ impl OptionAppDir {
 /// Finds and returns the [DirectoryTree] of the app directory if existing.
 #[turbo_tasks::function]
 pub async fn find_app_dir(project_path: Vc<FileSystemPath>) -> Result<Vc<OptionAppDir>> {
-    let app = project_path.join("app".to_string());
-    let src_app = project_path.join("src/app".to_string());
+    let app = project_path.join("app".into());
+    let src_app = project_path.join("src/app".into());
     let app_dir = if *app.get_type().await? == FileSystemEntryType::Directory {
         app
     } else if *src_app.get_type().await? == FileSystemEntryType::Directory {
@@ -284,11 +284,11 @@ pub async fn find_app_dir_if_enabled(project_path: Vc<FileSystemPath>) -> Result
 #[turbo_tasks::function]
 async fn get_directory_tree(
     dir: Vc<FileSystemPath>,
-    page_extensions: Vc<Vec<String>>,
+    page_extensions: Vc<Vec<RcStr>>,
 ) -> Result<Vc<DirectoryTree>> {
     let span = {
-        let dir = dir.to_string().await?;
-        tracing::info_span!("read app directory tree", name = *dir)
+        let dir = dir.to_string().await?.to_string();
+        tracing::info_span!("read app directory tree", name = dir)
     };
     get_directory_tree_internal(dir, page_extensions)
         .instrument(span)
@@ -297,7 +297,7 @@ async fn get_directory_tree(
 
 async fn get_directory_tree_internal(
     dir: Vc<FileSystemPath>,
-    page_extensions: Vc<Vec<String>>,
+    page_extensions: Vc<Vec<RcStr>>,
 ) -> Result<Vc<DirectoryTree>> {
     let DirectoryContent::Entries(entries) = &*dir.read_dir().await? else {
         // the file watcher might invalidate things in the wrong order,
@@ -375,7 +375,7 @@ async fn get_directory_tree_internal(
                 let basename = file_name
                     .rsplit_once('.')
                     .map_or(file_name, |(basename, _)| basename);
-                let alt_path = file.parent().join(format!("{}.alt.txt", basename));
+                let alt_path = file.parent().join(format!("{}.alt.txt", basename).into());
                 let alt_path = matches!(&*alt_path.get_type().await?, FileSystemEntryType::File)
                     .then_some(alt_path);
 
@@ -392,7 +392,7 @@ async fn get_directory_tree_internal(
                 // appDir ignores paths starting with an underscore
                 if !basename.starts_with('_') {
                     let result = get_directory_tree(dir, page_extensions);
-                    subdirectories.insert(basename.to_string(), result);
+                    subdirectories.insert(basename.clone(), result);
                 }
             }
             // TODO(WEB-952) handle symlinks in app dir
@@ -421,8 +421,8 @@ async fn get_directory_tree_internal(
 #[derive(Debug, Clone)]
 pub struct LoaderTree {
     pub page: AppPage,
-    pub segment: String,
-    pub parallel_routes: IndexMap<String, Vc<LoaderTree>>,
+    pub segment: RcStr,
+    pub parallel_routes: IndexMap<RcStr, Vc<LoaderTree>>,
     pub components: Vc<Components>,
     pub global_metadata: Vc<GlobalMetadata>,
 }
@@ -432,7 +432,7 @@ impl LoaderTree {
     /// Returns true if there's a page match in this loader tree.
     #[turbo_tasks::function]
     pub async fn has_page(&self) -> Result<Vc<bool>> {
-        if self.segment == "__PAGE__" {
+        if &*self.segment == "__PAGE__" {
             return Ok(Vc::cell(true));
         }
 
@@ -449,7 +449,7 @@ impl LoaderTree {
     /// route.
     #[turbo_tasks::function]
     pub async fn has_only_catchall(&self) -> Result<Vc<bool>> {
-        if self.segment == "__PAGE__" && !self.page.is_catchall() {
+        if &*self.segment == "__PAGE__" && !self.page.is_catchall() {
             return Ok(Vc::cell(false));
         }
 
@@ -527,11 +527,14 @@ fn conflict_issue(
 
     DirectoryTreeIssue {
         app_dir,
-        message: StyledString::Text(format!(
-            "Conflicting {} at {}: {a} at {value_a} and {b} at {value_b}",
-            item_names,
-            e.key(),
-        ))
+        message: StyledString::Text(
+            format!(
+                "Conflicting {} at {}: {a} at {value_a} and {b} at {value_b}",
+                item_names,
+                e.key(),
+            )
+            .into(),
+        )
         .cell(),
         severity: IssueSeverity::Error.cell(),
     }
@@ -684,7 +687,7 @@ fn add_app_metadata_route(
 #[turbo_tasks::function]
 pub fn get_entrypoints(
     app_dir: Vc<FileSystemPath>,
-    page_extensions: Vc<Vec<String>>,
+    page_extensions: Vc<Vec<RcStr>>,
 ) -> Vc<Entrypoints> {
     directory_tree_to_entrypoints(
         app_dir,
@@ -704,7 +707,7 @@ fn directory_tree_to_entrypoints(
     directory_tree_to_entrypoints_internal(
         app_dir,
         global_metadata,
-        "".to_string(),
+        "".into(),
         directory_tree,
         AppPage::new(),
         root_layouts,
@@ -722,7 +725,7 @@ impl Issue for DuplicateParallelRouteIssue {
     #[turbo_tasks::function]
     async fn file_path(self: Vc<Self>) -> Result<Vc<FileSystemPath>> {
         let this = self.await?;
-        Ok(this.app_dir.join(this.page.to_string()))
+        Ok(this.app_dir.join(this.page.to_string().into()))
     }
 
     #[turbo_tasks::function]
@@ -733,7 +736,7 @@ impl Issue for DuplicateParallelRouteIssue {
     #[turbo_tasks::function]
     fn title(self: Vc<Self>) -> Vc<StyledString> {
         StyledString::Text(
-            "You cannot have two parallel pages that resolve to the same path.".to_string(),
+            "You cannot have two parallel pages that resolve to the same path.".into(),
         )
         .cell()
     }
@@ -795,7 +798,7 @@ async fn check_duplicate(
 async fn directory_tree_to_loader_tree(
     app_dir: Vc<FileSystemPath>,
     global_metadata: Vc<GlobalMetadata>,
-    directory_name: String,
+    directory_name: RcStr,
     directory_tree: Vc<DirectoryTree>,
     app_page: AppPage,
     // the page this loader tree is constructed for
@@ -828,7 +831,7 @@ async fn directory_tree_to_loader_tree(
 
     if (is_root_directory || is_root_layout) && components.not_found.is_none() {
         components.not_found = Some(
-            get_next_package(app_dir).join("dist/client/components/not-found-error.js".to_string()),
+            get_next_package(app_dir).join("dist/client/components/not-found-error.js".into()),
         );
     }
 
@@ -843,7 +846,7 @@ async fn directory_tree_to_loader_tree(
     let current_level_is_parallel_route = is_parallel_route(&directory_name);
 
     if current_level_is_parallel_route {
-        tree.segment = "children".to_string();
+        tree.segment = "children".into();
     }
 
     if let Some(page) = (app_path == for_app_path || app_path.is_catchall())
@@ -862,10 +865,10 @@ async fn directory_tree_to_loader_tree(
         };
 
         tree.parallel_routes.insert(
-            "children".to_string(),
+            "children".into(),
             LoaderTree {
                 page: app_page.clone(),
-                segment: "__PAGE__".to_string(),
+                segment: "__PAGE__".into(),
                 parallel_routes: IndexMap::new(),
                 components: Components {
                     page: Some(page),
@@ -879,7 +882,7 @@ async fn directory_tree_to_loader_tree(
         );
 
         if current_level_is_parallel_route {
-            tree.segment = "page$".to_string();
+            tree.segment = "page$".into();
         }
     }
 
@@ -915,7 +918,7 @@ async fn directory_tree_to_loader_tree(
 
         if let Some(subtree) = subtree {
             if let Some(key) = parallel_route_key {
-                tree.parallel_routes.insert(key.to_string(), subtree);
+                tree.parallel_routes.insert(key.into(), subtree);
                 continue;
             }
 
@@ -933,7 +936,7 @@ async fn directory_tree_to_loader_tree(
                     // there's probably already a more specific page in the
                     // slot.
                 } else if *current_tree.has_only_catchall().await? {
-                    tree.parallel_routes.insert("children".to_string(), subtree);
+                    tree.parallel_routes.insert("children".into(), subtree);
                 } else {
                     // TODO: Investigate if this is still needed. Emitting the
                     // error causes the test "should
@@ -955,7 +958,7 @@ async fn directory_tree_to_loader_tree(
                     // .emit();
                 }
             } else {
-                tree.parallel_routes.insert("children".to_string(), subtree);
+                tree.parallel_routes.insert("children".into(), subtree);
             }
         } else if let Some(key) = parallel_route_key {
             bail!(
@@ -967,7 +970,7 @@ async fn directory_tree_to_loader_tree(
     }
 
     if tree.parallel_routes.is_empty() {
-        tree.segment = "__DEFAULT__".to_string();
+        tree.segment = "__DEFAULT__".into();
         if let Some(default) = components.default {
             tree.components = Components {
                 default: Some(default),
@@ -979,7 +982,7 @@ async fn directory_tree_to_loader_tree(
             tree.components = Components {
                 default: Some(
                     get_next_package(app_dir)
-                        .join("dist/client/components/parallel-route-default.js".to_string()),
+                        .join("dist/client/components/parallel-route-default.js".into()),
                 ),
                 ..Default::default()
             }
@@ -989,10 +992,10 @@ async fn directory_tree_to_loader_tree(
         }
     } else if tree.parallel_routes.get("children").is_none() {
         tree.parallel_routes.insert(
-            "children".to_string(),
+            "children".into(),
             LoaderTree {
                 page: app_page.clone(),
-                segment: "__DEFAULT__".to_string(),
+                segment: "__DEFAULT__".into(),
                 parallel_routes: IndexMap::new(),
                 components: if let Some(default) = components.default {
                     Components {
@@ -1004,9 +1007,8 @@ async fn directory_tree_to_loader_tree(
                     // default fallback component
                     Components {
                         default: Some(
-                            get_next_package(app_dir).join(
-                                "dist/client/components/parallel-route-default.js".to_string(),
-                            ),
+                            get_next_package(app_dir)
+                                .join("dist/client/components/parallel-route-default.js".into()),
                         ),
                         ..Default::default()
                     }
@@ -1033,7 +1035,7 @@ async fn directory_tree_to_loader_tree(
 async fn directory_tree_to_entrypoints_internal(
     app_dir: Vc<FileSystemPath>,
     global_metadata: Vc<GlobalMetadata>,
-    directory_name: String,
+    directory_name: RcStr,
     directory_tree: Vc<DirectoryTree>,
     app_page: AppPage,
     root_layouts: Vc<Vec<Vc<FileSystemPath>>>,
@@ -1054,7 +1056,7 @@ async fn directory_tree_to_entrypoints_internal(
 async fn directory_tree_to_entrypoints_internal_untraced(
     app_dir: Vc<FileSystemPath>,
     global_metadata: Vc<GlobalMetadata>,
-    directory_name: String,
+    directory_name: RcStr,
     directory_tree: Vc<DirectoryTree>,
     app_page: AppPage,
     root_layouts: Vc<Vec<Vc<FileSystemPath>>>,
@@ -1161,16 +1163,16 @@ async fn directory_tree_to_entrypoints_internal_untraced(
                 page: app_page.clone(),
                 segment: directory_name.clone(),
                 parallel_routes: indexmap! {
-                    "children".to_string() => LoaderTree {
+                    "children".into() => LoaderTree {
                         page: app_page.clone(),
-                        segment: "/_not-found".to_string(),
+                        segment: "/_not-found".into(),
                         parallel_routes: indexmap! {
-                            "children".to_string() => LoaderTree {
+                            "children".into() => LoaderTree {
                                 page: app_page.clone(),
-                                segment: "__PAGE__".to_string(),
+                                segment: "__PAGE__".into(),
                                 parallel_routes: IndexMap::new(),
                                 components: Components {
-                                    page: components.not_found.or_else(|| Some(get_next_package(app_dir).join("dist/client/components/not-found-error.js".to_string()))),
+                                    page: components.not_found.or_else(|| Some(get_next_package(app_dir).join("dist/client/components/not-found-error.js".into()))),
                                     ..Default::default()
                                 }.cell(),
                                 global_metadata
@@ -1211,7 +1213,7 @@ async fn directory_tree_to_entrypoints_internal_untraced(
             let map = directory_tree_to_entrypoints_internal(
                 app_dir,
                 global_metadata,
-                subdir_name.to_string(),
+                subdir_name.clone(),
                 subdirectory,
                 child_app_page.clone(),
                 root_layouts,
@@ -1294,7 +1296,7 @@ async fn directory_tree_to_entrypoints_internal_untraced(
 #[turbo_tasks::function]
 pub async fn get_global_metadata(
     app_dir: Vc<FileSystemPath>,
-    page_extensions: Vc<Vec<String>>,
+    page_extensions: Vc<Vec<RcStr>>,
 ) -> Result<Vc<GlobalMetadata>> {
     let DirectoryContent::Entries(entries) = &*app_dir.read_dir().await? else {
         bail!("app_dir must be a directory")
@@ -1348,10 +1350,7 @@ impl Issue for DirectoryTreeIssue {
 
     #[turbo_tasks::function]
     async fn title(&self) -> Result<Vc<StyledString>> {
-        Ok(
-            StyledString::Text("An issue occurred while preparing your Next.js app".to_string())
-                .cell(),
-        )
+        Ok(StyledString::Text("An issue occurred while preparing your Next.js app".into()).cell())
     }
 
     #[turbo_tasks::function]
diff --git a/packages/next-swc/crates/next-core/src/bootstrap.rs b/packages/next-swc/crates/next-core/src/bootstrap.rs
index d5645e2829699..b833dad6f1b48 100644
--- a/packages/next-swc/crates/next-core/src/bootstrap.rs
+++ b/packages/next-swc/crates/next-core/src/bootstrap.rs
@@ -80,7 +80,7 @@ pub async fn bootstrap(
     let config_asset = context
         .process(
             Vc::upcast(VirtualSource::new(
-                asset.ident().path().join("bootstrap-config.ts".to_string()),
+                asset.ident().path().join("bootstrap-config.ts".into()),
                 AssetContent::file(
                     File::from(
                         config
@@ -97,8 +97,8 @@ pub async fn bootstrap(
         .module();
 
     let mut inner_assets = inner_assets.await?.clone_value();
-    inner_assets.insert("ENTRY".to_string(), asset);
-    inner_assets.insert("BOOTSTRAP_CONFIG".to_string(), config_asset);
+    inner_assets.insert("ENTRY".into(), asset);
+    inner_assets.insert("BOOTSTRAP_CONFIG".into(), config_asset);
 
     let asset = context
         .process(
diff --git a/packages/next-swc/crates/next-core/src/embed_js.rs b/packages/next-swc/crates/next-core/src/embed_js.rs
index 11ecee4fd9702..5dcebdb90bfb3 100644
--- a/packages/next-swc/crates/next-core/src/embed_js.rs
+++ b/packages/next-swc/crates/next-core/src/embed_js.rs
@@ -1,4 +1,4 @@
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 use turbopack_binding::{
     turbo::tasks_fs::{FileContent, FileSystem, FileSystemPath},
     turbopack::core::{file_source::FileSource, source::Source},
@@ -13,16 +13,16 @@ pub(crate) fn next_js_fs() -> Vc<Box<dyn FileSystem>> {
 }
 
 #[turbo_tasks::function]
-pub(crate) fn next_js_file(path: String) -> Vc<FileContent> {
+pub(crate) fn next_js_file(path: RcStr) -> Vc<FileContent> {
     next_js_fs().root().join(path).read()
 }
 
 #[turbo_tasks::function]
-pub(crate) fn next_js_file_path(path: String) -> Vc<FileSystemPath> {
+pub(crate) fn next_js_file_path(path: RcStr) -> Vc<FileSystemPath> {
     next_js_fs().root().join(path)
 }
 
 #[turbo_tasks::function]
-pub(crate) fn next_asset(path: String) -> Vc<Box<dyn Source>> {
+pub(crate) fn next_asset(path: RcStr) -> Vc<Box<dyn Source>> {
     Vc::upcast(FileSource::new(next_js_file_path(path)))
 }
diff --git a/packages/next-swc/crates/next-core/src/instrumentation.rs b/packages/next-swc/crates/next-core/src/instrumentation.rs
index 21df0efcec2e3..be5d31570745c 100644
--- a/packages/next-swc/crates/next-core/src/instrumentation.rs
+++ b/packages/next-swc/crates/next-core/src/instrumentation.rs
@@ -1,8 +1,8 @@
 use anyhow::Result;
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 
 #[turbo_tasks::function]
-pub async fn instrumentation_files(page_extensions: Vc<Vec<String>>) -> Result<Vc<Vec<String>>> {
+pub async fn instrumentation_files(page_extensions: Vc<Vec<RcStr>>) -> Result<Vc<Vec<RcStr>>> {
     let extensions = page_extensions.await?;
     let files = ["instrumentation.", "src/instrumentation."]
         .into_iter()
@@ -10,6 +10,7 @@ pub async fn instrumentation_files(page_extensions: Vc<Vec<String>>) -> Result<V
             extensions
                 .iter()
                 .map(move |ext| String::from(f) + ext.as_str())
+                .map(RcStr::from)
         })
         .collect();
     Ok(Vc::cell(files))
diff --git a/packages/next-swc/crates/next-core/src/loader_tree.rs b/packages/next-swc/crates/next-core/src/loader_tree.rs
index 58c6bec8f4972..aabb6a0b7fbd5 100644
--- a/packages/next-swc/crates/next-core/src/loader_tree.rs
+++ b/packages/next-swc/crates/next-core/src/loader_tree.rs
@@ -7,7 +7,7 @@ use anyhow::Result;
 use async_recursion::async_recursion;
 use indexmap::IndexMap;
 use indoc::formatdoc;
-use turbo_tasks::{Value, ValueToString, Vc};
+use turbo_tasks::{RcStr, Value, ValueToString, Vc};
 use turbo_tasks_fs::FileSystemPath;
 use turbopack_binding::turbopack::{
     core::{
@@ -33,15 +33,15 @@ use crate::{
 };
 
 pub struct LoaderTreeBuilder {
-    inner_assets: IndexMap<String, Vc<Box<dyn Module>>>,
+    inner_assets: IndexMap<RcStr, Vc<Box<dyn Module>>>,
     counter: usize,
-    imports: Vec<String>,
+    imports: Vec<RcStr>,
     loader_tree_code: String,
     context: Vc<ModuleAssetContext>,
     server_component_transition: Vc<Box<dyn Transition>>,
     pages: Vec<Vc<FileSystemPath>>,
     /// next.config.js' basePath option to construct og metadata.
-    base_path: Option<String>,
+    base_path: Option<RcStr>,
 }
 
 #[derive(Clone, Copy, Debug, PartialEq, Eq)]
@@ -73,7 +73,7 @@ impl LoaderTreeBuilder {
     fn new(
         context: Vc<ModuleAssetContext>,
         server_component_transition: Vc<Box<dyn Transition>>,
-        base_path: Option<String>,
+        base_path: Option<RcStr>,
     ) -> Self {
         LoaderTreeBuilder {
             inner_assets: IndexMap::new(),
@@ -123,15 +123,19 @@ impl LoaderTreeBuilder {
                 path = StringifyJs(&module.ident().path().to_string().await?)
             )?;
 
-            self.imports.push(formatdoc!(
-                r#"
+            self.imports.push(
+                formatdoc!(
+                    r#"
                     import {} from "COMPONENT_{}";
                     "#,
-                identifier,
-                i
-            ));
+                    identifier,
+                    i
+                )
+                .into(),
+            );
 
-            self.inner_assets.insert(format!("COMPONENT_{i}"), module);
+            self.inner_assets
+                .insert(format!("COMPONENT_{i}").into(), module);
         }
         Ok(())
     }
@@ -240,12 +244,12 @@ impl LoaderTreeBuilder {
                 let inner_module_id = format!("METADATA_{i}");
 
                 self.imports
-                    .push(format!("import {identifier} from \"{inner_module_id}\";"));
+                    .push(format!("import {identifier} from \"{inner_module_id}\";").into());
 
                 let source = dynamic_image_metadata_source(
                     Vc::upcast(self.context),
                     *path,
-                    name.to_string(),
+                    name.into(),
                     app_page.clone(),
                 );
 
@@ -258,7 +262,7 @@ impl LoaderTreeBuilder {
                         )),
                     )
                     .module();
-                self.inner_assets.insert(inner_module_id, module);
+                self.inner_assets.insert(inner_module_id.into(), module);
 
                 let s = "      ";
                 writeln!(self.loader_tree_code, "{s}{identifier},")?;
@@ -279,18 +283,18 @@ impl LoaderTreeBuilder {
 
         let identifier = magic_identifier::mangle(&format!("{name} #{i}"));
         let inner_module_id = format!("METADATA_{i}");
-        let helper_import = "import { fillMetadataSegment } from \
-                             \"next/dist/lib/metadata/get-metadata-route\""
-            .to_string();
+        let helper_import: RcStr = "import { fillMetadataSegment } from \
+                                    \"next/dist/lib/metadata/get-metadata-route\""
+            .into();
 
         if !self.imports.contains(&helper_import) {
             self.imports.push(helper_import);
         }
 
         self.imports
-            .push(format!("import {identifier} from \"{inner_module_id}\";"));
+            .push(format!("import {identifier} from \"{inner_module_id}\";").into());
         self.inner_assets.insert(
-            inner_module_id,
+            inner_module_id.into(),
             Vc::upcast(StructuredImageModuleType::create_module(
                 Vc::upcast(FileSource::new(path)),
                 BlurPlaceholderMode::None,
@@ -332,7 +336,7 @@ impl LoaderTreeBuilder {
             let identifier = magic_identifier::mangle(&format!("{name} alt text #{i}"));
             let inner_module_id = format!("METADATA_ALT_{i}");
             self.imports
-                .push(format!("import {identifier} from \"{inner_module_id}\";"));
+                .push(format!("import {identifier} from \"{inner_module_id}\";").into());
             let module = self
                 .context
                 .process(
@@ -342,7 +346,7 @@ impl LoaderTreeBuilder {
                     Value::new(ReferenceType::Internal(InnerAssets::empty())),
                 )
                 .module();
-            self.inner_assets.insert(inner_module_id, module);
+            self.inner_assets.insert(inner_module_id.into(), module);
 
             writeln!(self.loader_tree_code, "{s}  alt: {identifier},")?;
         }
@@ -425,7 +429,7 @@ impl LoaderTreeBuilder {
         self.walk_tree(loader_tree, true).await?;
         Ok(LoaderTreeModule {
             imports: self.imports,
-            loader_tree_code: self.loader_tree_code,
+            loader_tree_code: self.loader_tree_code.into(),
             inner_assets: self.inner_assets,
             pages: self.pages,
         })
@@ -433,9 +437,9 @@ impl LoaderTreeBuilder {
 }
 
 pub struct LoaderTreeModule {
-    pub imports: Vec<String>,
-    pub loader_tree_code: String,
-    pub inner_assets: IndexMap<String, Vc<Box<dyn Module>>>,
+    pub imports: Vec<RcStr>,
+    pub loader_tree_code: RcStr,
+    pub inner_assets: IndexMap<RcStr, Vc<Box<dyn Module>>>,
     pub pages: Vec<Vc<FileSystemPath>>,
 }
 
@@ -444,7 +448,7 @@ impl LoaderTreeModule {
         loader_tree: Vc<LoaderTree>,
         context: Vc<ModuleAssetContext>,
         server_component_transition: Vc<Box<dyn Transition>>,
-        base_path: Option<String>,
+        base_path: Option<RcStr>,
     ) -> Result<Self> {
         LoaderTreeBuilder::new(context, server_component_transition, base_path)
             .build(loader_tree)
diff --git a/packages/next-swc/crates/next-core/src/middleware.rs b/packages/next-swc/crates/next-core/src/middleware.rs
index 92ff48c07dfb8..ccdcb87f69383 100644
--- a/packages/next-swc/crates/next-core/src/middleware.rs
+++ b/packages/next-swc/crates/next-core/src/middleware.rs
@@ -1,6 +1,6 @@
 use anyhow::Result;
 use indexmap::indexmap;
-use turbo_tasks::{Value, Vc};
+use turbo_tasks::{RcStr, Value, Vc};
 use turbo_tasks_fs::FileSystemPath;
 use turbopack_binding::turbopack::core::{
     context::AssetContext, module::Module, reference_type::ReferenceType,
@@ -9,7 +9,7 @@ use turbopack_binding::turbopack::core::{
 use crate::util::load_next_js_template;
 
 #[turbo_tasks::function]
-pub async fn middleware_files(page_extensions: Vc<Vec<String>>) -> Result<Vc<Vec<String>>> {
+pub async fn middleware_files(page_extensions: Vc<Vec<RcStr>>) -> Result<Vc<Vec<RcStr>>> {
     let extensions = page_extensions.await?;
     let files = ["middleware.", "src/middleware."]
         .into_iter()
@@ -17,6 +17,7 @@ pub async fn middleware_files(page_extensions: Vc<Vec<String>>) -> Result<Vc<Vec
             extensions
                 .iter()
                 .map(move |ext| String::from(f) + ext.as_str())
+                .map(RcStr::from)
         })
         .collect();
     Ok(Vc::cell(files))
@@ -35,8 +36,8 @@ pub async fn get_middleware_module(
         "middleware.js",
         project_root,
         indexmap! {
-            "VAR_USERLAND" => INNER.to_string(),
-            "VAR_DEFINITION_PAGE" => "/middleware".to_string(),
+            "VAR_USERLAND" => INNER.into(),
+            "VAR_DEFINITION_PAGE" => "/middleware".into(),
         },
         indexmap! {},
         indexmap! {},
@@ -44,7 +45,7 @@ pub async fn get_middleware_module(
     .await?;
 
     let inner_assets = indexmap! {
-        INNER.to_string() => userland_module
+        INNER.into() => userland_module
     };
 
     let module = context
diff --git a/packages/next-swc/crates/next-core/src/next_app/app_client_references_chunks.rs b/packages/next-swc/crates/next-core/src/next_app/app_client_references_chunks.rs
index 19f9f9762fa4b..abf1ee0235757 100644
--- a/packages/next-swc/crates/next-core/src/next_app/app_client_references_chunks.rs
+++ b/packages/next-swc/crates/next-core/src/next_app/app_client_references_chunks.rs
@@ -1,7 +1,7 @@
 use anyhow::Result;
 use indexmap::IndexMap;
 use tracing::Instrument;
-use turbo_tasks::{TryFlatJoinIterExt, TryJoinIterExt, Value, ValueToString, Vc};
+use turbo_tasks::{RcStr, TryFlatJoinIterExt, TryJoinIterExt, Value, ValueToString, Vc};
 use turbopack_binding::turbopack::core::{
     chunk::{availability_info::AvailabilityInfo, ChunkingContext, ChunkingContextExt},
     module::Module,
@@ -18,13 +18,13 @@ use crate::{
 };
 
 #[turbo_tasks::function]
-fn client_modules_modifier() -> Vc<String> {
-    Vc::cell("client modules".to_string())
+fn client_modules_modifier() -> Vc<RcStr> {
+    Vc::cell("client modules".into())
 }
 
 #[turbo_tasks::function]
-fn client_modules_ssr_modifier() -> Vc<String> {
-    Vc::cell("client modules ssr".to_string())
+fn client_modules_ssr_modifier() -> Vc<RcStr> {
+    Vc::cell("client modules ssr".into())
 }
 
 #[turbo_tasks::value]
diff --git a/packages/next-swc/crates/next-core/src/next_app/app_entry.rs b/packages/next-swc/crates/next-core/src/next_app/app_entry.rs
index 3f00106a12224..444717924fb4d 100644
--- a/packages/next-swc/crates/next-core/src/next_app/app_entry.rs
+++ b/packages/next-swc/crates/next-core/src/next_app/app_entry.rs
@@ -1,4 +1,4 @@
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 use turbopack_binding::turbopack::ecmascript::chunk::EcmascriptChunkPlaceable;
 
 use crate::app_segment_config::NextSegmentConfig;
@@ -7,10 +7,10 @@ use crate::app_segment_config::NextSegmentConfig;
 #[turbo_tasks::value(shared)]
 pub struct AppEntry {
     /// The pathname of the route or page.
-    pub pathname: String,
+    pub pathname: RcStr,
     /// The original Next.js name of the route or page. This is used instead of
     /// the pathname to refer to this entry.
-    pub original_name: String,
+    pub original_name: RcStr,
     /// The RSC module asset for the route or page.
     pub rsc_entry: Vc<Box<dyn EcmascriptChunkPlaceable>>,
     /// The source code config for this entry.
diff --git a/packages/next-swc/crates/next-core/src/next_app/app_page_entry.rs b/packages/next-swc/crates/next-core/src/next_app/app_page_entry.rs
index 77f4a1b14857c..1305d4346ca58 100644
--- a/packages/next-swc/crates/next-core/src/next_app/app_page_entry.rs
+++ b/packages/next-swc/crates/next-core/src/next_app/app_page_entry.rs
@@ -2,7 +2,7 @@ use std::io::Write;
 
 use anyhow::{bail, Result};
 use indexmap::indexmap;
-use turbo_tasks::{TryJoinIterExt, Value, ValueToString, Vc};
+use turbo_tasks::{RcStr, TryJoinIterExt, Value, ValueToString, Vc};
 use turbopack_binding::{
     turbo::tasks_fs::{rope::RopeBuilder, File, FileSystemPath},
     turbopack::{
@@ -71,25 +71,25 @@ pub async fn get_app_page_entry(
 
     let pages = pages.iter().map(|page| page.to_string()).try_join().await?;
 
-    let original_name = page.to_string();
-    let pathname = AppPath::from(page.clone()).to_string();
+    let original_name: RcStr = page.to_string().into();
+    let pathname: RcStr = AppPath::from(page.clone()).to_string().into();
 
     // Load the file from the next.js codebase.
     let source = load_next_js_template(
         "app-page.js",
         project_root,
         indexmap! {
-            "VAR_DEFINITION_PAGE" => page.to_string(),
+            "VAR_DEFINITION_PAGE" => page.to_string().into(),
             "VAR_DEFINITION_PATHNAME" => pathname.clone(),
             "VAR_ORIGINAL_PATHNAME" => original_name.clone(),
             // TODO(alexkirsz) Support custom global error.
-            "VAR_MODULE_GLOBAL_ERROR" => "next/dist/client/components/error-boundary".to_string(),
+            "VAR_MODULE_GLOBAL_ERROR" => "next/dist/client/components/error-boundary".into(),
         },
         indexmap! {
             "tree" => loader_tree_code,
-            "pages" => StringifyJs(&pages).to_string(),
-            "__next_app_require__" => "__turbopack_require__".to_string(),
-            "__next_app_load_chunk__" => " __turbopack_load__".to_string(),
+            "pages" => StringifyJs(&pages).to_string().into(),
+            "__next_app_require__" => "__turbopack_require__".into(),
+            "__next_app_load_chunk__" => " __turbopack_load__".into(),
         },
         indexmap! {},
     )
@@ -103,7 +103,9 @@ pub async fn get_app_page_entry(
 
     let file = File::from(result.build());
     let source = VirtualSource::new_with_ident(
-        source.ident().with_query(Vc::cell(query.to_string())),
+        source
+            .ident()
+            .with_query(Vc::cell(query.to_string().into())),
         AssetContent::file(file.into()),
     );
 
@@ -171,15 +173,15 @@ async fn wrap_edge_page(
         "edge-ssr-app.js",
         project_root,
         indexmap! {
-            "VAR_USERLAND" => INNER.to_string(),
-            "VAR_PAGE" => page.to_string(),
+            "VAR_USERLAND" => INNER.into(),
+            "VAR_PAGE" => page.to_string().into(),
         },
         indexmap! {
-            "sriEnabled" => serde_json::Value::Bool(sri_enabled).to_string(),
-            "nextConfig" => serde_json::to_string(next_config)?,
-            "isServerComponent" => serde_json::Value::Bool(is_server_component).to_string(),
-            "dev" => serde_json::Value::Bool(dev).to_string(),
-            "serverActions" => serde_json::to_string(&server_actions)?
+            "sriEnabled" => serde_json::Value::Bool(sri_enabled).to_string().into(),
+            "nextConfig" => serde_json::to_string(next_config)?.into(),
+            "isServerComponent" => serde_json::Value::Bool(is_server_component).to_string().into(),
+            "dev" => serde_json::Value::Bool(dev).to_string().into(),
+            "serverActions" => serde_json::to_string(&server_actions)?.into(),
         },
         indexmap! {
             "incrementalCacheHandler" => None,
@@ -188,7 +190,7 @@ async fn wrap_edge_page(
     .await?;
 
     let inner_assets = indexmap! {
-        INNER.to_string() => entry
+        INNER.into() => entry
     };
 
     let wrapped = context
@@ -202,6 +204,6 @@ async fn wrap_edge_page(
         context,
         project_root,
         wrapped,
-        AppPath::from(page).to_string(),
+        AppPath::from(page).to_string().into(),
     ))
 }
diff --git a/packages/next-swc/crates/next-core/src/next_app/app_route_entry.rs b/packages/next-swc/crates/next-core/src/next_app/app_route_entry.rs
index 3031fbab4cafc..1114043a4bed1 100644
--- a/packages/next-swc/crates/next-core/src/next_app/app_route_entry.rs
+++ b/packages/next-swc/crates/next-core/src/next_app/app_route_entry.rs
@@ -1,6 +1,6 @@
 use anyhow::{bail, Result};
 use indexmap::indexmap;
-use turbo_tasks::{Value, ValueToString, Vc};
+use turbo_tasks::{RcStr, Value, ValueToString, Vc};
 use turbopack_binding::{
     turbo::tasks_fs::FileSystemPath,
     turbopack::{
@@ -57,14 +57,14 @@ pub async fn get_app_route_entry(
         nodejs_context
     };
 
-    let original_name = page.to_string();
-    let pathname = AppPath::from(page.clone()).to_string();
+    let original_name: RcStr = page.to_string().into();
+    let pathname: RcStr = AppPath::from(page.clone()).to_string().into();
 
     let path = source.ident().path();
 
     const INNER: &str = "INNER_APP_ROUTE";
 
-    let output_type = next_config
+    let output_type: RcStr = next_config
         .await?
         .output
         .as_ref()
@@ -72,21 +72,22 @@ pub async fn get_app_route_entry(
             OutputType::Standalone => "\"standalone\"".to_string(),
             OutputType::Export => "\"export\"".to_string(),
         })
-        .unwrap_or_else(|| "\"\"".to_string());
+        .map(RcStr::from)
+        .unwrap_or_else(|| "\"\"".into());
 
     // Load the file from the next.js codebase.
     let virtual_source = load_next_js_template(
         "app-route.js",
         project_root,
         indexmap! {
-            "VAR_DEFINITION_PAGE" => page.to_string(),
+            "VAR_DEFINITION_PAGE" => page.to_string().into(),
             "VAR_DEFINITION_PATHNAME" => pathname.clone(),
-            "VAR_DEFINITION_FILENAME" => path.file_stem().await?.as_ref().unwrap().clone(),
+            "VAR_DEFINITION_FILENAME" => path.file_stem().await?.as_ref().unwrap().as_str().into(),
             // TODO(alexkirsz) Is this necessary?
-            "VAR_DEFINITION_BUNDLE_PATH" => "".to_string(),
+            "VAR_DEFINITION_BUNDLE_PATH" => "".into(),
             "VAR_ORIGINAL_PATHNAME" => original_name.clone(),
             "VAR_RESOLVED_PAGE_PATH" => path.to_string().await?.clone_value(),
-            "VAR_USERLAND" => INNER.to_string(),
+            "VAR_USERLAND" => INNER.into(),
         },
         indexmap! {
             "nextConfigOutput" => output_type
@@ -103,7 +104,7 @@ pub async fn get_app_route_entry(
         .module();
 
     let inner_assets = indexmap! {
-        INNER.to_string() => userland_module
+        INNER.into() => userland_module
     };
 
     let mut rsc_entry = context
@@ -142,7 +143,7 @@ async fn wrap_edge_route(
     context: Vc<Box<dyn AssetContext>>,
     project_root: Vc<FileSystemPath>,
     entry: Vc<Box<dyn Module>>,
-    pathname: String,
+    pathname: RcStr,
 ) -> Result<Vc<Box<dyn Module>>> {
     const INNER: &str = "INNER_ROUTE_ENTRY";
 
@@ -150,7 +151,7 @@ async fn wrap_edge_route(
         "edge-app-route.js",
         project_root,
         indexmap! {
-            "VAR_USERLAND" => INNER.to_string(),
+            "VAR_USERLAND" => INNER.into(),
         },
         indexmap! {},
         indexmap! {},
@@ -158,7 +159,7 @@ async fn wrap_edge_route(
     .await?;
 
     let inner_assets = indexmap! {
-        INNER.to_string() => entry
+        INNER.into() => entry
     };
 
     let wrapped = context
diff --git a/packages/next-swc/crates/next-core/src/next_app/include_modules_module.rs b/packages/next-swc/crates/next-core/src/next_app/include_modules_module.rs
index 9efd893388144..f1aeceb954672 100644
--- a/packages/next-swc/crates/next-core/src/next_app/include_modules_module.rs
+++ b/packages/next-swc/crates/next-core/src/next_app/include_modules_module.rs
@@ -1,5 +1,5 @@
 use anyhow::Result;
-use turbo_tasks::{TryJoinIterExt, ValueToString, Vc};
+use turbo_tasks::{RcStr, TryJoinIterExt, ValueToString, Vc};
 use turbo_tasks_fs::glob::Glob;
 use turbopack_binding::turbopack::{
     core::{
@@ -159,8 +159,8 @@ impl IncludedModuleReference {
 #[turbo_tasks::value_impl]
 impl ValueToString for IncludedModuleReference {
     #[turbo_tasks::function]
-    fn to_string(&self) -> Vc<String> {
-        Vc::cell("module".to_string())
+    fn to_string(&self) -> Vc<RcStr> {
+        Vc::cell("module".into())
     }
 }
 
diff --git a/packages/next-swc/crates/next-core/src/next_app/metadata/image.rs b/packages/next-swc/crates/next-core/src/next_app/metadata/image.rs
index 888252b8623ea..b0be2829a97ae 100644
--- a/packages/next-swc/crates/next-core/src/next_app/metadata/image.rs
+++ b/packages/next-swc/crates/next-core/src/next_app/metadata/image.rs
@@ -4,7 +4,7 @@
 
 use anyhow::{bail, Result};
 use indoc::formatdoc;
-use turbo_tasks::{ValueToString, Vc};
+use turbo_tasks::{RcStr, ValueToString, Vc};
 use turbo_tasks_fs::{File, FileContent, FileSystemPath};
 use turbopack_binding::{
     turbo::tasks_hash::hash_xxh3_hash64,
@@ -46,7 +46,7 @@ async fn hash_file_content(path: Vc<FileSystemPath>) -> Result<u64> {
 pub async fn dynamic_image_metadata_source(
     asset_context: Vc<Box<dyn AssetContext>>,
     path: Vc<FileSystemPath>,
-    ty: String,
+    ty: RcStr,
     page: AppPage,
 ) -> Result<Vc<Box<dyn Source>>> {
     let stem = path.file_stem().await?;
@@ -126,7 +126,7 @@ pub async fn dynamic_image_metadata_source(
 
     let file = File::from(code);
     let source = VirtualSource::new(
-        path.parent().join(format!("{stem}--metadata.js")),
+        path.parent().join(format!("{stem}--metadata.js").into()),
         AssetContent::file(file.into()),
     );
 
@@ -134,7 +134,7 @@ pub async fn dynamic_image_metadata_source(
 }
 
 #[turbo_tasks::function]
-async fn collect_direct_exports(module: Vc<Box<dyn Module>>) -> Result<Vc<Vec<String>>> {
+async fn collect_direct_exports(module: Vc<Box<dyn Module>>) -> Result<Vc<Vec<RcStr>>> {
     let Some(ecmascript_asset) =
         Vc::try_resolve_downcast_type::<EcmascriptModuleAsset>(module).await?
     else {
diff --git a/packages/next-swc/crates/next-core/src/next_app/metadata/mod.rs b/packages/next-swc/crates/next-core/src/next_app/metadata/mod.rs
index c8bce94a78834..ac35312e3a235 100644
--- a/packages/next-swc/crates/next-core/src/next_app/metadata/mod.rs
+++ b/packages/next-swc/crates/next-core/src/next_app/metadata/mod.rs
@@ -2,7 +2,7 @@ use std::{collections::HashMap, ops::Deref};
 
 use anyhow::Result;
 use once_cell::sync::Lazy;
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 use turbo_tasks_fs::FileSystemPath;
 
 use crate::next_app::{AppPage, PageSegment, PageType};
@@ -50,7 +50,7 @@ fn match_numbered_metadata(stem: &str) -> Option<(&str, &str)> {
 
 fn match_metadata_file<'a>(
     filename: &'a str,
-    page_extensions: &[String],
+    page_extensions: &[RcStr],
     metadata: &HashMap<&str, &[&str]>,
 ) -> Option<MetadataFileMatch<'a>> {
     let (stem, ext) = filename.split_once('.')?;
@@ -115,7 +115,7 @@ pub(crate) async fn get_content_type(path: Vc<FileSystemPath>) -> Result<String>
 
 pub fn match_local_metadata_file<'a>(
     basename: &'a str,
-    page_extensions: &[String],
+    page_extensions: &[RcStr],
 ) -> Option<MetadataFileMatch<'a>> {
     match_metadata_file(basename, page_extensions, STATIC_LOCAL_METADATA.deref())
 }
@@ -127,7 +127,7 @@ pub struct GlobalMetadataFileMatch<'a> {
 
 pub fn match_global_metadata_file<'a>(
     basename: &'a str,
-    page_extensions: &[String],
+    page_extensions: &[RcStr],
 ) -> Option<GlobalMetadataFileMatch<'a>> {
     match_metadata_file(basename, page_extensions, STATIC_GLOBAL_METADATA.deref()).map(|m| {
         GlobalMetadataFileMatch {
@@ -183,7 +183,7 @@ fn file_stem(path: &str) -> &str {
 /// /favicon, /manifest, use to match dynamic API routes like app/robots.ts.
 pub fn is_metadata_route_file(
     app_dir_relative_path: &str,
-    page_extensions: &[String],
+    page_extensions: &[RcStr],
     with_extension: bool,
 ) -> bool {
     let (dir, filename) = split_directory(app_dir_relative_path);
@@ -326,17 +326,20 @@ pub fn normalize_metadata_route(mut page: AppPage) -> Result<AppPage> {
 
         page.0.pop();
 
-        page.push(PageSegment::Static(format!(
-            "{}{}{}",
-            base_name,
-            suffix
-                .map(|suffix| format!("-{suffix}"))
-                .unwrap_or_default(),
-            ext.map(|ext| format!(".{ext}")).unwrap_or_default(),
-        )))?;
+        page.push(PageSegment::Static(
+            format!(
+                "{}{}{}",
+                base_name,
+                suffix
+                    .map(|suffix| format!("-{suffix}"))
+                    .unwrap_or_default(),
+                ext.map(|ext| format!(".{ext}")).unwrap_or_default(),
+            )
+            .into(),
+        ))?;
 
         if !is_static_route {
-            page.push(PageSegment::OptionalCatchAll("__metadata_id__".to_string()))?;
+            page.push(PageSegment::OptionalCatchAll("__metadata_id__".into()))?;
         }
 
         page.push(PageSegment::PageType(PageType::Route))?;
diff --git a/packages/next-swc/crates/next-core/src/next_app/metadata/route.rs b/packages/next-swc/crates/next-core/src/next_app/metadata/route.rs
index 251ccf5e99bc5..7227f34bdce9d 100644
--- a/packages/next-swc/crates/next-core/src/next_app/metadata/route.rs
+++ b/packages/next-swc/crates/next-core/src/next_app/metadata/route.rs
@@ -145,7 +145,7 @@ async fn static_route_source(
 
     let file = File::from(code);
     let source = VirtualSource::new(
-        path.parent().join(format!("{stem}--route-entry.js")),
+        path.parent().join(format!("{stem}--route-entry.js").into()),
         AssetContent::file(file.into()),
     );
 
@@ -197,7 +197,7 @@ async fn dynamic_text_route_source(path: Vc<FileSystemPath>) -> Result<Vc<Box<dy
 
     let file = File::from(code);
     let source = VirtualSource::new(
-        path.parent().join(format!("{stem}--route-entry.js")),
+        path.parent().join(format!("{stem}--route-entry.js").into()),
         AssetContent::file(file.into()),
     );
 
@@ -218,8 +218,7 @@ async fn dynamic_site_map_route_source(
 
     let mut static_generation_code = "";
 
-    if mode.is_production() && page.contains(&PageSegment::Dynamic("[__metadata_id__]".to_string()))
-    {
+    if mode.is_production() && page.contains(&PageSegment::Dynamic("[__metadata_id__]".into())) {
         static_generation_code = indoc! {
             r#"
                 export async function generateStaticParams() {
@@ -297,7 +296,7 @@ async fn dynamic_site_map_route_source(
 
     let file = File::from(code);
     let source = VirtualSource::new(
-        path.parent().join(format!("{stem}--route-entry.js")),
+        path.parent().join(format!("{stem}--route-entry.js").into()),
         AssetContent::file(file.into()),
     );
 
@@ -355,7 +354,7 @@ async fn dynamic_image_route_source(path: Vc<FileSystemPath>) -> Result<Vc<Box<d
 
     let file = File::from(code);
     let source = VirtualSource::new(
-        path.parent().join(format!("{stem}--route-entry.js")),
+        path.parent().join(format!("{stem}--route-entry.js").into()),
         AssetContent::file(file.into()),
     );
 
diff --git a/packages/next-swc/crates/next-core/src/next_app/mod.rs b/packages/next-swc/crates/next-core/src/next_app/mod.rs
index 9ee6dced2d91e..4462dc2c79929 100644
--- a/packages/next-swc/crates/next-core/src/next_app/mod.rs
+++ b/packages/next-swc/crates/next-core/src/next_app/mod.rs
@@ -14,7 +14,7 @@ use std::{
 
 use anyhow::{bail, Result};
 use serde::{Deserialize, Serialize};
-use turbo_tasks::{trace::TraceRawVcs, TaskInput};
+use turbo_tasks::{trace::TraceRawVcs, RcStr, TaskInput};
 
 pub use crate::next_app::{
     app_client_references_chunks::{get_app_client_references_chunks, ClientReferencesChunks},
@@ -40,17 +40,17 @@ pub use crate::next_app::{
 )]
 pub enum PageSegment {
     /// e.g. `/dashboard`
-    Static(String),
+    Static(RcStr),
     /// e.g. `/[id]`
-    Dynamic(String),
+    Dynamic(RcStr),
     /// e.g. `/[...slug]`
-    CatchAll(String),
+    CatchAll(RcStr),
     /// e.g. `/[[...slug]]`
-    OptionalCatchAll(String),
+    OptionalCatchAll(RcStr),
     /// e.g. `/(shop)`
-    Group(String),
+    Group(RcStr),
     /// e.g. `/@auth`
-    Parallel(String),
+    Parallel(RcStr),
     /// The final page type appended. (e.g. `/dashboard/page`,
     /// `/api/hello/route`)
     PageType(PageType),
@@ -67,32 +67,32 @@ impl PageSegment {
         }
 
         if let Some(s) = segment.strip_prefix('(').and_then(|s| s.strip_suffix(')')) {
-            return Ok(PageSegment::Group(s.to_string()));
+            return Ok(PageSegment::Group(s.into()));
         }
 
         if let Some(s) = segment.strip_prefix('@') {
-            return Ok(PageSegment::Parallel(s.to_string()));
+            return Ok(PageSegment::Parallel(s.into()));
         }
 
         if let Some(s) = segment
             .strip_prefix("[[...")
             .and_then(|s| s.strip_suffix("]]"))
         {
-            return Ok(PageSegment::OptionalCatchAll(s.to_string()));
+            return Ok(PageSegment::OptionalCatchAll(s.into()));
         }
 
         if let Some(s) = segment
             .strip_prefix("[...")
             .and_then(|s| s.strip_suffix(']'))
         {
-            return Ok(PageSegment::CatchAll(s.to_string()));
+            return Ok(PageSegment::CatchAll(s.into()));
         }
 
         if let Some(s) = segment.strip_prefix('[').and_then(|s| s.strip_suffix(']')) {
-            return Ok(PageSegment::Dynamic(s.to_string()));
+            return Ok(PageSegment::Dynamic(s.into()));
         }
 
-        Ok(PageSegment::Static(segment.to_string()))
+        Ok(PageSegment::Static(segment.into()))
     }
 }
 
@@ -308,13 +308,13 @@ impl PartialOrd for AppPage {
 )]
 pub enum PathSegment {
     /// e.g. `/dashboard`
-    Static(String),
+    Static(RcStr),
     /// e.g. `/[id]`
-    Dynamic(String),
+    Dynamic(RcStr),
     /// e.g. `/[...slug]`
-    CatchAll(String),
+    CatchAll(RcStr),
     /// e.g. `/[[...slug]]`
-    OptionalCatchAll(String),
+    OptionalCatchAll(RcStr),
 }
 
 impl Display for PathSegment {
diff --git a/packages/next-swc/crates/next-core/src/next_build.rs b/packages/next-swc/crates/next-core/src/next_build.rs
index 52d5c4b7be242..ef8eec1d23dbb 100644
--- a/packages/next-swc/crates/next-core/src/next_build.rs
+++ b/packages/next-swc/crates/next-core/src/next_build.rs
@@ -1,5 +1,5 @@
 use anyhow::Result;
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 use turbopack_binding::{
     turbo::tasks_fs::FileSystemPath,
     turbopack::core::resolve::{options::ImportMapping, ExternalType},
@@ -13,22 +13,19 @@ pub async fn get_postcss_package_mapping(
 ) -> Result<Vc<ImportMapping>> {
     Ok(ImportMapping::Alternatives(vec![
         // Prefer the local installed version over the next.js version
-        ImportMapping::PrimaryAlternative("postcss".to_string(), Some(project_path)).cell(),
-        ImportMapping::PrimaryAlternative(
-            "postcss".to_string(),
-            Some(get_next_package(project_path)),
-        )
-        .cell(),
+        ImportMapping::PrimaryAlternative("postcss".into(), Some(project_path)).cell(),
+        ImportMapping::PrimaryAlternative("postcss".into(), Some(get_next_package(project_path)))
+            .cell(),
     ])
     .cell())
 }
 
 #[turbo_tasks::function]
 pub async fn get_external_next_compiled_package_mapping(
-    package_name: Vc<String>,
+    package_name: Vc<RcStr>,
 ) -> Result<Vc<ImportMapping>> {
     Ok(ImportMapping::Alternatives(vec![ImportMapping::External(
-        Some(format!("next/dist/compiled/{}", &*package_name.await?)),
+        Some(format!("next/dist/compiled/{}", &*package_name.await?).into()),
         ExternalType::CommonJs,
     )
     .into()])
diff --git a/packages/next-swc/crates/next-core/src/next_client/context.rs b/packages/next-swc/crates/next-core/src/next_client/context.rs
index 797e182a2de89..2df977caca867 100644
--- a/packages/next-swc/crates/next-core/src/next_client/context.rs
+++ b/packages/next-swc/crates/next-core/src/next_client/context.rs
@@ -2,7 +2,7 @@ use std::iter::once;
 
 use anyhow::Result;
 use indexmap::IndexMap;
-use turbo_tasks::{Value, Vc};
+use turbo_tasks::{RcStr, Value, Vc};
 use turbo_tasks_fs::FileSystem;
 use turbopack_binding::{
     turbo::{tasks_env::EnvMap, tasks_fs::FileSystemPath},
@@ -66,17 +66,17 @@ use crate::{
     util::foreign_code_context_condition,
 };
 
-fn defines(define_env: &IndexMap<String, String>) -> CompileTimeDefines {
+fn defines(define_env: &IndexMap<RcStr, RcStr>) -> CompileTimeDefines {
     let mut defines = IndexMap::new();
 
     for (k, v) in define_env {
         defines
-            .entry(k.split('.').map(|s| s.to_string()).collect::<Vec<String>>())
+            .entry(k.split('.').map(|s| s.into()).collect::<Vec<RcStr>>())
             .or_insert_with(|| {
                 let val = serde_json::from_str(v);
                 match val {
                     Ok(serde_json::Value::Bool(v)) => CompileTimeDefineValue::Bool(v),
-                    Ok(serde_json::Value::String(v)) => CompileTimeDefineValue::String(v),
+                    Ok(serde_json::Value::String(v)) => CompileTimeDefineValue::String(v.into()),
                     _ => CompileTimeDefineValue::JSON(v.clone()),
                 }
             });
@@ -95,14 +95,14 @@ async fn next_client_free_vars(define_env: Vc<EnvMap>) -> Result<Vc<FreeVarRefer
     Ok(free_var_references!(
         ..defines(&*define_env.await?).into_iter(),
         Buffer = FreeVarReference::EcmaScriptModule {
-            request: "node:buffer".to_string(),
+            request: "node:buffer".into(),
             lookup_path: None,
-            export: Some("Buffer".to_string()),
+            export: Some("Buffer".into()),
         },
         process = FreeVarReference::EcmaScriptModule {
-            request: "node:process".to_string(),
+            request: "node:process".into(),
             lookup_path: None,
-            export: Some("default".to_string()),
+            export: Some("default".into()),
         }
     )
     .cell())
@@ -110,7 +110,7 @@ async fn next_client_free_vars(define_env: Vc<EnvMap>) -> Result<Vc<FreeVarRefer
 
 #[turbo_tasks::function]
 pub fn get_client_compile_time_info(
-    browserslist_query: String,
+    browserslist_query: RcStr,
     define_env: Vc<EnvMap>,
 ) -> Vc<CompileTimeInfo> {
     CompileTimeInfo::builder(Environment::new(Value::new(ExecutionEnvironment::Browser(
@@ -149,7 +149,7 @@ pub async fn get_client_resolve_options_context(
     let next_client_fallback_import_map = get_next_client_fallback_import_map(ty);
     let next_client_resolved_map =
         get_next_client_resolved_map(project_path, project_path, *mode.await?);
-    let custom_conditions = vec![mode.await?.condition().to_string()];
+    let custom_conditions = vec![mode.await?.condition().into()];
     let module_options_context = ResolveOptionsContext {
         enable_node_modules: Some(project_path.root().resolve().await?),
         custom_conditions,
@@ -218,7 +218,7 @@ pub async fn get_client_module_options_context(
     // foreign_code_context_condition. This allows to import codes from
     // node_modules that requires webpack loaders, which next-dev implicitly
     // does by default.
-    let conditions = vec!["browser".to_string(), mode.await?.condition().to_string()];
+    let conditions = vec!["browser".into(), mode.await?.condition().into()];
     let foreign_enable_webpack_loaders = webpack_loader_options(
         project_path,
         next_config,
@@ -226,7 +226,7 @@ pub async fn get_client_module_options_context(
         conditions
             .iter()
             .cloned()
-            .chain(once("foreign".to_string()))
+            .chain(once("foreign".into()))
             .collect(),
     )
     .await?;
@@ -326,7 +326,7 @@ pub async fn get_client_module_options_context(
 pub async fn get_client_chunking_context(
     project_path: Vc<FileSystemPath>,
     client_root: Vc<FileSystemPath>,
-    asset_prefix: Vc<Option<String>>,
+    asset_prefix: Vc<Option<RcStr>>,
     environment: Vc<Environment>,
     mode: Vc<NextMode>,
 ) -> Result<Vc<Box<dyn ChunkingContext>>> {
@@ -335,7 +335,7 @@ pub async fn get_client_chunking_context(
         project_path,
         client_root,
         client_root,
-        client_root.join("static/chunks".to_string()),
+        client_root.join("static/chunks".into()),
         get_client_assets_path(client_root),
         environment,
         next_mode.runtime_type(),
@@ -353,7 +353,7 @@ pub async fn get_client_chunking_context(
 
 #[turbo_tasks::function]
 pub fn get_client_assets_path(client_root: Vc<FileSystemPath>) -> Vc<FileSystemPath> {
-    client_root.join("static/media".to_string())
+    client_root.join("static/media".into())
 }
 
 #[turbo_tasks::function]
@@ -379,7 +379,7 @@ pub async fn get_client_runtime_entries(
         // functions to be available.
         if let Some(request) = enable_react_refresh {
             runtime_entries
-                .push(RuntimeEntry::Request(request, project_root.join("_".to_string())).cell())
+                .push(RuntimeEntry::Request(request, project_root.join("_".into())).cell())
         };
     }
 
@@ -387,9 +387,9 @@ pub async fn get_client_runtime_entries(
         runtime_entries.push(
             RuntimeEntry::Request(
                 Request::parse(Value::new(Pattern::Constant(
-                    "next/dist/client/app-next-turbopack.js".to_string(),
+                    "next/dist/client/app-next-turbopack.js".into(),
                 ))),
-                project_root.join("_".to_string()),
+                project_root.join("_".into()),
             )
             .cell(),
         );
diff --git a/packages/next-swc/crates/next-core/src/next_client_reference/css_client_reference/css_client_reference_module.rs b/packages/next-swc/crates/next-core/src/next_client_reference/css_client_reference/css_client_reference_module.rs
index af5fe7205b6f8..ad284d05912d6 100644
--- a/packages/next-swc/crates/next-core/src/next_client_reference/css_client_reference/css_client_reference_module.rs
+++ b/packages/next-swc/crates/next-core/src/next_client_reference/css_client_reference/css_client_reference_module.rs
@@ -1,5 +1,5 @@
 use anyhow::{bail, Context, Result};
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 use turbopack_binding::turbopack::{
     core::{
         asset::{Asset, AssetContent},
@@ -31,8 +31,8 @@ impl CssClientReferenceModule {
 }
 
 #[turbo_tasks::function]
-fn css_client_reference_modifier() -> Vc<String> {
-    Vc::cell("css client reference".to_string())
+fn css_client_reference_modifier() -> Vc<RcStr> {
+    Vc::cell("css client reference".into())
 }
 
 #[turbo_tasks::value_impl]
diff --git a/packages/next-swc/crates/next-core/src/next_client_reference/ecmascript_client_reference/ecmascript_client_reference_module.rs b/packages/next-swc/crates/next-core/src/next_client_reference/ecmascript_client_reference/ecmascript_client_reference_module.rs
index b5441e9e5e5c6..be2743dac817d 100644
--- a/packages/next-swc/crates/next-core/src/next_client_reference/ecmascript_client_reference/ecmascript_client_reference_module.rs
+++ b/packages/next-swc/crates/next-core/src/next_client_reference/ecmascript_client_reference/ecmascript_client_reference_module.rs
@@ -1,6 +1,6 @@
 #![allow(rustdoc::private_intra_doc_links)]
 use anyhow::{bail, Result};
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 use turbopack_binding::turbopack::{
     core::{
         asset::{Asset, AssetContent},
@@ -46,8 +46,8 @@ impl EcmascriptClientReferenceModule {
 }
 
 #[turbo_tasks::function]
-fn ecmascript_client_reference_modifier() -> Vc<String> {
-    Vc::cell("ecmascript client reference".to_string())
+fn ecmascript_client_reference_modifier() -> Vc<RcStr> {
+    Vc::cell("ecmascript client reference".into())
 }
 
 #[turbo_tasks::value_impl]
diff --git a/packages/next-swc/crates/next-core/src/next_client_reference/ecmascript_client_reference/ecmascript_client_reference_proxy_module.rs b/packages/next-swc/crates/next-core/src/next_client_reference/ecmascript_client_reference/ecmascript_client_reference_proxy_module.rs
index 4a79236b1ed2b..8d32e1498691a 100644
--- a/packages/next-swc/crates/next-core/src/next_client_reference/ecmascript_client_reference/ecmascript_client_reference_proxy_module.rs
+++ b/packages/next-swc/crates/next-core/src/next_client_reference/ecmascript_client_reference/ecmascript_client_reference_proxy_module.rs
@@ -2,7 +2,7 @@ use std::{io::Write, iter::once};
 
 use anyhow::{bail, Context, Result};
 use indoc::writedoc;
-use turbo_tasks::{Value, ValueToString, Vc};
+use turbo_tasks::{RcStr, Value, ValueToString, Vc};
 use turbo_tasks_fs::File;
 use turbopack_binding::turbopack::{
     core::{
@@ -143,7 +143,7 @@ impl EcmascriptClientReferenceProxyModule {
             AssetContent::file(File::from(code.source_code().clone()).into());
 
         let proxy_source = VirtualSource::new(
-            self.server_module_ident.path().join("proxy.js".to_string()),
+            self.server_module_ident.path().join("proxy.js".into()),
             proxy_module_content,
         );
 
@@ -253,13 +253,13 @@ struct ProxyModuleChunkItem {
 }
 
 #[turbo_tasks::function]
-fn client_proxy_modifier() -> Vc<String> {
-    Vc::cell("client proxy".to_string())
+fn client_proxy_modifier() -> Vc<RcStr> {
+    Vc::cell("client proxy".into())
 }
 
 #[turbo_tasks::function]
-fn client_reference_description() -> Vc<String> {
-    Vc::cell("client references".to_string())
+fn client_reference_description() -> Vc<RcStr> {
+    Vc::cell("client references".into())
 }
 
 #[turbo_tasks::value_impl]
diff --git a/packages/next-swc/crates/next-core/src/next_client_reference/ecmascript_client_reference/ecmascript_client_reference_transition.rs b/packages/next-swc/crates/next-core/src/next_client_reference/ecmascript_client_reference/ecmascript_client_reference_transition.rs
index 50015aec39396..1ae768f97d552 100644
--- a/packages/next-swc/crates/next-core/src/next_client_reference/ecmascript_client_reference/ecmascript_client_reference_transition.rs
+++ b/packages/next-swc/crates/next-core/src/next_client_reference/ecmascript_client_reference/ecmascript_client_reference_transition.rs
@@ -1,5 +1,5 @@
 use anyhow::{bail, Result};
-use turbo_tasks::{Value, Vc};
+use turbo_tasks::{RcStr, Value, Vc};
 use turbopack_binding::turbopack::{
     core::{
         context::ProcessResult,
@@ -40,7 +40,7 @@ impl NextEcmascriptClientReferenceTransition {
 #[turbo_tasks::value_impl]
 impl Transition for NextEcmascriptClientReferenceTransition {
     #[turbo_tasks::function]
-    fn process_layer(self: Vc<Self>, layer: Vc<String>) -> Vc<String> {
+    fn process_layer(self: Vc<Self>, layer: Vc<RcStr>) -> Vc<RcStr> {
         layer
     }
 
@@ -58,10 +58,12 @@ impl Transition for NextEcmascriptClientReferenceTransition {
         let ident = source.ident().await?;
         let ident_path = ident.path.await?;
         let client_source = if ident_path.path.contains("next/dist/esm/") {
-            let path = ident
-                .path
-                .root()
-                .join(ident_path.path.replace("next/dist/esm/", "next/dist/"));
+            let path = ident.path.root().join(
+                ident_path
+                    .path
+                    .replace("next/dist/esm/", "next/dist/")
+                    .into(),
+            );
             Vc::upcast(FileSource::new_with_query(path, ident.query))
         } else {
             source
diff --git a/packages/next-swc/crates/next-core/src/next_client_reference/visit_client_reference.rs b/packages/next-swc/crates/next-core/src/next_client_reference/visit_client_reference.rs
index 3abb30ce55b65..330e912d0904c 100644
--- a/packages/next-swc/crates/next-core/src/next_client_reference/visit_client_reference.rs
+++ b/packages/next-swc/crates/next-core/src/next_client_reference/visit_client_reference.rs
@@ -8,7 +8,7 @@ use turbo_tasks::{
     debug::ValueDebugFormat,
     graph::{AdjacencyMap, GraphTraversal, Visit, VisitControlFlow},
     trace::TraceRawVcs,
-    ReadRef, TryJoinIterExt, ValueToString, Vc,
+    RcStr, ReadRef, TryJoinIterExt, ValueToString, Vc,
 };
 use turbopack_binding::turbopack::core::{
     module::{Module, Modules},
@@ -170,9 +170,9 @@ struct VisitClientReferenceNode {
     Clone, Eq, PartialEq, Hash, Serialize, Deserialize, Debug, ValueDebugFormat, TraceRawVcs,
 )]
 enum VisitClientReferenceNodeType {
-    ClientReference(ClientReference, ReadRef<String>),
-    ServerComponentEntry(Vc<NextServerComponentModule>, ReadRef<String>),
-    Internal(Vc<Box<dyn Module>>, ReadRef<String>),
+    ClientReference(ClientReference, ReadRef<RcStr>),
+    ServerComponentEntry(Vc<NextServerComponentModule>, ReadRef<RcStr>),
+    Internal(Vc<Box<dyn Module>>, ReadRef<RcStr>),
 }
 
 impl Visit<VisitClientReferenceNode> for VisitClientReference {
@@ -269,13 +269,13 @@ impl Visit<VisitClientReferenceNode> for VisitClientReference {
     fn span(&mut self, node: &VisitClientReferenceNode) -> tracing::Span {
         match &node.ty {
             VisitClientReferenceNodeType::ClientReference(_, name) => {
-                tracing::info_span!("client reference", name = **name)
+                tracing::info_span!("client reference", name = name.to_string())
             }
             VisitClientReferenceNodeType::Internal(_, name) => {
-                tracing::info_span!("module", name = **name)
+                tracing::info_span!("module", name = name.to_string())
             }
             VisitClientReferenceNodeType::ServerComponentEntry(_, name) => {
-                tracing::info_span!("layout segment", name = **name)
+                tracing::info_span!("layout segment", name = name.to_string())
             }
         }
     }
diff --git a/packages/next-swc/crates/next-core/src/next_config.rs b/packages/next-swc/crates/next-core/src/next_config.rs
index 3d27d4a852427..f56eaf9cba204 100644
--- a/packages/next-swc/crates/next-core/src/next_config.rs
+++ b/packages/next-swc/crates/next-core/src/next_config.rs
@@ -4,7 +4,7 @@ use anyhow::{bail, Context, Result};
 use indexmap::IndexMap;
 use serde::{Deserialize, Deserializer, Serialize};
 use serde_json::Value as JsonValue;
-use turbo_tasks::{trace::TraceRawVcs, TaskInput, Vc};
+use turbo_tasks::{trace::TraceRawVcs, RcStr, TaskInput, Vc};
 use turbopack_binding::{
     turbo::{tasks_env::EnvMap, tasks_fs::FileSystemPath},
     turbopack::{
@@ -59,35 +59,34 @@ struct CustomRoutes {
 #[derive(Clone, Debug, Default, PartialEq, Serialize, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct NextConfig {
-    pub config_file: Option<String>,
-    pub config_file_name: String,
+    pub config_file: Option<RcStr>,
+    pub config_file_name: RcStr,
 
     /// In-memory cache size in bytes.
     ///
     /// If `cache_max_memory_size: 0` disables in-memory caching.
     pub cache_max_memory_size: Option<f64>,
     /// custom path to a cache handler to use
-    pub cache_handler: Option<String>,
+    pub cache_handler: Option<RcStr>,
 
     pub env: IndexMap<String, JsonValue>,
     pub experimental: ExperimentalConfig,
     pub images: ImageConfig,
-    pub page_extensions: Vec<String>,
+    pub page_extensions: Vec<RcStr>,
     pub react_strict_mode: Option<bool>,
-    pub transpile_packages: Option<Vec<String>>,
+    pub transpile_packages: Option<Vec<RcStr>>,
     pub modularize_imports: Option<IndexMap<String, ModularizeImportPackageConfig>>,
-    pub dist_dir: Option<String>,
+    pub dist_dir: Option<RcStr>,
     sass_options: Option<serde_json::Value>,
     pub trailing_slash: Option<bool>,
-    pub asset_prefix: Option<String>,
-    pub base_path: Option<String>,
+    pub asset_prefix: Option<RcStr>,
+    pub base_path: Option<RcStr>,
     pub skip_middleware_url_normalize: Option<bool>,
     pub skip_trailing_slash_redirect: Option<bool>,
     pub i18n: Option<I18NConfig>,
     pub cross_origin: Option<CrossOriginConfig>,
     pub dev_indicators: Option<DevIndicatorsConfig>,
     pub output: Option<OutputType>,
-    pub analytics_id: Option<String>,
 
     /// Enables the bundling of node_modules packages (externals) for pages
     /// server-side bundles.
@@ -99,7 +98,7 @@ pub struct NextConfig {
     /// build.
     ///
     /// [API Reference](https://nextjs.org/docs/app/api-reference/next-config-js/serverExternalPackages)
-    pub server_external_packages: Option<Vec<String>>,
+    pub server_external_packages: Option<Vec<RcStr>>,
 
     #[serde(rename = "_originalRedirects")]
     pub original_redirects: Option<Vec<Redirect>>,
@@ -122,13 +121,11 @@ pub struct NextConfig {
     generate_etags: bool,
     http_agent_options: HttpAgentConfig,
     on_demand_entries: OnDemandEntriesConfig,
-    output_file_tracing: bool,
     powered_by_header: bool,
     production_browser_source_maps: bool,
     public_runtime_config: IndexMap<String, serde_json::Value>,
     server_runtime_config: IndexMap<String, serde_json::Value>,
     static_page_generation_timeout: f64,
-    swc_minify: Option<bool>,
     target: Option<String>,
     typescript: TypeScriptConfig,
     use_file_system_public_routes: bool,
@@ -226,30 +223,30 @@ pub enum OutputType {
 #[serde(tag = "type", rename_all = "kebab-case")]
 pub enum RouteHas {
     Header {
-        key: String,
+        key: RcStr,
         #[serde(skip_serializing_if = "Option::is_none")]
-        value: Option<String>,
+        value: Option<RcStr>,
     },
     Cookie {
-        key: String,
+        key: RcStr,
         #[serde(skip_serializing_if = "Option::is_none")]
-        value: Option<String>,
+        value: Option<RcStr>,
     },
     Query {
-        key: String,
+        key: RcStr,
         #[serde(skip_serializing_if = "Option::is_none")]
-        value: Option<String>,
+        value: Option<RcStr>,
     },
     Host {
-        value: String,
+        value: RcStr,
     },
 }
 
 #[derive(Clone, Debug, Default, PartialEq, Serialize, Deserialize, TraceRawVcs)]
 #[serde(rename_all = "camelCase")]
 pub struct HeaderValue {
-    pub key: String,
-    pub value: String,
+    pub key: RcStr,
+    pub value: RcStr,
 }
 
 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize, TraceRawVcs)]
@@ -416,39 +413,39 @@ pub enum RemotePatternProtocal {
 pub struct ExperimentalTurboConfig {
     /// This option has been replaced by `rules`.
     pub loaders: Option<JsonValue>,
-    pub rules: Option<IndexMap<String, RuleConfigItemOrShortcut>>,
-    pub resolve_alias: Option<IndexMap<String, JsonValue>>,
-    pub resolve_extensions: Option<Vec<String>>,
+    pub rules: Option<IndexMap<RcStr, RuleConfigItemOrShortcut>>,
+    pub resolve_alias: Option<IndexMap<RcStr, JsonValue>>,
+    pub resolve_extensions: Option<Vec<RcStr>>,
     pub use_swc_css: Option<bool>,
 }
 
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, TraceRawVcs)]
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, TraceRawVcs)]
 #[serde(rename_all = "camelCase")]
 pub struct RuleConfigItemOptions {
     pub loaders: Vec<LoaderItem>,
     #[serde(default, alias = "as")]
-    pub rename_as: Option<String>,
+    pub rename_as: Option<RcStr>,
 }
 
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, TraceRawVcs)]
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, TraceRawVcs)]
 #[serde(rename_all = "camelCase", untagged)]
 pub enum RuleConfigItemOrShortcut {
     Loaders(Vec<LoaderItem>),
     Advanced(RuleConfigItem),
 }
 
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, TraceRawVcs)]
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, TraceRawVcs)]
 #[serde(rename_all = "camelCase", untagged)]
 pub enum RuleConfigItem {
     Options(RuleConfigItemOptions),
-    Conditional(IndexMap<String, RuleConfigItem>),
+    Conditional(IndexMap<RcStr, RuleConfigItem>),
     Boolean(bool),
 }
 
-#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, TraceRawVcs)]
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, TraceRawVcs)]
 #[serde(untagged)]
 pub enum LoaderItem {
-    LoaderName(String),
+    LoaderName(RcStr),
     LoaderOptions(WebpackLoaderItem),
 }
 
@@ -459,29 +456,59 @@ pub enum MdxRsOptions {
     Option(MdxTransformOptions),
 }
 
+#[turbo_tasks::value(shared)]
+#[derive(Clone, Debug)]
+#[serde(rename_all = "camelCase")]
+pub enum ReactCompilerMode {
+    Infer,
+    Annotation,
+    All,
+}
+
+/// Subset of react compiler options
+#[turbo_tasks::value(shared)]
+#[derive(Clone, Debug)]
+#[serde(rename_all = "camelCase")]
+pub struct ReactCompilerOptions {
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub compilation_mode: Option<ReactCompilerMode>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub panic_threshold: Option<RcStr>,
+}
+
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, TraceRawVcs)]
+#[serde(untagged)]
+pub enum ReactCompilerOptionsOrBoolean {
+    Boolean(bool),
+    Option(ReactCompilerOptions),
+}
+
+#[turbo_tasks::value(transparent)]
+pub struct OptionalReactCompilerOptions(Option<Vc<ReactCompilerOptions>>);
+
 #[derive(Clone, Debug, Default, PartialEq, Serialize, Deserialize, TraceRawVcs)]
 #[serde(rename_all = "camelCase")]
 pub struct ExperimentalConfig {
-    pub allowed_revalidate_header_keys: Option<Vec<String>>,
+    pub allowed_revalidate_header_keys: Option<Vec<RcStr>>,
     pub client_router_filter: Option<bool>,
     /// decimal for percent for possible false positives e.g. 0.01 for 10%
     /// potential false matches lower percent increases size of the filter
     pub client_router_filter_allowed_rate: Option<f64>,
     pub client_router_filter_redirects: Option<bool>,
-    pub fetch_cache_key_prefix: Option<String>,
+    pub fetch_cache_key_prefix: Option<RcStr>,
     pub isr_flush_to_disk: Option<bool>,
     /// For use with `@next/mdx`. Compile MDX files using the new Rust compiler.
     /// @see [api reference](https://nextjs.org/docs/app/api-reference/next-config-js/mdxRs)
     mdx_rs: Option<MdxRsOptions>,
     pub strict_next_head: Option<bool>,
-    pub swc_plugins: Option<Vec<(String, serde_json::Value)>>,
+    pub swc_plugins: Option<Vec<(RcStr, serde_json::Value)>>,
     pub turbo: Option<ExperimentalTurboConfig>,
     pub turbotrace: Option<serde_json::Value>,
     pub external_middleware_rewrites_resolve: Option<bool>,
     pub scroll_restoration: Option<bool>,
     pub use_deployment_id: Option<bool>,
     pub use_deployment_id_server_actions: Option<bool>,
-    pub deployment_id: Option<String>,
+    pub deployment_id: Option<RcStr>,
     pub manual_client_base_path: Option<bool>,
     pub optimistic_client_cache: Option<bool>,
     pub middleware_prefetch: Option<MiddlewarePrefetchType>,
@@ -489,15 +516,17 @@ pub struct ExperimentalConfig {
     /// Use Record<string, unknown> as critters doesn't export its Option type ([link](https://github.com/GoogleChromeLabs/critters/blob/a590c05f9197b656d2aeaae9369df2483c26b072/packages/critters/src/index.d.ts))
     pub optimize_css: Option<serde_json::Value>,
     pub next_script_workers: Option<bool>,
-    pub web_vitals_attribution: Option<Vec<String>>,
+    pub web_vitals_attribution: Option<Vec<RcStr>>,
     pub server_actions: Option<ServerActionsOrLegacyBool>,
     pub sri: Option<SubResourceIntegrity>,
+    react_compiler: Option<ReactCompilerOptionsOrBoolean>,
 
     // ---
     // UNSUPPORTED
     // ---
     adjust_font_fallbacks: Option<bool>,
     adjust_font_fallbacks_with_size_adjust: Option<bool>,
+    after: Option<bool>,
     amp: Option<serde_json::Value>,
     app_document_preloading: Option<bool>,
     case_sensitive_routes: Option<bool>,
@@ -525,20 +554,19 @@ pub struct ExperimentalConfig {
     optimize_server_react: Option<bool>,
     /// Automatically apply the "modularize_imports" optimization to imports of
     /// the specified packages.
-    optimize_package_imports: Option<Vec<String>>,
-    output_file_tracing_ignores: Option<Vec<String>>,
+    optimize_package_imports: Option<Vec<RcStr>>,
+    output_file_tracing_ignores: Option<Vec<RcStr>>,
     output_file_tracing_includes: Option<serde_json::Value>,
-    output_file_tracing_root: Option<String>,
+    output_file_tracing_root: Option<RcStr>,
     /// Using this feature will enable the `react@experimental` for the `app`
     /// directory.
-    ppr: Option<bool>,
+    ppr: Option<ExperimentalPartialPrerendering>,
     taint: Option<bool>,
     proxy_timeout: Option<f64>,
     /// enables the minification of server code.
     server_minification: Option<bool>,
     /// Enables source maps generation for the server production bundle.
     server_source_maps: Option<bool>,
-    swc_minify: Option<bool>,
     swc_trace_profiling: Option<bool>,
     /// @internal Used by the Next.js internals only.
     trust_host_header: Option<bool>,
@@ -553,6 +581,49 @@ pub struct ExperimentalConfig {
     worker_threads: Option<bool>,
 }
 
+#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, TraceRawVcs)]
+#[serde(rename_all = "lowercase")]
+pub enum ExperimentalPartialPrerenderingIncrementalValue {
+    Incremental,
+}
+
+#[derive(Clone, Debug, PartialEq, Deserialize, Serialize, TraceRawVcs)]
+#[serde(untagged)]
+pub enum ExperimentalPartialPrerendering {
+    Incremental(ExperimentalPartialPrerenderingIncrementalValue),
+    Boolean(bool),
+}
+
+#[test]
+fn test_parse_experimental_partial_prerendering() {
+    let json = serde_json::json!({
+        "ppr": "incremental"
+    });
+    let config: ExperimentalConfig = serde_json::from_value(json).unwrap();
+    assert_eq!(
+        config.ppr,
+        Some(ExperimentalPartialPrerendering::Incremental(
+            ExperimentalPartialPrerenderingIncrementalValue::Incremental
+        ))
+    );
+
+    let json = serde_json::json!({
+        "ppr": true
+    });
+    let config: ExperimentalConfig = serde_json::from_value(json).unwrap();
+    assert_eq!(
+        config.ppr,
+        Some(ExperimentalPartialPrerendering::Boolean(true))
+    );
+
+    // Expect if we provide a random string, it will fail.
+    let json = serde_json::json!({
+        "ppr": "random"
+    });
+    let config = serde_json::from_value::<ExperimentalConfig>(json);
+    assert!(config.is_err());
+}
+
 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize, TraceRawVcs)]
 #[serde(rename_all = "camelCase")]
 pub struct SubResourceIntegrity {
@@ -583,6 +654,25 @@ pub enum EsmExternals {
     Bool(bool),
 }
 
+// Test for esm externals deserialization.
+#[test]
+fn test_esm_externals_deserialization() {
+    let json = serde_json::json!({
+        "esmExternals": true
+    });
+    let config: ExperimentalConfig = serde_json::from_value(json).unwrap();
+    assert_eq!(config.esm_externals, Some(EsmExternals::Bool(true)));
+
+    let json = serde_json::json!({
+        "esmExternals": "loose"
+    });
+    let config: ExperimentalConfig = serde_json::from_value(json).unwrap();
+    assert_eq!(
+        config.esm_externals,
+        Some(EsmExternals::Loose(EsmExternalsValue::Loose))
+    );
+}
+
 #[derive(Clone, Debug, PartialEq, Deserialize, Serialize, TraceRawVcs)]
 #[serde(rename_all = "camelCase")]
 pub struct ServerActions {
@@ -670,7 +760,7 @@ impl RemoveConsoleConfig {
 }
 
 #[turbo_tasks::value(transparent)]
-pub struct ResolveExtensions(Option<Vec<String>>);
+pub struct ResolveExtensions(Option<Vec<RcStr>>);
 
 #[turbo_tasks::value(transparent)]
 pub struct OptionalMdxTransformOptions(Option<Vc<MdxTransformOptions>>);
@@ -678,7 +768,7 @@ pub struct OptionalMdxTransformOptions(Option<Vc<MdxTransformOptions>>);
 #[turbo_tasks::value_impl]
 impl NextConfig {
     #[turbo_tasks::function]
-    pub async fn from_string(string: Vc<String>) -> Result<Vc<Self>> {
+    pub async fn from_string(string: Vc<RcStr>) -> Result<Vc<Self>> {
         let string = string.await?;
         let config: NextConfig = serde_json::from_str(&string)
             .with_context(|| format!("failed to parse next.config.js: {}", string))?;
@@ -691,7 +781,7 @@ impl NextConfig {
     }
 
     #[turbo_tasks::function]
-    pub async fn server_external_packages(self: Vc<Self>) -> Result<Vc<Vec<String>>> {
+    pub async fn server_external_packages(self: Vc<Self>) -> Result<Vc<Vec<RcStr>>> {
         Ok(Vc::cell(
             self.await?
                 .server_external_packages
@@ -712,12 +802,12 @@ impl NextConfig {
             .iter()
             .map(|(k, v)| {
                 (
-                    k.clone(),
+                    k.as_str().into(),
                     if let JsonValue::String(s) = v {
                         // A string value is kept, calling `to_string` would wrap in to quotes.
-                        s.clone()
+                        s.as_str().into()
                     } else {
-                        v.to_string()
+                        v.to_string().into()
                     },
                 )
             })
@@ -732,12 +822,12 @@ impl NextConfig {
     }
 
     #[turbo_tasks::function]
-    pub async fn page_extensions(self: Vc<Self>) -> Result<Vc<Vec<String>>> {
+    pub async fn page_extensions(self: Vc<Self>) -> Result<Vc<Vec<RcStr>>> {
         Ok(Vc::cell(self.await?.page_extensions.clone()))
     }
 
     #[turbo_tasks::function]
-    pub async fn transpile_packages(self: Vc<Self>) -> Result<Vc<Vec<String>>> {
+    pub async fn transpile_packages(self: Vc<Self>) -> Result<Vc<Vec<RcStr>>> {
         Ok(Vc::cell(
             self.await?.transpile_packages.clone().unwrap_or_default(),
         ))
@@ -746,7 +836,7 @@ impl NextConfig {
     #[turbo_tasks::function]
     pub async fn webpack_rules(
         self: Vc<Self>,
-        active_conditions: Vec<String>,
+        active_conditions: Vec<RcStr>,
     ) -> Result<Vc<OptionWebpackRules>> {
         let this = self.await?;
         let Some(turbo_rules) = this
@@ -784,7 +874,7 @@ impl NextConfig {
             }
             fn find_rule<'a>(
                 rule: &'a RuleConfigItem,
-                active_conditions: &HashSet<String>,
+                active_conditions: &HashSet<RcStr>,
             ) -> FindRuleResult<'a> {
                 match rule {
                     RuleConfigItem::Options(rule) => FindRuleResult::Found(rule),
@@ -810,7 +900,7 @@ impl NextConfig {
             match rule {
                 RuleConfigItemOrShortcut::Loaders(loaders) => {
                     rules.insert(
-                        ext.to_string(),
+                        ext.clone(),
                         LoaderRuleItem {
                             loaders: transform_loaders(loaders),
                             rename_as: None,
@@ -822,7 +912,7 @@ impl NextConfig {
                         find_rule(rule, &active_conditions)
                     {
                         rules.insert(
-                            ext.to_string(),
+                            ext.clone(),
                             LoaderRuleItem {
                                 loaders: transform_loaders(loaders),
                                 rename_as: rename_as.clone(),
@@ -890,8 +980,7 @@ impl NextConfig {
                     provider_import_source: Some(
                         options
                             .provider_import_source
-                            .as_ref()
-                            .map(|s| s.to_string())
+                            .clone()
                             .unwrap_or(mdx_import_source_file()),
                     ),
                     ..options.clone()
@@ -904,6 +993,29 @@ impl NextConfig {
         Ok(options.cell())
     }
 
+    #[turbo_tasks::function]
+    pub async fn react_compiler(self: Vc<Self>) -> Result<Vc<OptionalReactCompilerOptions>> {
+        let options = &self.await?.experimental.react_compiler;
+
+        let options = match options {
+            Some(ReactCompilerOptionsOrBoolean::Boolean(true)) => {
+                OptionalReactCompilerOptions(Some(
+                    ReactCompilerOptions {
+                        compilation_mode: None,
+                        panic_threshold: None,
+                    }
+                    .cell(),
+                ))
+            }
+            Some(ReactCompilerOptionsOrBoolean::Option(options)) => OptionalReactCompilerOptions(
+                Some(ReactCompilerOptions { ..options.clone() }.cell()),
+            ),
+            _ => OptionalReactCompilerOptions(None),
+        };
+
+        Ok(options.cell())
+    }
+
     #[turbo_tasks::function]
     pub async fn sass_config(self: Vc<Self>) -> Result<Vc<JsonValue>> {
         Ok(Vc::cell(
@@ -911,11 +1023,6 @@ impl NextConfig {
         ))
     }
 
-    #[turbo_tasks::function]
-    pub async fn swc_minify(self: Vc<Self>) -> Result<Vc<bool>> {
-        Ok(Vc::cell(self.await?.swc_minify.unwrap_or(false)))
-    }
-
     #[turbo_tasks::function]
     pub async fn skip_middleware_url_normalize(self: Vc<Self>) -> Result<Vc<bool>> {
         Ok(Vc::cell(
@@ -933,23 +1040,38 @@ impl NextConfig {
     /// Returns the final asset prefix. If an assetPrefix is set, it's used.
     /// Otherwise, the basePath is used.
     #[turbo_tasks::function]
-    pub async fn computed_asset_prefix(self: Vc<Self>) -> Result<Vc<Option<String>>> {
+    pub async fn computed_asset_prefix(self: Vc<Self>) -> Result<Vc<Option<RcStr>>> {
         let this = self.await?;
 
-        Ok(Vc::cell(Some(format!(
-            "{}/_next/",
-            if let Some(asset_prefix) = &this.asset_prefix {
-                asset_prefix
-            } else {
-                this.base_path.as_ref().map_or("", |b| b.as_str())
-            }
-            .trim_end_matches('/')
-        ))))
+        Ok(Vc::cell(Some(
+            format!(
+                "{}/_next/",
+                if let Some(asset_prefix) = &this.asset_prefix {
+                    asset_prefix
+                } else {
+                    this.base_path.as_ref().map_or("", |b| b.as_str())
+                }
+                .trim_end_matches('/')
+            )
+            .into(),
+        )))
     }
 
     #[turbo_tasks::function]
     pub async fn enable_ppr(self: Vc<Self>) -> Result<Vc<bool>> {
-        Ok(Vc::cell(self.await?.experimental.ppr.unwrap_or(false)))
+        Ok(Vc::cell(
+            self.await?
+                .experimental
+                .ppr
+                .as_ref()
+                .map(|ppr| match ppr {
+                    ExperimentalPartialPrerendering::Incremental(
+                        ExperimentalPartialPrerenderingIncrementalValue::Incremental,
+                    ) => true,
+                    ExperimentalPartialPrerendering::Boolean(b) => *b,
+                })
+                .unwrap_or(false),
+        ))
     }
 
     #[turbo_tasks::function]
@@ -970,7 +1092,7 @@ impl NextConfig {
     }
 
     #[turbo_tasks::function]
-    pub async fn optimize_package_imports(self: Vc<Self>) -> Result<Vc<Vec<String>>> {
+    pub async fn optimize_package_imports(self: Vc<Self>) -> Result<Vc<Vec<RcStr>>> {
         Ok(Vc::cell(
             self.await?
                 .experimental
@@ -993,7 +1115,7 @@ pub struct JsConfig {
 #[turbo_tasks::value_impl]
 impl JsConfig {
     #[turbo_tasks::function]
-    pub async fn from_string(string: Vc<String>) -> Result<Vc<Self>> {
+    pub async fn from_string(string: Vc<RcStr>) -> Result<Vc<Self>> {
         let string = string.await?;
         let config: JsConfig = serde_json::from_str(&string)
             .with_context(|| format!("failed to parse next.config.js: {}", string))?;
@@ -1012,9 +1134,9 @@ impl JsConfig {
 #[turbo_tasks::value]
 struct OutdatedConfigIssue {
     path: Vc<FileSystemPath>,
-    old_name: String,
-    new_name: String,
-    description: String,
+    old_name: RcStr,
+    new_name: RcStr,
+    description: RcStr,
 }
 
 #[turbo_tasks::value_impl]
@@ -1038,7 +1160,7 @@ impl Issue for OutdatedConfigIssue {
     fn title(&self) -> Vc<StyledString> {
         StyledString::Line(vec![
             StyledString::Code(self.old_name.clone()),
-            StyledString::Text(" has been replaced by ".to_string()),
+            StyledString::Text(" has been replaced by ".into()),
             StyledString::Code(self.new_name.clone()),
         ])
         .cell()
@@ -1046,8 +1168,6 @@ impl Issue for OutdatedConfigIssue {
 
     #[turbo_tasks::function]
     fn description(&self) -> Vc<OptionStyledString> {
-        Vc::cell(Some(
-            StyledString::Text(self.description.to_string()).cell(),
-        ))
+        Vc::cell(Some(StyledString::Text(self.description.clone()).cell()))
     }
 }
diff --git a/packages/next-swc/crates/next-core/src/next_dynamic/dynamic_module.rs b/packages/next-swc/crates/next-core/src/next_dynamic/dynamic_module.rs
index 5b713b4247ff3..08e9c7d29f7eb 100644
--- a/packages/next-swc/crates/next-core/src/next_dynamic/dynamic_module.rs
+++ b/packages/next-swc/crates/next-core/src/next_dynamic/dynamic_module.rs
@@ -1,5 +1,5 @@
 use anyhow::{bail, Result};
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 use turbopack_binding::turbopack::core::{
     asset::{Asset, AssetContent},
     chunk::{ChunkableModule, ChunkingContext, ChunkingContextExt},
@@ -46,8 +46,8 @@ impl NextDynamicEntryModule {
 }
 
 #[turbo_tasks::function]
-fn dynamic_modifier() -> Vc<String> {
-    Vc::cell("dynamic".to_string())
+fn dynamic_modifier() -> Vc<RcStr> {
+    Vc::cell("dynamic".into())
 }
 
 #[turbo_tasks::value_impl]
diff --git a/packages/next-swc/crates/next-core/src/next_dynamic/dynamic_transition.rs b/packages/next-swc/crates/next-core/src/next_dynamic/dynamic_transition.rs
index 53792575ca3b6..c139f404c762f 100644
--- a/packages/next-swc/crates/next-core/src/next_dynamic/dynamic_transition.rs
+++ b/packages/next-swc/crates/next-core/src/next_dynamic/dynamic_transition.rs
@@ -1,5 +1,5 @@
 use anyhow::Result;
-use turbo_tasks::{Value, Vc};
+use turbo_tasks::{RcStr, Value, Vc};
 use turbopack_binding::turbopack::{
     core::{context::ProcessResult, reference_type::ReferenceType, source::Source},
     turbopack::{transition::Transition, ModuleAssetContext},
@@ -26,7 +26,7 @@ impl NextDynamicTransition {
 #[turbo_tasks::value_impl]
 impl Transition for NextDynamicTransition {
     #[turbo_tasks::function]
-    fn process_layer(self: Vc<Self>, layer: Vc<String>) -> Vc<String> {
+    fn process_layer(self: Vc<Self>, layer: Vc<RcStr>) -> Vc<RcStr> {
         layer
     }
 
diff --git a/packages/next-swc/crates/next-core/src/next_dynamic/visit_dynamic.rs b/packages/next-swc/crates/next-core/src/next_dynamic/visit_dynamic.rs
index 486dfb4dc5f82..1facdad6032b3 100644
--- a/packages/next-swc/crates/next-core/src/next_dynamic/visit_dynamic.rs
+++ b/packages/next-swc/crates/next-core/src/next_dynamic/visit_dynamic.rs
@@ -4,7 +4,7 @@ use anyhow::Result;
 use tracing::Instrument;
 use turbo_tasks::{
     graph::{AdjacencyMap, GraphTraversal, Visit, VisitControlFlow},
-    ReadRef, TryJoinIterExt, ValueToString, Vc,
+    RcStr, ReadRef, TryJoinIterExt, ValueToString, Vc,
 };
 use turbopack_binding::turbopack::core::{
     module::{Module, Modules},
@@ -66,8 +66,8 @@ struct VisitDynamic;
 
 #[derive(Clone, Eq, PartialEq, Hash)]
 enum VisitDynamicNode {
-    Dynamic(Vc<NextDynamicEntryModule>, ReadRef<String>),
-    Internal(Vc<Box<dyn Module>>, ReadRef<String>),
+    Dynamic(Vc<NextDynamicEntryModule>, ReadRef<RcStr>),
+    Internal(Vc<Box<dyn Module>>, ReadRef<RcStr>),
 }
 
 impl Visit<VisitDynamicNode> for VisitDynamic {
@@ -117,10 +117,10 @@ impl Visit<VisitDynamicNode> for VisitDynamic {
     fn span(&mut self, node: &VisitDynamicNode) -> tracing::Span {
         match node {
             VisitDynamicNode::Dynamic(_, name) => {
-                tracing::info_span!("dynamic module", name = **name)
+                tracing::info_span!("dynamic module", name = name.to_string())
             }
             VisitDynamicNode::Internal(_, name) => {
-                tracing::info_span!("module", name = **name)
+                tracing::info_span!("module", name = name.to_string())
             }
         }
     }
diff --git a/packages/next-swc/crates/next-core/src/next_edge/context.rs b/packages/next-swc/crates/next-core/src/next_edge/context.rs
index 5408d89bf61e8..acee2dc2c511a 100644
--- a/packages/next-swc/crates/next-core/src/next_edge/context.rs
+++ b/packages/next-swc/crates/next-core/src/next_edge/context.rs
@@ -1,6 +1,6 @@
 use anyhow::Result;
 use indexmap::IndexMap;
-use turbo_tasks::{Value, Vc};
+use turbo_tasks::{RcStr, Value, Vc};
 use turbopack_binding::{
     turbo::{tasks_env::EnvMap, tasks_fs::FileSystemPath},
     turbopack::{
@@ -33,17 +33,17 @@ use crate::{
     util::{foreign_code_context_condition, NextRuntime},
 };
 
-fn defines(define_env: &IndexMap<String, String>) -> CompileTimeDefines {
+fn defines(define_env: &IndexMap<RcStr, RcStr>) -> CompileTimeDefines {
     let mut defines = IndexMap::new();
 
     for (k, v) in define_env {
         defines
-            .entry(k.split('.').map(|s| s.to_string()).collect::<Vec<String>>())
+            .entry(k.split('.').map(|s| s.into()).collect::<Vec<RcStr>>())
             .or_insert_with(|| {
                 let val = serde_json::from_str(v);
                 match val {
                     Ok(serde_json::Value::Bool(v)) => CompileTimeDefineValue::Bool(v),
-                    Ok(serde_json::Value::String(v)) => CompileTimeDefineValue::String(v),
+                    Ok(serde_json::Value::String(v)) => CompileTimeDefineValue::String(v.into()),
                     _ => CompileTimeDefineValue::JSON(v.clone()),
                 }
             });
@@ -67,9 +67,9 @@ async fn next_edge_free_vars(
     Ok(free_var_references!(
         ..defines(&*define_env.await?).into_iter(),
         Buffer = FreeVarReference::EcmaScriptModule {
-            request: "buffer".to_string(),
+            request: "buffer".into(),
             lookup_path: Some(project_path),
-            export: Some("Buffer".to_string()),
+            export: Some("Buffer".into()),
         },
     )
     .cell())
@@ -141,16 +141,17 @@ pub async fn get_edge_resolve_options_context(
     after_resolve_plugins.extend_from_slice(&base_plugins);
 
     // https://github.com/vercel/next.js/blob/bf52c254973d99fed9d71507a2e818af80b8ade7/packages/next/src/build/webpack-config.ts#L96-L102
-    let mut custom_conditions = vec![mode.await?.condition().to_string()];
+    let mut custom_conditions = vec![mode.await?.condition().into()];
     custom_conditions.extend(
         NextRuntime::Edge
             .conditions()
             .iter()
-            .map(ToString::to_string),
+            .map(ToString::to_string)
+            .map(RcStr::from),
     );
 
     if ty.supports_react_server() {
-        custom_conditions.push("react-server".to_string());
+        custom_conditions.push("react-server".into());
     };
 
     let resolve_options_context = ResolveOptionsContext {
@@ -186,18 +187,18 @@ pub async fn get_edge_chunking_context_with_client_assets(
     project_path: Vc<FileSystemPath>,
     node_root: Vc<FileSystemPath>,
     client_root: Vc<FileSystemPath>,
-    asset_prefix: Vc<Option<String>>,
+    asset_prefix: Vc<Option<RcStr>>,
     environment: Vc<Environment>,
 ) -> Result<Vc<Box<dyn ChunkingContext>>> {
-    let output_root = node_root.join("server/edge".to_string());
+    let output_root = node_root.join("server/edge".into());
     let next_mode = mode.await?;
     Ok(Vc::upcast(
         BrowserChunkingContext::builder(
             project_path,
             output_root,
             client_root,
-            output_root.join("chunks/ssr".to_string()),
-            client_root.join("static/media".to_string()),
+            output_root.join("chunks/ssr".into()),
+            client_root.join("static/media".into()),
             environment,
             next_mode.runtime_type(),
         )
@@ -214,15 +215,15 @@ pub async fn get_edge_chunking_context(
     node_root: Vc<FileSystemPath>,
     environment: Vc<Environment>,
 ) -> Result<Vc<Box<dyn ChunkingContext>>> {
-    let output_root = node_root.join("server/edge".to_string());
+    let output_root = node_root.join("server/edge".into());
     let next_mode = mode.await?;
     Ok(Vc::upcast(
         BrowserChunkingContext::builder(
             project_path,
             output_root,
             output_root,
-            output_root.join("chunks".to_string()),
-            output_root.join("assets".to_string()),
+            output_root.join("chunks".into()),
+            output_root.join("assets".into()),
             environment,
             next_mode.runtime_type(),
         )
@@ -230,7 +231,7 @@ pub async fn get_edge_chunking_context(
         // instead. This special blob url is handled by the custom fetch
         // implementation in the edge sandbox. It will respond with the
         // asset from the output directory.
-        .asset_base_path(Vc::cell(Some("blob:server/edge/".to_string())))
+        .asset_base_path(Vc::cell(Some("blob:server/edge/".into())))
         .minify_type(next_mode.minify_type())
         .build(),
     ))
diff --git a/packages/next-swc/crates/next-core/src/next_edge/entry.rs b/packages/next-swc/crates/next-core/src/next_edge/entry.rs
index 6364f98bce38b..4e0cf2cf97432 100644
--- a/packages/next-swc/crates/next-core/src/next_edge/entry.rs
+++ b/packages/next-swc/crates/next-core/src/next_edge/entry.rs
@@ -1,7 +1,7 @@
 use anyhow::Result;
 use indexmap::indexmap;
 use indoc::formatdoc;
-use turbo_tasks::{Value, Vc};
+use turbo_tasks::{RcStr, Value, Vc};
 use turbo_tasks_fs::{File, FileSystemPath};
 use turbopack_binding::turbopack::{
     core::{
@@ -16,7 +16,7 @@ pub async fn wrap_edge_entry(
     context: Vc<Box<dyn AssetContext>>,
     project_root: Vc<FileSystemPath>,
     entry: Vc<Box<dyn Module>>,
-    pathname: String,
+    pathname: RcStr,
 ) -> Result<Vc<Box<dyn Module>>> {
     // The wrapped module could be an async module, we handle that with the proxy
     // here. The comma expression makes sure we don't call the function with the
@@ -32,12 +32,12 @@ pub async fn wrap_edge_entry(
 
     // TODO(alexkirsz) Figure out how to name this virtual asset.
     let virtual_source = VirtualSource::new(
-        project_root.join("edge-wrapper.js".to_string()),
+        project_root.join("edge-wrapper.js".into()),
         AssetContent::file(file.into()),
     );
 
     let inner_assets = indexmap! {
-        "MODULE".to_string() => entry
+        "MODULE".into() => entry
     };
 
     let module = context
diff --git a/packages/next-swc/crates/next-core/src/next_edge/unsupported.rs b/packages/next-swc/crates/next-core/src/next_edge/unsupported.rs
index 1318c95c8f9da..ce4fc948067f6 100644
--- a/packages/next-swc/crates/next-core/src/next_edge/unsupported.rs
+++ b/packages/next-swc/crates/next-core/src/next_edge/unsupported.rs
@@ -1,6 +1,6 @@
 use anyhow::Result;
 use indoc::formatdoc;
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 use turbo_tasks_fs::File;
 use turbopack_binding::{
     turbo::tasks_fs::FileSystemPath,
@@ -46,7 +46,7 @@ impl NextEdgeUnsupportedModuleReplacer {
 #[turbo_tasks::value_impl]
 impl ImportMappingReplacement for NextEdgeUnsupportedModuleReplacer {
     #[turbo_tasks::function]
-    fn replace(&self, _capture: String) -> Vc<ImportMapping> {
+    fn replace(&self, _capture: RcStr) -> Vc<ImportMapping> {
         ImportMapping::Ignore.into()
     }
 
diff --git a/packages/next-swc/crates/next-core/src/next_font/font_fallback.rs b/packages/next-swc/crates/next-core/src/next_font/font_fallback.rs
index a33d84357ca42..f4c0db91643b3 100644
--- a/packages/next-swc/crates/next-core/src/next_font/font_fallback.rs
+++ b/packages/next-swc/crates/next-core/src/next_font/font_fallback.rs
@@ -1,12 +1,12 @@
 use anyhow::Result;
 use once_cell::sync::Lazy;
 use serde::{Deserialize, Serialize};
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 use turbopack_binding::turbo::tasks::trace::TraceRawVcs;
 
 pub(crate) struct DefaultFallbackFont {
-    pub name: String,
-    pub capsize_key: String,
+    pub name: RcStr,
+    pub capsize_key: RcStr,
     pub az_avg_width: f64,
     pub units_per_em: u32,
 }
@@ -14,16 +14,16 @@ pub(crate) struct DefaultFallbackFont {
 // From https://github.com/vercel/next.js/blob/a3893bf69c83fb08e88c87bf8a21d987a0448c8e/packages/font/src/utils.ts#L4
 pub(crate) static DEFAULT_SANS_SERIF_FONT: Lazy<DefaultFallbackFont> =
     Lazy::new(|| DefaultFallbackFont {
-        name: "Arial".to_owned(),
-        capsize_key: "arial".to_owned(),
+        name: "Arial".into(),
+        capsize_key: "arial".into(),
         az_avg_width: 934.5116279069767,
         units_per_em: 2048,
     });
 
 pub(crate) static DEFAULT_SERIF_FONT: Lazy<DefaultFallbackFont> =
     Lazy::new(|| DefaultFallbackFont {
-        name: "Times New Roman".to_owned(),
-        capsize_key: "timesNewRoman".to_owned(),
+        name: "Times New Roman".into(),
+        capsize_key: "timesNewRoman".into(),
         az_avg_width: 854.3953488372093,
         units_per_em: 2048,
     });
@@ -32,9 +32,9 @@ pub(crate) static DEFAULT_SERIF_FONT: Lazy<DefaultFallbackFont> =
 #[turbo_tasks::value(shared)]
 pub(crate) struct AutomaticFontFallback {
     /// e.g. `__Roboto_Fallback_c123b8`
-    pub scoped_font_family: Vc<String>,
+    pub scoped_font_family: Vc<RcStr>,
     /// The name of font locally, used in `src: local("{}")`
-    pub local_font_family: Vc<String>,
+    pub local_font_family: Vc<RcStr>,
     pub adjustment: Option<FontAdjustment>,
 }
 
@@ -48,7 +48,7 @@ pub(crate) enum FontFallback {
     /// return this and omit fallback information instead.
     Error,
     /// A list of manually provided font names to use a fallback, as-is.
-    Manual(Vec<String>),
+    Manual(Vec<RcStr>),
 }
 
 #[turbo_tasks::value_impl]
diff --git a/packages/next-swc/crates/next-core/src/next_font/google/font_fallback.rs b/packages/next-swc/crates/next-core/src/next_font/google/font_fallback.rs
index 7e703d578bd64..008140df0d7ae 100644
--- a/packages/next-swc/crates/next-core/src/next_font/google/font_fallback.rs
+++ b/packages/next-swc/crates/next-core/src/next_font/google/font_fallback.rs
@@ -4,7 +4,7 @@ use anyhow::{Context, Result};
 use once_cell::sync::Lazy;
 use regex::Regex;
 use serde::{Deserialize, Serialize};
-use turbo_tasks::{trace::TraceRawVcs, Vc};
+use turbo_tasks::{trace::TraceRawVcs, RcStr, Vc};
 use turbopack_binding::{
     turbo::tasks_fs::FileSystemPath,
     turbopack::core::issue::{IssueExt, IssueSeverity, StyledString},
@@ -27,7 +27,7 @@ use crate::{
 #[derive(Deserialize, Debug)]
 #[serde(rename_all = "camelCase")]
 pub(super) struct FontMetricsMapEntry {
-    category: String,
+    category: RcStr,
     ascent: i32,
     descent: i32,
     line_gap: u32,
@@ -36,11 +36,11 @@ pub(super) struct FontMetricsMapEntry {
 }
 
 #[derive(Deserialize, Debug)]
-pub(super) struct FontMetricsMap(pub HashMap<String, FontMetricsMapEntry>);
+pub(super) struct FontMetricsMap(pub HashMap<RcStr, FontMetricsMapEntry>);
 
 #[derive(Debug, PartialEq, Serialize, Deserialize, TraceRawVcs)]
 struct Fallback {
-    pub font_family: String,
+    pub font_family: RcStr,
     pub adjustment: Option<FontAdjustment>,
 }
 
@@ -53,11 +53,9 @@ pub(super) async fn get_font_fallback(
     Ok(match &options.fallback {
         Some(fallback) => FontFallback::Manual(fallback.clone()).cell(),
         None => {
-            let metrics_json = load_next_js_templateon(
-                context,
-                "dist/server/capsize-font-metrics.json".to_string(),
-            )
-            .await?;
+            let metrics_json =
+                load_next_js_templateon(context, "dist/server/capsize-font-metrics.json".into())
+                    .await?;
             let fallback = lookup_fallback(
                 &options.font_family,
                 metrics_json,
@@ -77,13 +75,16 @@ pub(super) async fn get_font_fallback(
                 Err(_) => {
                     NextFontIssue {
                         path: context,
-                        title: StyledString::Text(format!(
-                            "Failed to find font override values for font `{}`",
-                            &options.font_family,
-                        ))
+                        title: StyledString::Text(
+                            format!(
+                                "Failed to find font override values for font `{}`",
+                                &options.font_family,
+                            )
+                            .into(),
+                        )
                         .cell(),
                         description: StyledString::Text(
-                            "Skipping generating a fallback font.".to_owned(),
+                            "Skipping generating a fallback font.".into(),
                         )
                         .cell(),
                         severity: IssueSeverity::Warning.cell(),
@@ -100,7 +101,7 @@ pub(super) async fn get_font_fallback(
 static FALLBACK_FONT_NAME: Lazy<Regex> = Lazy::new(|| Regex::new(r"(?:^\w|[A-Z]|\b\w)").unwrap());
 
 // From https://github.com/vercel/next.js/blob/1628260b88ce3052ac307a1607b6e8470188ab83/packages/next/src/server/font-utils.ts#L101
-fn format_fallback_font_name(font_family: &str) -> String {
+fn format_fallback_font_name(font_family: &str) -> RcStr {
     let mut fallback_name = FALLBACK_FONT_NAME
         .replace(font_family, |caps: &regex::Captures| {
             caps.iter()
@@ -118,7 +119,7 @@ fn format_fallback_font_name(font_family: &str) -> String {
         })
         .to_string();
     fallback_name.retain(|c| !c.is_whitespace());
-    fallback_name
+    fallback_name.into()
 }
 
 fn lookup_fallback(
@@ -208,7 +209,7 @@ mod tests {
         assert_eq!(
             lookup_fallback("Inter", font_metrics, true)?,
             Fallback {
-                font_family: "Arial".to_owned(),
+                font_family: "Arial".into(),
                 adjustment: Some(FontAdjustment {
                     ascent: 0.901_989_700_374_532,
                     descent: -0.224_836_142_322_097_4,
@@ -254,7 +255,7 @@ mod tests {
         assert_eq!(
             lookup_fallback("Roboto Slab", font_metrics, true)?,
             Fallback {
-                font_family: "Times New Roman".to_owned(),
+                font_family: "Times New Roman".into(),
                 adjustment: Some(FontAdjustment {
                     ascent: 0.885_645_438_273_993_8,
                     descent: -0.229_046_234_036_377_7,
diff --git a/packages/next-swc/crates/next-core/src/next_font/google/mod.rs b/packages/next-swc/crates/next-core/src/next_font/google/mod.rs
index 5046f3faa9eed..b1b225697b033 100644
--- a/packages/next-swc/crates/next-core/src/next_font/google/mod.rs
+++ b/packages/next-swc/crates/next-core/src/next_font/google/mod.rs
@@ -5,7 +5,7 @@ use futures::FutureExt;
 use indexmap::IndexMap;
 use indoc::formatdoc;
 use serde::{Deserialize, Serialize};
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 use turbopack_binding::{
     turbo::{
         tasks::{Completion, Value},
@@ -68,7 +68,7 @@ pub const USER_AGENT_FOR_GOOGLE_FONTS: &str = "Mozilla/5.0 (Macintosh; Intel Mac
                                                Chrome/104.0.0.0 Safari/537.36";
 
 #[turbo_tasks::value(transparent)]
-struct FontData(IndexMap<String, FontDataEntry>);
+struct FontData(IndexMap<RcStr, FontDataEntry>);
 
 #[turbo_tasks::value(shared)]
 pub(crate) struct NextFontGoogleReplacer {
@@ -83,7 +83,7 @@ impl NextFontGoogleReplacer {
     }
 
     #[turbo_tasks::function]
-    async fn import_map_result(&self, query: String) -> Result<Vc<ImportMapResult>> {
+    async fn import_map_result(&self, query: RcStr) -> Result<Vc<ImportMapResult>> {
         let request_hash = get_request_hash(&query).await?;
         let qstr = qstring::QString::from(query.as_str());
 
@@ -95,8 +95,8 @@ impl NextFontGoogleReplacer {
         let fallback = get_font_fallback(self.project_path, options);
         let properties = get_font_css_properties(options, fallback).await?;
         let js_asset = VirtualSource::new(
-            next_js_file_path("internal/font/google".to_string())
-                .join(format!("{}.js", get_request_id(options.font_family(), request_hash).await?)),
+            next_js_file_path("internal/font/google".into())
+                .join(format!("{}.js", get_request_id(options.font_family(), request_hash).await?).into()),
             AssetContent::file(FileContent::Content(
                 formatdoc!(
                     r#"
@@ -142,7 +142,7 @@ impl NextFontGoogleReplacer {
 #[turbo_tasks::value_impl]
 impl ImportMappingReplacement for NextFontGoogleReplacer {
     #[turbo_tasks::function]
-    fn replace(&self, _capture: String) -> Vc<ImportMapping> {
+    fn replace(&self, _capture: RcStr) -> Vc<ImportMapping> {
         ImportMapping::Ignore.into()
     }
 
@@ -168,7 +168,7 @@ impl ImportMappingReplacement for NextFontGoogleReplacer {
 
         let this = &*self.await?;
         if can_use_next_font(this.project_path, *query).await? {
-            Ok(self.import_map_result(query.await?.to_string()))
+            Ok(self.import_map_result(query.await?.as_str().into()))
         } else {
             Ok(ImportMapResult::NoEntry.into())
         }
@@ -195,7 +195,7 @@ impl NextFontGoogleCssModuleReplacer {
     }
 
     #[turbo_tasks::function]
-    async fn import_map_result(&self, query: String) -> Result<Vc<ImportMapResult>> {
+    async fn import_map_result(&self, query: RcStr) -> Result<Vc<ImportMapResult>> {
         let request_hash = get_request_hash(&query).await?;
         let query_vc = Vc::cell(query);
         let font_data = load_font_data(self.project_path);
@@ -203,18 +203,19 @@ impl NextFontGoogleCssModuleReplacer {
         let stylesheet_url = get_stylesheet_url_from_options(options, font_data);
         let scoped_font_family =
             get_scoped_font_family(FontFamilyType::WebFont.cell(), options.font_family());
-        let css_virtual_path = next_js_file_path("internal/font/google".to_string()).join(format!(
-            "/{}.module.css",
-            get_request_id(options.font_family(), request_hash).await?
-        ));
+        let css_virtual_path = next_js_file_path("internal/font/google".into()).join(
+            format!(
+                "/{}.module.css",
+                get_request_id(options.font_family(), request_hash).await?
+            )
+            .into(),
+        );
 
         // When running Next.js integration tests, use the mock data available in
         // process.env.NEXT_FONT_GOOGLE_MOCKED_RESPONSES instead of making real
         // requests to Google Fonts.
         let env = Vc::upcast::<Box<dyn ProcessEnv>>(CommandLineProcessEnv::new());
-        let mocked_responses_path = &*env
-            .read("NEXT_FONT_GOOGLE_MOCKED_RESPONSES".to_string())
-            .await?;
+        let mocked_responses_path = &*env.read("NEXT_FONT_GOOGLE_MOCKED_RESPONSES".into()).await?;
         let stylesheet_str = mocked_responses_path
             .as_ref()
             .map_or_else(
@@ -270,7 +271,7 @@ impl NextFontGoogleCssModuleReplacer {
 #[turbo_tasks::value_impl]
 impl ImportMappingReplacement for NextFontGoogleCssModuleReplacer {
     #[turbo_tasks::function]
-    fn replace(&self, _capture: String) -> Vc<ImportMapping> {
+    fn replace(&self, _capture: RcStr) -> Vc<ImportMapping> {
         ImportMapping::Ignore.into()
     }
 
@@ -295,7 +296,7 @@ impl ImportMappingReplacement for NextFontGoogleCssModuleReplacer {
             return Ok(ImportMapResult::NoEntry.into());
         };
 
-        Ok(self.import_map_result(query_vc.await?.to_string()))
+        Ok(self.import_map_result(query_vc.await?.to_string().into()))
     }
 }
 
@@ -322,7 +323,7 @@ impl NextFontGoogleFontFileReplacer {
 #[turbo_tasks::value_impl]
 impl ImportMappingReplacement for NextFontGoogleFontFileReplacer {
     #[turbo_tasks::function]
-    fn replace(&self, _capture: String) -> Vc<ImportMapping> {
+    fn replace(&self, _capture: RcStr) -> Vc<ImportMapping> {
         ImportMapping::Ignore.into()
     }
 
@@ -364,12 +365,13 @@ impl ImportMappingReplacement for NextFontGoogleFontFileReplacer {
             name.push_str(".p")
         }
 
-        let font_virtual_path = next_js_file_path("internal/font/google".to_string())
-            .join(format!("/{}.{}", name, ext));
+        let font_virtual_path = next_js_file_path("internal/font/google".into())
+            .join(format!("/{}.{}", name, ext).into());
 
         // doesn't seem ideal to download the font into a string, but probably doesn't
         // really matter either.
-        let Some(font) = fetch_from_google_fonts(Vc::cell(url), font_virtual_path).await? else {
+        let Some(font) = fetch_from_google_fonts(Vc::cell(url.into()), font_virtual_path).await?
+        else {
             return Ok(ImportMapResult::Result(ResolveResult::unresolveable().into()).into());
         };
 
@@ -386,7 +388,7 @@ impl ImportMappingReplacement for NextFontGoogleFontFileReplacer {
 async fn load_font_data(project_root: Vc<FileSystemPath>) -> Result<Vc<FontData>> {
     let data: FontData = load_next_js_templateon(
         project_root,
-        "dist/compiled/@next/font/dist/google/font-data.json".to_string(),
+        "dist/compiled/@next/font/dist/google/font-data.json".into(),
     )
     .await?;
 
@@ -397,11 +399,11 @@ async fn load_font_data(project_root: Vc<FileSystemPath>) -> Result<Vc<FontData>
 /// font family names.
 #[turbo_tasks::function]
 async fn update_google_stylesheet(
-    stylesheet: Vc<String>,
+    stylesheet: Vc<RcStr>,
     options: Vc<NextFontGoogleOptions>,
-    scoped_font_family: Vc<String>,
+    scoped_font_family: Vc<RcStr>,
     has_size_adjust: Vc<bool>,
-) -> Result<Vc<String>> {
+) -> Result<Vc<RcStr>> {
     let options = &*options.await?;
 
     // Update font-family definitions to the scoped name
@@ -439,7 +441,7 @@ async fn update_google_stylesheet(
         )
     }
 
-    Ok(Vc::cell(stylesheet.to_string()))
+    Ok(Vc::cell(stylesheet.into()))
 }
 
 #[derive(Debug)]
@@ -449,7 +451,7 @@ struct FontFile {
 }
 
 // https://github.com/vercel/next.js/blob/b95e45a5112e9f65e939eac9445ef550db072ea7/packages/font/src/google/find-font-files-in-css.ts
-fn find_font_files_in_css(css: &str, subsets_to_preload: &[String]) -> Vec<FontFile> {
+fn find_font_files_in_css(css: &str, subsets_to_preload: &[RcStr]) -> Vec<FontFile> {
     let mut font_files: Vec<FontFile> = Vec::new();
     let mut current_subset = "";
 
@@ -482,7 +484,7 @@ fn find_font_files_in_css(css: &str, subsets_to_preload: &[String]) -> Vec<FontF
 async fn get_stylesheet_url_from_options(
     options: Vc<NextFontGoogleOptions>,
     font_data: Vc<FontData>,
-) -> Result<Vc<String>> {
+) -> Result<Vc<RcStr>> {
     #[allow(unused_mut, unused_assignments)] // This is used in test environments
     let mut css_url: Option<String> = None;
     #[cfg(debug_assertions)]
@@ -490,27 +492,27 @@ async fn get_stylesheet_url_from_options(
         use turbopack_binding::turbo::tasks_env::{CommandLineProcessEnv, ProcessEnv};
 
         let env = CommandLineProcessEnv::new();
-        if let Some(url) = &*env
-            .read("TURBOPACK_TEST_ONLY_MOCK_SERVER".to_string())
-            .await?
-        {
+        if let Some(url) = &*env.read("TURBOPACK_TEST_ONLY_MOCK_SERVER".into()).await? {
             css_url = Some(format!("{}/css2", url));
         }
     }
 
     let options = options.await?;
-    Ok(Vc::cell(get_stylesheet_url(
-        css_url.as_deref().unwrap_or(GOOGLE_FONTS_STYLESHEET_URL),
-        &options.font_family,
-        &get_font_axes(
-            &*font_data.await?,
+    Ok(Vc::cell(
+        get_stylesheet_url(
+            css_url.as_deref().unwrap_or(GOOGLE_FONTS_STYLESHEET_URL),
             &options.font_family,
-            &options.weights,
-            &options.styles,
-            &options.selected_variable_axes,
-        )?,
-        &options.display,
-    )?))
+            &get_font_axes(
+                &*font_data.await?,
+                &options.font_family,
+                &options.weights,
+                &options.styles,
+                &options.selected_variable_axes,
+            )?,
+            &options.display,
+        )?
+        .into(),
+    ))
 }
 
 #[turbo_tasks::function]
@@ -522,20 +524,20 @@ async fn get_font_css_properties(
     let scoped_font_family =
         &*get_scoped_font_family(FontFamilyType::WebFont.cell(), options_vc.font_family()).await?;
 
-    let mut font_families = vec![format!("'{}'", scoped_font_family.clone())];
+    let mut font_families = vec![format!("'{}'", scoped_font_family.clone()).into()];
     let font_fallback = &*font_fallback.await?;
     match font_fallback {
         FontFallback::Manual(fonts) => {
             font_families.extend_from_slice(fonts);
         }
         FontFallback::Automatic(fallback) => {
-            font_families.push(format!("'{}'", *fallback.scoped_font_family.await?));
+            font_families.push(format!("'{}'", *fallback.scoped_font_family.await?).into());
         }
         FontFallback::Error => {}
     }
 
     Ok(FontCssProperties::cell(FontCssProperties {
-        font_family: Vc::cell(font_families.join(", ")),
+        font_family: Vc::cell(font_families.join(", ").into()),
         weight: Vc::cell(match &options.weights {
             FontWeights::Variable => None,
             FontWeights::Fixed(weights) => {
@@ -543,7 +545,7 @@ async fn get_font_css_properties(
                     // Don't set a rule for weight if multiple are requested
                     None
                 } else {
-                    weights.first().map(|w| w.to_string())
+                    weights.first().map(|w| w.to_string().into())
                 }
             }
         }),
@@ -559,7 +561,7 @@ async fn get_font_css_properties(
 
 #[turbo_tasks::function]
 async fn font_options_from_query_map(
-    query: Vc<String>,
+    query: Vc<RcStr>,
     font_data: Vc<FontData>,
 ) -> Result<Vc<NextFontGoogleOptions>> {
     let query_map = qstring::QString::from(&**query.await?);
@@ -578,7 +580,7 @@ async fn font_options_from_query_map(
 }
 
 async fn font_file_options_from_query_map(
-    query: Vc<String>,
+    query: Vc<RcStr>,
 ) -> Result<NextFontGoogleFontFileOptions> {
     let query_map = qstring::QString::from(&**query.await?);
 
@@ -594,21 +596,21 @@ async fn font_file_options_from_query_map(
 }
 
 async fn fetch_real_stylesheet(
-    stylesheet_url: Vc<String>,
+    stylesheet_url: Vc<RcStr>,
     css_virtual_path: Vc<FileSystemPath>,
-) -> Result<Option<Vc<String>>> {
+) -> Result<Option<Vc<RcStr>>> {
     let body = fetch_from_google_fonts(stylesheet_url, css_virtual_path).await?;
 
     Ok(body.map(|body| body.to_string()))
 }
 
 async fn fetch_from_google_fonts(
-    url: Vc<String>,
+    url: Vc<RcStr>,
     virtual_path: Vc<FileSystemPath>,
 ) -> Result<Option<Vc<HttpResponseBody>>> {
     let result = fetch(
         url,
-        Vc::cell(Some(USER_AGENT_FOR_GOOGLE_FONTS.to_owned())),
+        Vc::cell(Some(USER_AGENT_FOR_GOOGLE_FONTS.into())),
         Vc::cell(None),
     )
     .await?;
@@ -632,19 +634,19 @@ async fn fetch_from_google_fonts(
 }
 
 async fn get_mock_stylesheet(
-    stylesheet_url: Vc<String>,
+    stylesheet_url: Vc<RcStr>,
     mocked_responses_path: &str,
     execution_context: Vc<ExecutionContext>,
-) -> Result<Option<Vc<String>>> {
+) -> Result<Option<Vc<RcStr>>> {
     let response_path = Path::new(&mocked_responses_path);
     let mock_fs = Vc::upcast::<Box<dyn FileSystem>>(DiskFileSystem::new(
-        "mock".to_string(),
+        "mock".into(),
         response_path
             .parent()
             .context("Must be valid path")?
             .to_str()
             .context("Must exist")?
-            .to_string(),
+            .into(),
         vec![],
     ));
 
@@ -653,9 +655,8 @@ async fn get_mock_stylesheet(
         project_path: _,
         chunking_context,
     } = *execution_context.await?;
-    let context =
-        node_evaluate_asset_context(execution_context, None, None, "next_font".to_string());
-    let loader_path = mock_fs.root().join("loader.js".to_string());
+    let context = node_evaluate_asset_context(execution_context, None, None, "next_font".into());
+    let loader_path = mock_fs.root().join("loader.js".into());
     let mocked_response_asset = context
         .process(
             Vc::upcast(VirtualSource::new(
@@ -693,8 +694,7 @@ async fn get_mock_stylesheet(
 
     match &val.try_into_single().await? {
         SingleValue::Single(val) => {
-            let val: HashMap<String, Option<String>> =
-                parse_json_with_source_context(val.to_str()?)?;
+            let val: HashMap<RcStr, Option<RcStr>> = parse_json_with_source_context(val.to_str()?)?;
             Ok(val
                 .get(&*stylesheet_url.await?)
                 .context("url not found")?
diff --git a/packages/next-swc/crates/next-core/src/next_font/google/options.rs b/packages/next-swc/crates/next-core/src/next_font/google/options.rs
index f026c80cb47d0..674c2a2504b8b 100644
--- a/packages/next-swc/crates/next-core/src/next_font/google/options.rs
+++ b/packages/next-swc/crates/next-core/src/next_font/google/options.rs
@@ -1,31 +1,31 @@
 use anyhow::{anyhow, Context, Result};
 use indexmap::{indexset, IndexMap, IndexSet};
 use serde::{Deserialize, Serialize};
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 use turbopack_binding::turbo::tasks::{trace::TraceRawVcs, Value};
 
 use super::request::{NextFontRequest, OneOrManyStrings};
 
 const ALLOWED_DISPLAY_VALUES: &[&str] = &["auto", "block", "swap", "fallback", "optional"];
 
-pub(super) type FontData = IndexMap<String, FontDataEntry>;
+pub(super) type FontData = IndexMap<RcStr, FontDataEntry>;
 
 #[turbo_tasks::value(serialization = "auto_for_input")]
 #[derive(Clone, Debug, PartialOrd, Ord, Hash)]
 pub(super) struct NextFontGoogleOptions {
     /// Name of the requested font from Google. Contains literal spaces.
-    pub font_family: String,
+    pub font_family: RcStr,
     pub weights: FontWeights,
-    pub styles: Vec<String>,
-    pub display: String,
+    pub styles: Vec<RcStr>,
+    pub display: RcStr,
     pub preload: bool,
-    pub selected_variable_axes: Option<Vec<String>>,
-    pub fallback: Option<Vec<String>>,
+    pub selected_variable_axes: Option<Vec<RcStr>>,
+    pub fallback: Option<Vec<RcStr>>,
     pub adjust_font_fallback: bool,
     /// An optional name for a css custom property (css variable) that applies
     /// the font family when used.
-    pub variable: Option<String>,
-    pub subsets: Option<Vec<String>>,
+    pub variable: Option<RcStr>,
+    pub subsets: Option<Vec<RcStr>>,
 }
 
 #[turbo_tasks::value_impl]
@@ -36,8 +36,8 @@ impl NextFontGoogleOptions {
     }
 
     #[turbo_tasks::function]
-    pub async fn font_family(self: Vc<Self>) -> Result<Vc<String>> {
-        Ok(Vc::cell((*self.await?.font_family).to_owned()))
+    pub async fn font_family(self: Vc<Self>) -> Result<Vc<RcStr>> {
+        Ok(Vc::cell((*self.await?.font_family).into()))
     }
 }
 
@@ -51,15 +51,15 @@ pub(super) enum FontWeights {
 
 #[derive(Debug, PartialEq, Eq, Deserialize, Serialize, TraceRawVcs)]
 pub(super) struct FontDataEntry {
-    pub weights: Vec<String>,
-    pub styles: Vec<String>,
+    pub weights: Vec<RcStr>,
+    pub styles: Vec<RcStr>,
     pub axes: Option<Vec<Axis>>,
 }
 
 #[derive(Debug, PartialEq, Deserialize, Serialize, TraceRawVcs)]
 #[serde(rename_all = "camelCase")]
 pub(super) struct Axis {
-    pub tag: String,
+    pub tag: RcStr,
     pub min: f64,
     pub max: f64,
 }
@@ -71,7 +71,7 @@ impl Eq for Axis {}
 // https://github.com/vercel/next.js/blob/28454c6ddbc310419467e5415aee26e48d079b46/packages/font/src/google/utils.ts#L22
 pub(super) fn options_from_request(
     request: &NextFontRequest,
-    data: &IndexMap<String, FontDataEntry>,
+    data: &IndexMap<RcStr, FontDataEntry>,
 ) -> Result<NextFontGoogleOptions> {
     if request.arguments.len() > 1 {
         return Err(anyhow!(
@@ -82,10 +82,10 @@ pub(super) fn options_from_request(
     let argument = request.arguments.last().cloned().unwrap_or_default();
 
     // `import` comes from the imported symbol in JS, which separates with _
-    let font_family = request.import.replace('_', " ");
+    let font_family: RcStr = request.import.replace('_', " ").into();
     let font_data = data.get(&font_family).context("Unknown font")?;
 
-    let requested_weights: IndexSet<String> = argument
+    let requested_weights: IndexSet<RcStr> = argument
         .weight
         .map(|w| match w {
             OneOrManyStrings::One(one) => indexset! {one},
@@ -102,7 +102,7 @@ pub(super) fn options_from_request(
         .unwrap_or_default();
 
     let weights = if requested_weights.is_empty() {
-        if !font_data.weights.contains(&"variable".to_owned()) {
+        if !font_data.weights.contains(&"variable".into()) {
             return Err(anyhow!(
                 "Missing weight for {}. Available weights: {}",
                 font_family,
@@ -145,7 +145,7 @@ pub(super) fn options_from_request(
         if font_data.styles.len() == 1 {
             styles.push(font_data.styles[0].clone());
         } else {
-            styles.push("normal".to_owned());
+            styles.push("normal".into());
         }
     }
 
@@ -160,9 +160,9 @@ pub(super) fn options_from_request(
         }
     }
 
-    let display = argument.display.unwrap_or_else(|| "swap".to_owned());
+    let display = argument.display.unwrap_or_else(|| "swap".into());
 
-    if !ALLOWED_DISPLAY_VALUES.contains(&display.as_ref()) {
+    if !ALLOWED_DISPLAY_VALUES.contains(&display.as_str()) {
         return Err(anyhow!(
             "Invalid display value {} for font {}.\nAvailable display values: {}",
             display,
@@ -195,6 +195,7 @@ pub(super) fn options_from_request(
 mod tests {
     use anyhow::Result;
     use indexmap::IndexMap;
+    use turbo_tasks::RcStr;
     use turbopack_binding::turbo::tasks_fs::json::parse_json_with_source_context;
 
     use super::{options_from_request, FontDataEntry, NextFontGoogleOptions};
@@ -202,7 +203,7 @@ mod tests {
 
     #[test]
     fn test_errors_on_unknown_font() -> Result<()> {
-        let data: IndexMap<String, FontDataEntry> = parse_json_with_source_context(
+        let data: IndexMap<RcStr, FontDataEntry> = parse_json_with_source_context(
             r#"
             {
                 "ABeeZee": {
@@ -235,7 +236,7 @@ mod tests {
 
     #[test]
     fn test_default_values_when_no_arguments() -> Result<()> {
-        let data: IndexMap<String, FontDataEntry> = parse_json_with_source_context(
+        let data: IndexMap<RcStr, FontDataEntry> = parse_json_with_source_context(
             r#"
             {
                 "ABeeZee": {
@@ -260,10 +261,10 @@ mod tests {
         assert_eq!(
             options_from_request(&request, &data)?,
             NextFontGoogleOptions {
-                font_family: "ABeeZee".to_owned(),
+                font_family: "ABeeZee".into(),
                 weights: FontWeights::Variable,
-                styles: vec!["normal".to_owned()],
-                display: "swap".to_owned(),
+                styles: vec!["normal".into()],
+                display: "swap".into(),
                 preload: true,
                 selected_variable_axes: None,
                 fallback: None,
@@ -278,7 +279,7 @@ mod tests {
 
     #[test]
     fn test_errors_when_no_weights_chosen_no_variable() -> Result<()> {
-        let data: IndexMap<String, FontDataEntry> = parse_json_with_source_context(
+        let data: IndexMap<RcStr, FontDataEntry> = parse_json_with_source_context(
             r#"
             {
                 "ABeeZee": {
@@ -314,7 +315,7 @@ mod tests {
 
     #[test]
     fn test_errors_on_unnecessary_weights() -> Result<()> {
-        let data: IndexMap<String, FontDataEntry> = parse_json_with_source_context(
+        let data: IndexMap<RcStr, FontDataEntry> = parse_json_with_source_context(
             r#"
             {
                 "ABeeZee": {
@@ -353,7 +354,7 @@ mod tests {
 
     #[test]
     fn test_errors_on_unvavailable_weights() -> Result<()> {
-        let data: IndexMap<String, FontDataEntry> = parse_json_with_source_context(
+        let data: IndexMap<RcStr, FontDataEntry> = parse_json_with_source_context(
             r#"
             {
                 "ABeeZee": {
@@ -391,7 +392,7 @@ mod tests {
 
     #[test]
     fn test_defaults_to_only_style_when_one_available() -> Result<()> {
-        let data: IndexMap<String, FontDataEntry> = parse_json_with_source_context(
+        let data: IndexMap<RcStr, FontDataEntry> = parse_json_with_source_context(
             r#"
             {
                 "ABeeZee": {
@@ -416,14 +417,14 @@ mod tests {
         )?;
 
         let options = options_from_request(&request, &data)?;
-        assert_eq!(options.styles, vec!["italic".to_owned()]);
+        assert_eq!(options.styles, vec![RcStr::from("italic")]);
 
         Ok(())
     }
 
     #[test]
     fn test_defaults_to_normal_style_when_multiple() -> Result<()> {
-        let data: IndexMap<String, FontDataEntry> = parse_json_with_source_context(
+        let data: IndexMap<RcStr, FontDataEntry> = parse_json_with_source_context(
             r#"
             {
                 "ABeeZee": {
@@ -448,14 +449,14 @@ mod tests {
         )?;
 
         let options = options_from_request(&request, &data)?;
-        assert_eq!(options.styles, vec!["normal".to_owned()]);
+        assert_eq!(options.styles, vec![RcStr::from("normal")]);
 
         Ok(())
     }
 
     #[test]
     fn test_errors_on_unknown_styles() -> Result<()> {
-        let data: IndexMap<String, FontDataEntry> = parse_json_with_source_context(
+        let data: IndexMap<RcStr, FontDataEntry> = parse_json_with_source_context(
             r#"
             {
                 "ABeeZee": {
@@ -495,7 +496,7 @@ mod tests {
 
     #[test]
     fn test_errors_on_unknown_display() -> Result<()> {
-        let data: IndexMap<String, FontDataEntry> = parse_json_with_source_context(
+        let data: IndexMap<RcStr, FontDataEntry> = parse_json_with_source_context(
             r#"
             {
                 "ABeeZee": {
@@ -536,7 +537,7 @@ mod tests {
 
     #[test]
     fn test_errors_on_axes_without_variable() -> Result<()> {
-        let data: IndexMap<String, FontDataEntry> = parse_json_with_source_context(
+        let data: IndexMap<RcStr, FontDataEntry> = parse_json_with_source_context(
             r#"
             {
                 "ABeeZee": {
diff --git a/packages/next-swc/crates/next-core/src/next_font/google/request.rs b/packages/next-swc/crates/next-core/src/next_font/google/request.rs
index 683982070cfa3..e312757b2f5e1 100644
--- a/packages/next-swc/crates/next-core/src/next_font/google/request.rs
+++ b/packages/next-swc/crates/next-core/src/next_font/google/request.rs
@@ -1,4 +1,5 @@
 use serde::Deserialize;
+use turbo_tasks::RcStr;
 
 /// The top-most structure encoded into the query param in requests to
 /// `next/font/google` generated by the next/font swc transform. e.g.
@@ -6,26 +7,26 @@ use serde::Deserialize;
 #[derive(Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub(super) struct NextFontRequest {
-    pub import: String,
+    pub import: RcStr,
     pub arguments: Vec<NextFontRequestArguments>,
 }
 
 #[derive(Clone, Debug, Default, Deserialize)]
 pub(super) struct NextFontRequestArguments {
     pub weight: Option<OneOrManyStrings>,
-    pub subsets: Option<Vec<String>>,
+    pub subsets: Option<Vec<RcStr>>,
     pub style: Option<OneOrManyStrings>,
-    pub display: Option<String>,
+    pub display: Option<RcStr>,
     pub preload: Option<bool>,
-    pub axes: Option<Vec<String>>,
-    pub fallback: Option<Vec<String>>,
+    pub axes: Option<Vec<RcStr>>,
+    pub fallback: Option<Vec<RcStr>>,
     pub adjust_font_fallback: Option<bool>,
-    pub variable: Option<String>,
+    pub variable: Option<RcStr>,
 }
 
 #[derive(Clone, Debug, Deserialize)]
 #[serde(untagged)]
 pub(super) enum OneOrManyStrings {
-    One(String),
-    Many(Vec<String>),
+    One(RcStr),
+    Many(Vec<RcStr>),
 }
diff --git a/packages/next-swc/crates/next-core/src/next_font/google/stylesheet.rs b/packages/next-swc/crates/next-core/src/next_font/google/stylesheet.rs
index b63ca0f946a4e..7ea9badf8a1c0 100644
--- a/packages/next-swc/crates/next-core/src/next_font/google/stylesheet.rs
+++ b/packages/next-swc/crates/next-core/src/next_font/google/stylesheet.rs
@@ -1,5 +1,5 @@
 use anyhow::Result;
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 
 use super::FontCssProperties;
 use crate::next_font::{
@@ -9,16 +9,16 @@ use crate::next_font::{
 
 #[turbo_tasks::function]
 pub(super) async fn build_stylesheet(
-    base_stylesheet: Vc<Option<String>>,
+    base_stylesheet: Vc<Option<RcStr>>,
     font_css_properties: Vc<FontCssProperties>,
     font_fallback: Vc<FontFallback>,
-) -> Result<Vc<String>> {
+) -> Result<Vc<RcStr>> {
     let base_stylesheet = &*base_stylesheet.await?;
     let mut stylesheet = base_stylesheet
         .as_ref()
-        .map_or_else(|| "".to_owned(), |s| s.to_owned());
+        .map_or_else(|| "".to_owned(), |s| s.to_string());
 
     stylesheet.push_str(&build_fallback_definition(Vc::cell(vec![font_fallback])).await?);
     stylesheet.push_str(&build_font_class_rules(font_css_properties).await?);
-    Ok(Vc::cell(stylesheet))
+    Ok(Vc::cell(stylesheet.into()))
 }
diff --git a/packages/next-swc/crates/next-core/src/next_font/google/util.rs b/packages/next-swc/crates/next-core/src/next_font/google/util.rs
index 067f0bedd4b85..1717f5733c98a 100644
--- a/packages/next-swc/crates/next-core/src/next_font/google/util.rs
+++ b/packages/next-swc/crates/next-core/src/next_font/google/util.rs
@@ -2,14 +2,15 @@ use std::cmp::Ordering;
 
 use anyhow::{anyhow, bail, Context, Result};
 use indexmap::{indexset, IndexSet};
+use turbo_tasks::RcStr;
 
 use super::options::{FontData, FontWeights};
 
 #[derive(Debug, PartialEq)]
 pub(super) struct FontAxes {
-    pub(super) wght: IndexSet<String>,
+    pub(super) wght: IndexSet<RcStr>,
     pub(super) ital: IndexSet<FontStyle>,
-    pub(super) variable_axes: Option<Vec<(String, String)>>,
+    pub(super) variable_axes: Option<Vec<(RcStr, RcStr)>>,
 }
 
 #[derive(Debug, PartialEq, Eq, Hash)]
@@ -23,8 +24,8 @@ pub(super) fn get_font_axes(
     font_data: &FontData,
     font_family: &str,
     weights: &FontWeights,
-    styles: &[String],
-    selected_variable_axes: &Option<Vec<String>>,
+    styles: &[RcStr],
+    selected_variable_axes: &Option<Vec<RcStr>>,
 ) -> Result<FontAxes> {
     let all_axes = &font_data
         .get(font_family)
@@ -32,8 +33,8 @@ pub(super) fn get_font_axes(
         .axes;
 
     let ital = {
-        let has_italic = styles.contains(&"italic".to_owned());
-        let has_normal = styles.contains(&"normal".to_owned());
+        let has_italic = styles.contains(&"italic".into());
+        let has_normal = styles.contains(&"normal".into());
         let mut set = IndexSet::new();
         if has_normal {
             set.insert(FontStyle::Normal);
@@ -54,7 +55,7 @@ pub(super) fn get_font_axes(
                 let definable_axes_tags = defineable_axes
                     .iter()
                     .map(|axis| axis.tag.to_owned())
-                    .collect::<Vec<String>>();
+                    .collect::<Vec<RcStr>>();
 
                 for tag in selected_variable_axes {
                     if !definable_axes_tags.contains(tag) {
@@ -72,11 +73,13 @@ pub(super) fn get_font_axes(
             let mut variable_axes = vec![];
             for axis in defineable_axes {
                 if axis.tag == "wght" {
-                    weight_axis = Some(format!("{}..{}", axis.min, axis.max));
+                    weight_axis = Some(format!("{}..{}", axis.min, axis.max).into());
                 } else if let Some(selected_variable_axes) = selected_variable_axes {
                     if selected_variable_axes.contains(&axis.tag) {
-                        variable_axes
-                            .push((axis.tag.clone(), format!("{}..{}", axis.min, axis.max)));
+                        variable_axes.push((
+                            axis.tag.clone(),
+                            format!("{}..{}", axis.min, axis.max).into(),
+                        ));
                     }
                 }
             }
@@ -96,7 +99,7 @@ pub(super) fn get_font_axes(
         }
 
         FontWeights::Fixed(weights) => Ok(FontAxes {
-            wght: IndexSet::from_iter(weights.iter().map(|w| w.to_string())),
+            wght: IndexSet::from_iter(weights.iter().map(|w| w.to_string().into())),
             ital,
             variable_axes: None,
         }),
@@ -320,12 +323,12 @@ mod tests {
                 "Inter",
                 &FontWeights::Variable,
                 &[],
-                &Some(vec!["slnt".to_owned()]),
+                &Some(vec!["slnt".into()]),
             )?,
             FontAxes {
-                wght: indexset! {"100..900".to_owned()},
+                wght: indexset! {"100..900".into()},
                 ital: indexset! {},
-                variable_axes: Some(vec![("slnt".to_owned(), "-10..0".to_owned())])
+                variable_axes: Some(vec![("slnt".into(), "-10..0".into())])
             }
         );
         Ok(())
@@ -361,12 +364,12 @@ mod tests {
                 "Inter",
                 &FontWeights::Variable,
                 &[],
-                &Some(vec!["slnt".to_owned()]),
+                &Some(vec!["slnt".into()]),
             )?,
             FontAxes {
                 wght: indexset! {},
                 ital: indexset! {},
-                variable_axes: Some(vec![("slnt".to_owned(), "-10..0".to_owned())])
+                variable_axes: Some(vec![("slnt".into(), "-10..0".into())])
             }
         );
         Ok(())
@@ -396,7 +399,7 @@ mod tests {
         assert_eq!(
             get_font_axes(&data, "Hind", &FontWeights::Fixed(vec![500]), &[], &None)?,
             FontAxes {
-                wght: indexset! {"500".to_owned()},
+                wght: indexset! {"500".into()},
                 ital: indexset! {},
                 variable_axes: None
             }
@@ -411,7 +414,7 @@ mod tests {
                 GOOGLE_FONTS_STYLESHEET_URL,
                 "Roboto Mono",
                 &FontAxes {
-                    wght: indexset! {"500".to_owned()},
+                    wght: indexset! {"500".into()},
                     ital: indexset! {FontStyle::Normal},
                     variable_axes: None
                 },
@@ -430,12 +433,12 @@ mod tests {
                 GOOGLE_FONTS_STYLESHEET_URL,
                 "Roboto Serif",
                 &FontAxes {
-                    wght: indexset! {"500".to_owned()},
+                    wght: indexset! {"500".into()},
                     ital: indexset! {FontStyle::Normal},
                     variable_axes: Some(vec![
-                        ("GRAD".to_owned(), "-50..100".to_owned()),
-                        ("opsz".to_owned(), "8..144".to_owned()),
-                        ("wdth".to_owned(), "50..150".to_owned()),
+                        ("GRAD".into(), "-50..100".into()),
+                        ("opsz".into(), "8..144".into()),
+                        ("wdth".into(), "50..150".into()),
                     ])
                 },
                 "optional"
@@ -453,12 +456,12 @@ mod tests {
                 GOOGLE_FONTS_STYLESHEET_URL,
                 "Roboto Serif",
                 &FontAxes {
-                    wght: indexset! {"500".to_owned(), "300".to_owned()},
+                    wght: indexset! {"500".into(), "300".into()},
                     ital: indexset! {FontStyle::Normal, FontStyle::Italic},
                     variable_axes: Some(vec![
-                        ("GRAD".to_owned(), "-50..100".to_owned()),
-                        ("opsz".to_owned(), "8..144".to_owned()),
-                        ("wdth".to_owned(), "50..150".to_owned()),
+                        ("GRAD".into(), "-50..100".into()),
+                        ("opsz".into(), "8..144".into()),
+                        ("wdth".into(), "50..150".into()),
                     ])
                 },
                 "optional"
@@ -480,8 +483,8 @@ mod tests {
                     wght: indexset! {},
                     ital: indexset! {},
                     variable_axes: Some(vec![
-                        ("EDPT".to_owned(), "0..200".to_owned()),
-                        ("EHLT".to_owned(), "0..24".to_owned()),
+                        ("EDPT".into(), "0..200".into()),
+                        ("EHLT".into(), "0..24".into()),
                     ])
                 },
                 "optional"
@@ -537,7 +540,7 @@ mod tests {
                 GOOGLE_FONTS_STYLESHEET_URL,
                 "Hind",
                 &FontAxes {
-                    wght: indexset! {"500".to_owned()},
+                    wght: indexset! {"500".into()},
                     ital: indexset! {},
                     variable_axes: None
                 },
diff --git a/packages/next-swc/crates/next-core/src/next_font/local/errors.rs b/packages/next-swc/crates/next-core/src/next_font/local/errors.rs
index 9c3a3226f4b3b..99f1d46f86b8a 100644
--- a/packages/next-swc/crates/next-core/src/next_font/local/errors.rs
+++ b/packages/next-swc/crates/next-core/src/next_font/local/errors.rs
@@ -1,7 +1,8 @@
 use thiserror::Error;
+use turbo_tasks::RcStr;
 
 #[derive(Debug, Error)]
 pub enum FontError {
     #[error("could not find font file")]
-    FontFileNotFound(String),
+    FontFileNotFound(RcStr),
 }
diff --git a/packages/next-swc/crates/next-core/src/next_font/local/font_fallback.rs b/packages/next-swc/crates/next-core/src/next_font/local/font_fallback.rs
index 2aa3c618b84d9..cb272c388dd04 100644
--- a/packages/next-swc/crates/next-core/src/next_font/local/font_fallback.rs
+++ b/packages/next-swc/crates/next-core/src/next_font/local/font_fallback.rs
@@ -39,7 +39,7 @@ pub(super) async fn get_font_fallbacks(
         AdjustFontFallback::Arial => font_fallbacks.push(
             FontFallback::Automatic(AutomaticFontFallback {
                 scoped_font_family,
-                local_font_family: Vc::cell("Arial".to_owned()),
+                local_font_family: Vc::cell("Arial".into()),
                 adjustment: Some(
                     get_font_adjustment(context, options_vc, &DEFAULT_SANS_SERIF_FONT).await?,
                 ),
@@ -49,7 +49,7 @@ pub(super) async fn get_font_fallbacks(
         AdjustFontFallback::TimesNewRoman => font_fallbacks.push(
             FontFallback::Automatic(AutomaticFontFallback {
                 scoped_font_family,
-                local_font_family: Vc::cell("Times New Roman".to_owned()),
+                local_font_family: Vc::cell("Times New Roman".into()),
                 adjustment: Some(
                     get_font_adjustment(context, options_vc, &DEFAULT_SERIF_FONT).await?,
                 ),
@@ -164,7 +164,7 @@ fn pick_font_for_fallback_generation(
 
                 // Prefer normal style if they have the same weight
                 if used_font_distance == current_font_distance
-                    && current_descriptor.style != Some("italic".to_owned())
+                    && current_descriptor.style != Some("italic".into())
                 {
                     used_descriptor = current_descriptor;
                     continue;
@@ -251,6 +251,7 @@ fn parse_weight_string(weight_str: &str) -> Result<f64> {
 #[cfg(test)]
 mod tests {
     use anyhow::Result;
+    use turbo_tasks::RcStr;
 
     use crate::next_font::local::{
         font_fallback::pick_font_for_fallback_generation,
@@ -259,9 +260,9 @@ mod tests {
 
     fn generate_font_descriptor(weight: &FontWeight, style: &Option<String>) -> FontDescriptor {
         FontDescriptor {
-            ext: "ttf".to_owned(),
-            path: "foo.ttf".to_owned(),
-            style: style.clone(),
+            ext: "ttf".into(),
+            path: "foo.ttf".into(),
+            style: style.clone().map(RcStr::from),
             weight: Some(weight.clone()),
         }
     }
@@ -270,34 +271,34 @@ mod tests {
     fn test_picks_weight_closest_to_400() -> Result<()> {
         assert_eq!(
             pick_font_for_fallback_generation(&FontDescriptors::Many(vec![
-                generate_font_descriptor(&FontWeight::Fixed("300".to_owned()), &None),
-                generate_font_descriptor(&FontWeight::Fixed("600".to_owned()), &None)
+                generate_font_descriptor(&FontWeight::Fixed("300".into()), &None),
+                generate_font_descriptor(&FontWeight::Fixed("600".into()), &None)
             ]))?,
-            &generate_font_descriptor(&FontWeight::Fixed("300".to_owned()), &None)
+            &generate_font_descriptor(&FontWeight::Fixed("300".into()), &None)
         );
 
         assert_eq!(
             pick_font_for_fallback_generation(&FontDescriptors::Many(vec![
-                generate_font_descriptor(&FontWeight::Fixed("200".to_owned()), &None),
-                generate_font_descriptor(&FontWeight::Fixed("500".to_owned()), &None)
+                generate_font_descriptor(&FontWeight::Fixed("200".into()), &None),
+                generate_font_descriptor(&FontWeight::Fixed("500".into()), &None)
             ]))?,
-            &generate_font_descriptor(&FontWeight::Fixed("500".to_owned()), &None)
+            &generate_font_descriptor(&FontWeight::Fixed("500".into()), &None)
         );
 
         assert_eq!(
             pick_font_for_fallback_generation(&FontDescriptors::Many(vec![
-                generate_font_descriptor(&FontWeight::Fixed("normal".to_owned()), &None),
-                generate_font_descriptor(&FontWeight::Fixed("700".to_owned()), &None)
+                generate_font_descriptor(&FontWeight::Fixed("normal".into()), &None),
+                generate_font_descriptor(&FontWeight::Fixed("700".into()), &None)
             ]))?,
-            &generate_font_descriptor(&FontWeight::Fixed("normal".to_owned()), &None)
+            &generate_font_descriptor(&FontWeight::Fixed("normal".into()), &None)
         );
 
         assert_eq!(
             pick_font_for_fallback_generation(&FontDescriptors::Many(vec![
-                generate_font_descriptor(&FontWeight::Fixed("bold".to_owned()), &None),
-                generate_font_descriptor(&FontWeight::Fixed("900".to_owned()), &None)
+                generate_font_descriptor(&FontWeight::Fixed("bold".into()), &None),
+                generate_font_descriptor(&FontWeight::Fixed("900".into()), &None)
             ]))?,
-            &generate_font_descriptor(&FontWeight::Fixed("bold".to_owned()), &None)
+            &generate_font_descriptor(&FontWeight::Fixed("bold".into()), &None)
         );
 
         Ok(())
@@ -307,10 +308,10 @@ mod tests {
     fn test_picks_thinner_weight_if_same_distance_to_400() -> Result<()> {
         assert_eq!(
             pick_font_for_fallback_generation(&FontDescriptors::Many(vec![
-                generate_font_descriptor(&FontWeight::Fixed("300".to_owned()), &None),
-                generate_font_descriptor(&FontWeight::Fixed("500".to_owned()), &None)
+                generate_font_descriptor(&FontWeight::Fixed("300".into()), &None),
+                generate_font_descriptor(&FontWeight::Fixed("500".into()), &None)
             ]))?,
-            &generate_font_descriptor(&FontWeight::Fixed("300".to_owned()), &None)
+            &generate_font_descriptor(&FontWeight::Fixed("300".into()), &None)
         );
 
         Ok(())
@@ -320,53 +321,26 @@ mod tests {
     fn test_picks_variable_closest_to_400() -> Result<()> {
         assert_eq!(
             pick_font_for_fallback_generation(&FontDescriptors::Many(vec![
-                generate_font_descriptor(
-                    &FontWeight::Variable("100".to_owned(), "300".to_owned()),
-                    &None
-                ),
-                generate_font_descriptor(
-                    &FontWeight::Variable("600".to_owned(), "900".to_owned()),
-                    &None
-                )
+                generate_font_descriptor(&FontWeight::Variable("100".into(), "300".into()), &None),
+                generate_font_descriptor(&FontWeight::Variable("600".into(), "900".into()), &None)
             ]))?,
-            &generate_font_descriptor(
-                &FontWeight::Variable("100".to_owned(), "300".to_owned()),
-                &None
-            )
+            &generate_font_descriptor(&FontWeight::Variable("100".into(), "300".into()), &None)
         );
 
         assert_eq!(
             pick_font_for_fallback_generation(&FontDescriptors::Many(vec![
-                generate_font_descriptor(
-                    &FontWeight::Variable("100".to_owned(), "200".to_owned()),
-                    &None
-                ),
-                generate_font_descriptor(
-                    &FontWeight::Variable("500".to_owned(), "800".to_owned()),
-                    &None
-                )
+                generate_font_descriptor(&FontWeight::Variable("100".into(), "200".into()), &None),
+                generate_font_descriptor(&FontWeight::Variable("500".into(), "800".into()), &None)
             ]))?,
-            &generate_font_descriptor(
-                &FontWeight::Variable("500".to_owned(), "800".to_owned()),
-                &None
-            )
+            &generate_font_descriptor(&FontWeight::Variable("500".into(), "800".into()), &None)
         );
 
         assert_eq!(
             pick_font_for_fallback_generation(&FontDescriptors::Many(vec![
-                generate_font_descriptor(
-                    &FontWeight::Variable("100".to_owned(), "900".to_owned()),
-                    &None
-                ),
-                generate_font_descriptor(
-                    &FontWeight::Variable("300".to_owned(), "399".to_owned()),
-                    &None
-                )
+                generate_font_descriptor(&FontWeight::Variable("100".into(), "900".into()), &None),
+                generate_font_descriptor(&FontWeight::Variable("300".into(), "399".into()), &None)
             ]))?,
-            &generate_font_descriptor(
-                &FontWeight::Variable("100".to_owned(), "900".to_owned()),
-                &None
-            )
+            &generate_font_descriptor(&FontWeight::Variable("100".into(), "900".into()), &None)
         );
 
         Ok(())
@@ -376,19 +350,10 @@ mod tests {
     fn test_prefer_normal_over_italic() -> Result<()> {
         assert_eq!(
             pick_font_for_fallback_generation(&FontDescriptors::Many(vec![
-                generate_font_descriptor(
-                    &FontWeight::Fixed("400".to_owned()),
-                    &Some("normal".to_owned())
-                ),
-                generate_font_descriptor(
-                    &FontWeight::Fixed("400".to_owned()),
-                    &Some("italic".to_owned())
-                )
+                generate_font_descriptor(&FontWeight::Fixed("400".into()), &Some("normal".into())),
+                generate_font_descriptor(&FontWeight::Fixed("400".into()), &Some("italic".into()))
             ]))?,
-            &generate_font_descriptor(
-                &FontWeight::Fixed("400".to_owned()),
-                &Some("normal".to_owned())
-            )
+            &generate_font_descriptor(&FontWeight::Fixed("400".into()), &Some("normal".into()))
         );
 
         Ok(())
@@ -397,22 +362,10 @@ mod tests {
     #[test]
     fn test_errors_on_invalid_weight() -> Result<()> {
         match pick_font_for_fallback_generation(&FontDescriptors::Many(vec![
-            generate_font_descriptor(
-                &FontWeight::Variable("normal".to_owned(), "bold".to_owned()),
-                &None,
-            ),
-            generate_font_descriptor(
-                &FontWeight::Variable("400".to_owned(), "bold".to_owned()),
-                &None,
-            ),
-            generate_font_descriptor(
-                &FontWeight::Variable("normal".to_owned(), "700".to_owned()),
-                &None,
-            ),
-            generate_font_descriptor(
-                &FontWeight::Variable("100".to_owned(), "abc".to_owned()),
-                &None,
-            ),
+            generate_font_descriptor(&FontWeight::Variable("normal".into(), "bold".into()), &None),
+            generate_font_descriptor(&FontWeight::Variable("400".into(), "bold".into()), &None),
+            generate_font_descriptor(&FontWeight::Variable("normal".into(), "700".into()), &None),
+            generate_font_descriptor(&FontWeight::Variable("100".into(), "abc".into()), &None),
         ])) {
             Ok(_) => panic!(),
             Err(err) => {
diff --git a/packages/next-swc/crates/next-core/src/next_font/local/mod.rs b/packages/next-swc/crates/next-core/src/next_font/local/mod.rs
index fa68b5309254e..78740b883106b 100644
--- a/packages/next-swc/crates/next-core/src/next_font/local/mod.rs
+++ b/packages/next-swc/crates/next-core/src/next_font/local/mod.rs
@@ -1,7 +1,7 @@
 use anyhow::{bail, Context, Result};
 use indoc::formatdoc;
 use serde::{Deserialize, Serialize};
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 use turbo_tasks_fs::glob::Glob;
 use turbopack_binding::{
     turbo::{
@@ -48,7 +48,7 @@ pub mod util;
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
 struct NextFontLocalFontFileOptions {
-    pub path: String,
+    pub path: RcStr,
     pub preload: bool,
     pub has_size_adjust: bool,
 }
@@ -71,7 +71,7 @@ impl BeforeResolvePlugin for NextFontLocalResolvePlugin {
     #[turbo_tasks::function]
     async fn before_resolve_condition(&self) -> Vc<BeforeResolvePluginCondition> {
         BeforeResolvePluginCondition::new(Glob::new(
-            "{next,@vercel/turbopack-next/internal}/font/local/*".to_string(),
+            "{next,@vercel/turbopack-next/internal}/font/local/*".into(),
         ))
     }
 
@@ -119,18 +119,21 @@ impl BeforeResolvePlugin for NextFontLocalResolvePlugin {
                         {
                             FontResolvingIssue {
                                 origin_path: lookup_path,
-                                font_path: Vc::cell(font_path.to_string()),
+                                font_path: Vc::cell(font_path.clone()),
                             }
                             .cell()
                             .emit();
 
                             return Ok(ResolveResultOption::some(
                                 ResolveResult::primary_with_key(
-                                    RequestKey::new(font_path.to_string()),
-                                    ResolveResultItem::Error(Vc::cell(format!(
-                                        "Font file not found: Can't resolve {}'",
-                                        font_path
-                                    ))),
+                                    RequestKey::new(font_path.clone()),
+                                    ResolveResultItem::Error(Vc::cell(
+                                        format!(
+                                            "Font file not found: Can't resolve {}'",
+                                            font_path
+                                        )
+                                        .into(),
+                                    )),
                                 )
                                 .into(),
                             ));
@@ -173,10 +176,13 @@ impl BeforeResolvePlugin for NextFontLocalResolvePlugin {
                         .unwrap_or_else(|| "".to_owned()),
                 );
                 let js_asset = VirtualSource::new(
-                    lookup_path.join(format!(
-                        "{}.js",
-                        get_request_id(options_vc.font_family(), request_hash).await?
-                    )),
+                    lookup_path.join(
+                        format!(
+                            "{}.js",
+                            get_request_id(options_vc.font_family(), request_hash).await?
+                        )
+                        .into(),
+                    ),
                     AssetContent::file(FileContent::Content(file_content.into()).into()),
                 );
 
@@ -188,10 +194,13 @@ impl BeforeResolvePlugin for NextFontLocalResolvePlugin {
                 let query = query_vc.await?.to_string();
                 let request_hash = get_request_hash(&query).await?;
                 let options = font_options_from_query_map(*query_vc);
-                let css_virtual_path = lookup_path.join(format!(
-                    "/{}.module.css",
-                    get_request_id(options.font_family(), request_hash).await?
-                ));
+                let css_virtual_path = lookup_path.join(
+                    format!(
+                        "/{}.module.css",
+                        get_request_id(options.font_family(), request_hash).await?
+                    )
+                    .into(),
+                );
                 let fallback = get_font_fallbacks(lookup_path, options);
 
                 let stylesheet = build_stylesheet(
@@ -229,7 +238,7 @@ impl BeforeResolvePlugin for NextFontLocalResolvePlugin {
                     name.push_str(".p")
                 }
 
-                let font_virtual_path = lookup_path.join(format!("/{}.{}", name, ext));
+                let font_virtual_path = lookup_path.join(format!("/{}.{}", name, ext).into());
 
                 let font_file = lookup_path.join(path.clone()).read();
 
@@ -264,7 +273,7 @@ async fn get_font_css_properties(
                 // Don't include values for variable fonts. These are included in font-face
                 // definitions only.
                 .filter(|w| !matches!(w, FontWeight::Variable(_, _)))
-                .map(|w| w.to_string()),
+                .map(|w| w.to_string().into()),
         }),
         style: Vc::cell(match &options.fonts {
             FontDescriptors::Many(_) => None,
@@ -277,7 +286,7 @@ async fn get_font_css_properties(
 }
 
 #[turbo_tasks::function]
-async fn font_options_from_query_map(query: Vc<String>) -> Result<Vc<NextFontLocalOptions>> {
+async fn font_options_from_query_map(query: Vc<RcStr>) -> Result<Vc<NextFontLocalOptions>> {
     let query_map = qstring::QString::from(&**query.await?);
 
     if query_map.len() != 1 {
@@ -293,7 +302,7 @@ async fn font_options_from_query_map(query: Vc<String>) -> Result<Vc<NextFontLoc
 }
 
 async fn font_file_options_from_query_map(
-    query: Vc<String>,
+    query: Vc<RcStr>,
 ) -> Result<NextFontLocalFontFileOptions> {
     let query_map = qstring::QString::from(&**query.await?);
 
@@ -310,7 +319,7 @@ async fn font_file_options_from_query_map(
 
 #[turbo_tasks::value(shared)]
 struct FontResolvingIssue {
-    font_path: Vc<String>,
+    font_path: Vc<RcStr>,
     origin_path: Vc<FileSystemPath>,
 }
 
@@ -335,9 +344,9 @@ impl Issue for FontResolvingIssue {
     async fn title(self: Vc<Self>) -> Result<Vc<StyledString>> {
         let this = self.await?;
         Ok(StyledString::Line(vec![
-            StyledString::Text("Font file not found: Can't resolve '".to_string()),
-            StyledString::Code(this.font_path.await?.to_string()),
-            StyledString::Text("'".to_string()),
+            StyledString::Text("Font file not found: Can't resolve '".into()),
+            StyledString::Code(this.font_path.await?.clone_value()),
+            StyledString::Text("'".into()),
         ])
         .cell())
     }
diff --git a/packages/next-swc/crates/next-core/src/next_font/local/options.rs b/packages/next-swc/crates/next-core/src/next_font/local/options.rs
index 74e153e6ef556..44fcddb0fcb89 100644
--- a/packages/next-swc/crates/next-core/src/next_font/local/options.rs
+++ b/packages/next-swc/crates/next-core/src/next_font/local/options.rs
@@ -2,7 +2,7 @@ use std::{fmt::Display, str::FromStr};
 
 use anyhow::{Context, Result};
 use serde::{Deserialize, Serialize};
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 use turbopack_binding::turbo::tasks::{trace::TraceRawVcs, Value};
 
 use super::request::{
@@ -17,21 +17,21 @@ use super::request::{
 pub(super) struct NextFontLocalOptions {
     pub fonts: FontDescriptors,
     pub default_weight: Option<FontWeight>,
-    pub default_style: Option<String>,
+    pub default_style: Option<RcStr>,
     /// The desired css `font-display` property
-    pub display: String,
+    pub display: RcStr,
     pub preload: bool,
     /// A list of manually-provided fallback fonts to be included in the
     /// font-family string as-is.
-    pub fallback: Option<Vec<String>>,
+    pub fallback: Option<Vec<RcStr>>,
     /// The user's desired fallback font
     pub adjust_font_fallback: AdjustFontFallback,
     /// An optional name for a css custom property (css variable) that applies
     /// the font family when used.
-    pub variable: Option<String>,
+    pub variable: Option<RcStr>,
     /// The name of the variable assigned to the results of calling the
     /// `localFont` function. This is used as the font family's base name.
-    pub variable_name: String,
+    pub variable_name: RcStr,
 }
 
 #[turbo_tasks::value_impl]
@@ -42,8 +42,8 @@ impl NextFontLocalOptions {
     }
 
     #[turbo_tasks::function]
-    pub async fn font_family(self: Vc<Self>) -> Result<Vc<String>> {
-        Ok(Vc::cell((*self.await?.variable_name).to_owned()))
+    pub async fn font_family(self: Vc<Self>) -> Result<Vc<RcStr>> {
+        Ok(Vc::cell(self.await?.variable_name.clone()))
     }
 }
 
@@ -54,9 +54,9 @@ impl NextFontLocalOptions {
 )]
 pub(super) struct FontDescriptor {
     pub weight: Option<FontWeight>,
-    pub style: Option<String>,
-    pub path: String,
-    pub ext: String,
+    pub style: Option<RcStr>,
+    pub path: RcStr,
+    pub ext: RcStr,
 }
 
 impl FontDescriptor {
@@ -66,10 +66,10 @@ impl FontDescriptor {
             .rsplit('.')
             .next()
             .context("Extension required")?
-            .to_owned();
+            .into();
 
         Ok(Self {
-            path: src_descriptor.path.to_owned(),
+            path: src_descriptor.path.clone(),
             weight: src_descriptor
                 .weight
                 .as_ref()
@@ -96,8 +96,8 @@ pub(super) enum FontDescriptors {
     Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Deserialize, Serialize, Hash, TraceRawVcs,
 )]
 pub(super) enum FontWeight {
-    Variable(String, String),
-    Fixed(String),
+    Variable(RcStr, RcStr),
+    Fixed(RcStr),
 }
 
 pub struct ParseFontWeightErr;
@@ -106,9 +106,9 @@ impl FromStr for FontWeight {
 
     fn from_str(weight_str: &str) -> std::result::Result<Self, Self::Err> {
         if let Some((start, end)) = weight_str.split_once(' ') {
-            Ok(FontWeight::Variable(start.to_owned(), end.to_owned()))
+            Ok(FontWeight::Variable(start.into(), end.into()))
         } else {
-            Ok(FontWeight::Fixed(weight_str.to_owned()))
+            Ok(FontWeight::Fixed(weight_str.into()))
         }
     }
 }
@@ -120,7 +120,7 @@ impl Display for FontWeight {
             "{}",
             match self {
                 Self::Variable(start, end) => format!("{} {}", start, end),
-                Self::Fixed(val) => val.to_owned(),
+                Self::Fixed(val) => val.to_string(),
             }
         )
     }
@@ -151,16 +151,16 @@ pub(super) fn options_from_request(request: &NextFontLocalRequest) -> Result<Nex
         ),
         SrcRequest::One(path) => {
             FontDescriptors::One(FontDescriptor::from_src_request(&SrcDescriptor {
-                path: path.to_owned(),
-                weight: weight.to_owned(),
-                style: style.to_owned(),
+                path: path.as_str().into(),
+                weight: weight.as_deref().map(RcStr::from),
+                style: style.as_deref().map(RcStr::from),
             })?)
         }
     };
 
     Ok(NextFontLocalOptions {
         fonts,
-        display: display.to_owned(),
+        display: display.as_str().into(),
         preload: preload.to_owned(),
         fallback: fallback.to_owned(),
         adjust_font_fallback: adjust_font_fallback.to_owned(),
@@ -201,19 +201,19 @@ mod tests {
             options_from_request(&request)?,
             NextFontLocalOptions {
                 fonts: FontDescriptors::One(FontDescriptor {
-                    path: "./Roboto-Regular.ttf".to_owned(),
+                    path: "./Roboto-Regular.ttf".into(),
                     weight: None,
                     style: None,
-                    ext: "ttf".to_owned(),
+                    ext: "ttf".into(),
                 }),
                 default_style: None,
                 default_weight: None,
-                display: "swap".to_owned(),
+                display: "swap".into(),
                 preload: true,
                 fallback: None,
                 adjust_font_fallback: AdjustFontFallback::Arial,
                 variable: None,
-                variable_name: "myFont".to_owned()
+                variable_name: "myFont".into()
             },
         );
 
@@ -249,26 +249,26 @@ mod tests {
             NextFontLocalOptions {
                 fonts: FontDescriptors::Many(vec![
                     FontDescriptor {
-                        path: "./Roboto-Regular.ttf".to_owned(),
-                        weight: Some(FontWeight::Fixed("400".to_owned())),
-                        style: Some("normal".to_owned()),
-                        ext: "ttf".to_owned(),
+                        path: "./Roboto-Regular.ttf".into(),
+                        weight: Some(FontWeight::Fixed("400".into())),
+                        style: Some("normal".into()),
+                        ext: "ttf".into(),
                     },
                     FontDescriptor {
-                        path: "./Roboto-Italic.ttf".to_owned(),
-                        weight: Some(FontWeight::Fixed("400".to_owned())),
+                        path: "./Roboto-Italic.ttf".into(),
+                        weight: Some(FontWeight::Fixed("400".into())),
                         style: None,
-                        ext: "ttf".to_owned(),
+                        ext: "ttf".into(),
                     }
                 ]),
-                default_weight: Some(FontWeight::Fixed("300".to_owned())),
-                default_style: Some("italic".to_owned()),
-                display: "swap".to_owned(),
+                default_weight: Some(FontWeight::Fixed("300".into())),
+                default_style: Some("italic".into()),
+                display: "swap".into(),
                 preload: true,
                 fallback: None,
                 adjust_font_fallback: AdjustFontFallback::Arial,
                 variable: None,
-                variable_name: "myFont".to_owned()
+                variable_name: "myFont".into()
             },
         );
 
@@ -329,19 +329,19 @@ mod tests {
             options_from_request(&request)?,
             NextFontLocalOptions {
                 fonts: FontDescriptors::One(FontDescriptor {
-                    path: "./Roboto-Regular.woff".to_owned(),
-                    weight: Some(FontWeight::Fixed("500".to_owned())),
-                    style: Some("italic".to_owned()),
-                    ext: "woff".to_owned(),
+                    path: "./Roboto-Regular.woff".into(),
+                    weight: Some(FontWeight::Fixed("500".into())),
+                    style: Some("italic".into()),
+                    ext: "woff".into(),
                 }),
-                default_style: Some("italic".to_owned()),
-                default_weight: Some(FontWeight::Fixed("500".to_owned())),
-                display: "optional".to_owned(),
+                default_style: Some("italic".into()),
+                default_weight: Some(FontWeight::Fixed("500".into())),
+                display: "optional".into(),
                 preload: false,
-                fallback: Some(vec!["Fallback".to_owned()]),
+                fallback: Some(vec!["Fallback".into()]),
                 adjust_font_fallback: AdjustFontFallback::TimesNewRoman,
-                variable: Some("myvar".to_owned()),
-                variable_name: "myFont".to_owned()
+                variable: Some("myvar".into()),
+                variable_name: "myFont".into()
             },
         );
 
diff --git a/packages/next-swc/crates/next-core/src/next_font/local/request.rs b/packages/next-swc/crates/next-core/src/next_font/local/request.rs
index aa6710c108f69..b04bde2deb416 100644
--- a/packages/next-swc/crates/next-core/src/next_font/local/request.rs
+++ b/packages/next-swc/crates/next-core/src/next_font/local/request.rs
@@ -1,4 +1,5 @@
 use serde::{Deserialize, Serialize};
+use turbo_tasks::RcStr;
 use turbopack_binding::turbo::tasks::trace::TraceRawVcs;
 
 /// The top-most structure encoded into the query param in requests to
@@ -8,40 +9,40 @@ use turbopack_binding::turbo::tasks::trace::TraceRawVcs;
 #[serde(rename_all = "camelCase")]
 pub(super) struct NextFontLocalRequest {
     pub arguments: (NextFontLocalRequestArguments,),
-    pub variable_name: String,
+    pub variable_name: RcStr,
 }
 
 #[derive(Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub(super) struct NextFontLocalRequestArguments {
     pub src: SrcRequest,
-    pub weight: Option<String>,
-    pub style: Option<String>,
+    pub weight: Option<RcStr>,
+    pub style: Option<RcStr>,
     #[serde(default = "default_display")]
-    pub display: String,
+    pub display: RcStr,
     #[serde(default = "default_preload")]
     pub preload: bool,
-    pub fallback: Option<Vec<String>>,
+    pub fallback: Option<Vec<RcStr>>,
     #[serde(
         default = "default_adjust_font_fallback",
         deserialize_with = "deserialize_adjust_font_fallback"
     )]
     pub adjust_font_fallback: AdjustFontFallback,
-    pub variable: Option<String>,
+    pub variable: Option<RcStr>,
 }
 
 #[derive(Debug, Deserialize)]
 #[serde(untagged)]
 pub(super) enum SrcRequest {
-    One(String),
+    One(RcStr),
     Many(Vec<SrcDescriptor>),
 }
 
 #[derive(Clone, Debug, Deserialize)]
 pub(super) struct SrcDescriptor {
-    pub path: String,
-    pub weight: Option<String>,
-    pub style: Option<String>,
+    pub path: RcStr,
+    pub weight: Option<RcStr>,
+    pub style: Option<RcStr>,
 }
 
 /// The user's desired fallback font
@@ -99,8 +100,8 @@ fn default_preload() -> bool {
     true
 }
 
-fn default_display() -> String {
-    "swap".to_owned()
+fn default_display() -> RcStr {
+    "swap".into()
 }
 
 #[cfg(test)]
diff --git a/packages/next-swc/crates/next-core/src/next_font/local/stylesheet.rs b/packages/next-swc/crates/next-core/src/next_font/local/stylesheet.rs
index 1067c4029aa5c..c0167abe39dca 100644
--- a/packages/next-swc/crates/next-core/src/next_font/local/stylesheet.rs
+++ b/packages/next-swc/crates/next-core/src/next_font/local/stylesheet.rs
@@ -1,6 +1,6 @@
 use anyhow::{bail, Result};
 use indoc::formatdoc;
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 
 use super::options::{FontDescriptors, NextFontLocalOptions};
 use crate::next_font::{
@@ -15,30 +15,33 @@ pub(super) async fn build_stylesheet(
     options: Vc<NextFontLocalOptions>,
     fallbacks: Vc<FontFallbacks>,
     css_properties: Vc<FontCssProperties>,
-) -> Result<Vc<String>> {
+) -> Result<Vc<RcStr>> {
     let scoped_font_family =
         get_scoped_font_family(FontFamilyType::WebFont.cell(), options.font_family());
 
-    Ok(Vc::cell(formatdoc!(
-        r#"
+    Ok(Vc::cell(
+        formatdoc!(
+            r#"
             {}
             {}
             {}
         "#,
-        *build_font_face_definitions(scoped_font_family, options, fallbacks.has_size_adjust())
-            .await?,
-        (*build_fallback_definition(fallbacks).await?),
-        *build_font_class_rules(css_properties).await?
-    )))
+            *build_font_face_definitions(scoped_font_family, options, fallbacks.has_size_adjust())
+                .await?,
+            (*build_fallback_definition(fallbacks).await?),
+            *build_font_class_rules(css_properties).await?
+        )
+        .into(),
+    ))
 }
 
 /// Builds a string of `@font-face` definitions for each local font file
 #[turbo_tasks::function]
 pub(super) async fn build_font_face_definitions(
-    scoped_font_family: Vc<String>,
+    scoped_font_family: Vc<RcStr>,
     options: Vc<NextFontLocalOptions>,
     has_size_adjust: Vc<bool>,
-) -> Result<Vc<String>> {
+) -> Result<Vc<RcStr>> {
     let options = &*options.await?;
 
     let mut definitions = String::new();
@@ -83,7 +86,7 @@ pub(super) async fn build_font_face_definitions(
         ));
     }
 
-    Ok(Vc::cell(definitions))
+    Ok(Vc::cell(definitions.into()))
 }
 
 /// Used as e.g. `format('woff')` in `src` properties in `@font-face`
diff --git a/packages/next-swc/crates/next-core/src/next_font/local/util.rs b/packages/next-swc/crates/next-core/src/next_font/local/util.rs
index ff3b7c295237a..63d3c89ff39f2 100644
--- a/packages/next-swc/crates/next-core/src/next_font/local/util.rs
+++ b/packages/next-swc/crates/next-core/src/next_font/local/util.rs
@@ -1,5 +1,5 @@
 use anyhow::Result;
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 
 use super::options::NextFontLocalOptions;
 use crate::next_font::{
@@ -12,16 +12,17 @@ use crate::next_font::{
 pub(super) async fn build_font_family_string(
     options: Vc<NextFontLocalOptions>,
     font_fallbacks: Vc<FontFallbacks>,
-) -> Result<Vc<String>> {
+) -> Result<Vc<RcStr>> {
     let mut font_families = vec![format!(
         "'{}'",
         *get_scoped_font_family(FontFamilyType::WebFont.cell(), options.font_family(),).await?
-    )];
+    )
+    .into()];
 
     for font_fallback in &*font_fallbacks.await? {
         match &*font_fallback.await? {
             FontFallback::Automatic(fallback) => {
-                font_families.push(format!("'{}'", *fallback.scoped_font_family.await?));
+                font_families.push(format!("'{}'", *fallback.scoped_font_family.await?).into());
             }
             FontFallback::Manual(fallbacks) => {
                 font_families.extend_from_slice(fallbacks);
@@ -30,5 +31,5 @@ pub(super) async fn build_font_family_string(
         }
     }
 
-    Ok(Vc::cell(font_families.join(", ")))
+    Ok(Vc::cell(font_families.join(", ").into()))
 }
diff --git a/packages/next-swc/crates/next-core/src/next_font/stylesheet.rs b/packages/next-swc/crates/next-core/src/next_font/stylesheet.rs
index 64d02a44b1b31..307a53d5e1a31 100644
--- a/packages/next-swc/crates/next-core/src/next_font/stylesheet.rs
+++ b/packages/next-swc/crates/next-core/src/next_font/stylesheet.rs
@@ -1,6 +1,6 @@
 use anyhow::Result;
 use indoc::formatdoc;
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 
 use super::{
     font_fallback::{FontFallback, FontFallbacks},
@@ -9,7 +9,7 @@ use super::{
 
 /// Builds `@font-face` stylesheet definition for a given FontFallback
 #[turbo_tasks::function]
-pub(crate) async fn build_fallback_definition(fallbacks: Vc<FontFallbacks>) -> Result<Vc<String>> {
+pub(crate) async fn build_fallback_definition(fallbacks: Vc<FontFallbacks>) -> Result<Vc<RcStr>> {
     let mut res = "".to_owned();
     for fallback_vc in &*fallbacks.await? {
         if let FontFallback::Automatic(fallback) = &*fallback_vc.await? {
@@ -44,13 +44,13 @@ pub(crate) async fn build_fallback_definition(fallbacks: Vc<FontFallbacks>) -> R
         }
     }
 
-    Ok(Vc::cell(res))
+    Ok(Vc::cell(res.into()))
 }
 
 #[turbo_tasks::function]
 pub(super) async fn build_font_class_rules(
     css_properties: Vc<FontCssProperties>,
-) -> Result<Vc<String>> {
+) -> Result<Vc<RcStr>> {
     let css_properties = &*css_properties.await?;
     let font_family_string = &*css_properties.font_family.await?;
 
@@ -88,7 +88,7 @@ pub(super) async fn build_font_class_rules(
         ))
     }
 
-    Ok(Vc::cell(rules))
+    Ok(Vc::cell(rules.into()))
 }
 
 fn format_fixed_percentage(value: f64) -> String {
diff --git a/packages/next-swc/crates/next-core/src/next_font/util.rs b/packages/next-swc/crates/next-core/src/next_font/util.rs
index 2c0186707cd9f..58ec8e45ccab8 100644
--- a/packages/next-swc/crates/next-core/src/next_font/util.rs
+++ b/packages/next-swc/crates/next-core/src/next_font/util.rs
@@ -1,6 +1,6 @@
 use anyhow::{Context, Result};
 use serde::Deserialize;
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 use turbo_tasks_fs::{json::parse_json_with_source_context, FileSystemPath};
 use turbopack_binding::{
     turbo::tasks_hash::hash_xxh3_hash64,
@@ -14,10 +14,10 @@ use super::issue::NextFontIssue;
 /// module.
 #[turbo_tasks::value(shared)]
 pub(crate) struct FontCssProperties {
-    pub font_family: Vc<String>,
-    pub weight: Vc<Option<String>>,
-    pub style: Vc<Option<String>>,
-    pub variable: Vc<Option<String>>,
+    pub font_family: Vc<RcStr>,
+    pub weight: Vc<Option<RcStr>>,
+    pub style: Vc<Option<RcStr>>,
+    pub variable: Vc<Option<RcStr>>,
 }
 
 /// A hash of the requested querymap derived from how the user invoked
@@ -52,35 +52,38 @@ pub(crate) enum FontFamilyType {
 #[turbo_tasks::function]
 pub(crate) async fn get_scoped_font_family(
     ty: Vc<FontFamilyType>,
-    font_family_name: Vc<String>,
-) -> Result<Vc<String>> {
+    font_family_name: Vc<RcStr>,
+) -> Result<Vc<RcStr>> {
     let font_family_base = font_family_name.await?.to_string();
     let font_family_name = match &*ty.await? {
         FontFamilyType::WebFont => font_family_base,
         FontFamilyType::Fallback => format!("{} Fallback", font_family_base),
     };
 
-    Ok(Vc::cell(font_family_name))
+    Ok(Vc::cell(font_family_name.into()))
 }
 
 /// Returns a [Vc] for [String] uniquely identifying the request for the font.
 #[turbo_tasks::function]
-pub async fn get_request_id(font_family: Vc<String>, request_hash: u32) -> Result<Vc<String>> {
-    Ok(Vc::cell(format!(
-        "{}_{:x?}",
-        font_family.await?.to_lowercase().replace(' ', "_"),
-        request_hash
-    )))
+pub async fn get_request_id(font_family: Vc<RcStr>, request_hash: u32) -> Result<Vc<RcStr>> {
+    Ok(Vc::cell(
+        format!(
+            "{}_{:x?}",
+            font_family.await?.to_lowercase().replace(' ', "_"),
+            request_hash
+        )
+        .into(),
+    ))
 }
 
 #[derive(Debug, Deserialize)]
 struct HasPath {
-    path: String,
+    path: RcStr,
 }
 
 pub(crate) async fn can_use_next_font(
     project_path: Vc<FileSystemPath>,
-    query: Vc<String>,
+    query: Vc<RcStr>,
 ) -> Result<bool> {
     let query_map = qstring::QString::from(&**query.await?);
     let request: HasPath = parse_json_with_source_context(
@@ -98,12 +101,12 @@ pub(crate) async fn can_use_next_font(
         NextFontIssue {
             path,
             title: StyledString::Line(vec![
-                StyledString::Code("next/font:".to_string()),
-                StyledString::Text(" error:".to_string()),
+                StyledString::Code("next/font:".into()),
+                StyledString::Text(" error:".into()),
             ])
             .cell(),
             description: StyledString::Line(vec![
-                StyledString::Text("Cannot be used within ".to_string()),
+                StyledString::Text("Cannot be used within ".into()),
                 StyledString::Code(request.path),
             ])
             .cell(),
diff --git a/packages/next-swc/crates/next-core/src/next_image/module.rs b/packages/next-swc/crates/next-core/src/next_image/module.rs
index 459c6517cc6aa..f0c2ee7e60168 100644
--- a/packages/next-swc/crates/next-core/src/next_image/module.rs
+++ b/packages/next-swc/crates/next-core/src/next_image/module.rs
@@ -57,7 +57,7 @@ impl StructuredImageModuleType {
                     .cell(),
                 ),
                 Value::new(ReferenceType::Internal(Vc::cell(indexmap!(
-                    "IMAGE".to_string() => Vc::upcast(static_asset)
+                    "IMAGE".into() => Vc::upcast(static_asset)
                 )))),
             )
             .module();
diff --git a/packages/next-swc/crates/next-core/src/next_image/source_asset.rs b/packages/next-swc/crates/next-core/src/next_image/source_asset.rs
index 7148b0fbc029d..b046670133a44 100644
--- a/packages/next-swc/crates/next-core/src/next_image/source_asset.rs
+++ b/packages/next-swc/crates/next-core/src/next_image/source_asset.rs
@@ -1,7 +1,7 @@
 use std::io::Write;
 
 use anyhow::{bail, Result};
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 use turbopack_binding::{
     turbo::tasks_fs::{rope::RopeBuilder, FileContent},
     turbopack::{
@@ -17,8 +17,8 @@ use turbopack_binding::{
 
 use super::module::BlurPlaceholderMode;
 
-fn modifier() -> Vc<String> {
-    Vc::cell("structured image object".to_string())
+fn modifier() -> Vc<RcStr> {
+    Vc::cell("structured image object".into())
 }
 
 #[turbo_tasks::function]
@@ -45,7 +45,7 @@ impl Source for StructuredImageFileSource {
         self.image
             .ident()
             .with_modifier(modifier())
-            .rename_as("*.mjs".to_string())
+            .rename_as("*.mjs".into())
     }
 }
 
diff --git a/packages/next-swc/crates/next-core/src/next_import_map.rs b/packages/next-swc/crates/next-core/src/next_import_map.rs
index 61199c2af4c88..27cc8b0216a84 100644
--- a/packages/next-swc/crates/next-core/src/next_import_map.rs
+++ b/packages/next-swc/crates/next-core/src/next_import_map.rs
@@ -2,7 +2,7 @@ use std::collections::{BTreeMap, HashMap};
 
 use anyhow::{Context, Result};
 use indexmap::{indexmap, IndexMap};
-use turbo_tasks::{Value, Vc};
+use turbo_tasks::{RcStr, Value, Vc};
 use turbopack_binding::{
     turbo::tasks_fs::{FileSystem, FileSystemPath},
     turbopack::{
@@ -249,11 +249,7 @@ pub fn get_next_build_import_map() -> Vc<ImportMap> {
     import_map.insert_exact_alias("styled-jsx", external);
     import_map.insert_exact_alias(
         "styled-jsx/style",
-        ImportMapping::External(
-            Some("styled-jsx/style.js".to_string()),
-            ExternalType::CommonJs,
-        )
-        .cell(),
+        ImportMapping::External(Some("styled-jsx/style.js".into()), ExternalType::CommonJs).cell(),
     );
     import_map.insert_wildcard_alias("styled-jsx/", external);
 
@@ -330,11 +326,8 @@ pub async fn get_next_server_import_map(
             import_map.insert_exact_alias("styled-jsx", external);
             import_map.insert_exact_alias(
                 "styled-jsx/style",
-                ImportMapping::External(
-                    Some("styled-jsx/style.js".to_string()),
-                    ExternalType::CommonJs,
-                )
-                .cell(),
+                ImportMapping::External(Some("styled-jsx/style.js".into()), ExternalType::CommonJs)
+                    .cell(),
             );
             import_map.insert_wildcard_alias("styled-jsx/", external);
             // TODO: we should not bundle next/dist/build/utils in the pages renderer at all
@@ -739,8 +732,8 @@ async fn rsc_aliases(
     Ok(())
 }
 
-pub fn mdx_import_source_file() -> String {
-    format!("{VIRTUAL_PACKAGE_NAME}/mdx-import-source")
+pub fn mdx_import_source_file() -> RcStr {
+    format!("{VIRTUAL_PACKAGE_NAME}/mdx-import-source").into()
 }
 
 // Insert aliases for Next.js stubs of fetch, object-assign, and url
@@ -905,9 +898,7 @@ pub async fn get_next_package(context_directory: Vc<FileSystemPath>) -> Result<V
     let result = resolve(
         context_directory,
         Value::new(ReferenceType::CommonJs(CommonJsReferenceSubType::Undefined)),
-        Request::parse(Value::new(Pattern::Constant(
-            "next/package.json".to_string(),
-        ))),
+        Request::parse(Value::new(Pattern::Constant("next/package.json".into()))),
         node_cjs_resolve_options(context_directory.root()),
     );
     let source = result
@@ -923,7 +914,7 @@ pub async fn insert_alias_option<const N: usize>(
     alias_options: Vc<ResolveAliasMap>,
     conditions: [&'static str; N],
 ) -> Result<()> {
-    let conditions = BTreeMap::from(conditions.map(|c| (c.to_string(), ConditionValue::Set)));
+    let conditions = BTreeMap::from(conditions.map(|c| (c.into(), ConditionValue::Set)));
     for (alias, value) in &alias_options.await? {
         if let Some(mapping) = export_value_to_import_mapping(value, &conditions, project_path) {
             import_map.insert_alias(alias, mapping);
@@ -934,7 +925,7 @@ pub async fn insert_alias_option<const N: usize>(
 
 fn export_value_to_import_mapping(
     value: &SubpathValue,
-    conditions: &BTreeMap<String, ConditionValue>,
+    conditions: &BTreeMap<RcStr, ConditionValue>,
     project_path: Vc<FileSystemPath>,
 ) -> Option<Vc<ImportMapping>> {
     let mut result = Vec::new();
@@ -948,13 +939,13 @@ fn export_value_to_import_mapping(
         None
     } else {
         Some(if result.len() == 1 {
-            ImportMapping::PrimaryAlternative(result[0].0.to_string(), Some(project_path)).cell()
+            ImportMapping::PrimaryAlternative(result[0].0.into(), Some(project_path)).cell()
         } else {
             ImportMapping::Alternatives(
                 result
                     .iter()
                     .map(|(m, _)| {
-                        ImportMapping::PrimaryAlternative(m.to_string(), Some(project_path)).cell()
+                        ImportMapping::PrimaryAlternative((*m).into(), Some(project_path)).cell()
                     })
                     .collect(),
             )
@@ -990,7 +981,10 @@ fn insert_alias_to_alternatives<'a>(
     alias: impl Into<String> + 'a,
     alternatives: Vec<Vc<ImportMapping>>,
 ) {
-    import_map.insert_exact_alias(alias, ImportMapping::Alternatives(alternatives).into());
+    import_map.insert_exact_alias(
+        alias.into(),
+        ImportMapping::Alternatives(alternatives).into(),
+    );
 }
 
 /// Inserts an alias to an import mapping into an import map.
@@ -1001,7 +995,7 @@ fn insert_package_alias(
 ) {
     import_map.insert_wildcard_alias(
         prefix,
-        ImportMapping::PrimaryAlternative("./*".to_string(), Some(package_root)).cell(),
+        ImportMapping::PrimaryAlternative("./*".into(), Some(package_root)).cell(),
     );
 }
 
@@ -1017,11 +1011,11 @@ fn insert_turbopack_dev_alias(import_map: &mut ImportMap) {
 /// Creates a direct import mapping to the result of resolving a request
 /// in a context.
 fn request_to_import_mapping(context_path: Vc<FileSystemPath>, request: &str) -> Vc<ImportMapping> {
-    ImportMapping::PrimaryAlternative(request.to_string(), Some(context_path)).cell()
+    ImportMapping::PrimaryAlternative(request.into(), Some(context_path)).cell()
 }
 
 /// Creates a direct import mapping to the result of resolving an external
 /// request.
 fn external_request_to_import_mapping(request: &str) -> Vc<ImportMapping> {
-    ImportMapping::External(Some(request.to_string()), ExternalType::CommonJs).into()
+    ImportMapping::External(Some(request.into()), ExternalType::CommonJs).into()
 }
diff --git a/packages/next-swc/crates/next-core/src/next_manifests/client_reference_manifest.rs b/packages/next-swc/crates/next-core/src/next_manifests/client_reference_manifest.rs
index 2d9e831b41c5a..082f35cba9808 100644
--- a/packages/next-swc/crates/next-core/src/next_manifests/client_reference_manifest.rs
+++ b/packages/next-swc/crates/next-core/src/next_manifests/client_reference_manifest.rs
@@ -1,6 +1,6 @@
 use anyhow::Result;
 use indoc::formatdoc;
-use turbo_tasks::{TryJoinIterExt, ValueToString, Vc};
+use turbo_tasks::{RcStr, TryJoinIterExt, ValueToString, Vc};
 use turbo_tasks_fs::{File, FileSystemPath};
 use turbopack_binding::turbopack::{
     core::{
@@ -26,7 +26,7 @@ impl ClientReferenceManifest {
     pub async fn build_output(
         node_root: Vc<FileSystemPath>,
         client_relative_path: Vc<FileSystemPath>,
-        entry_name: String,
+        entry_name: RcStr,
         client_references: Vc<ClientReferenceGraphResult>,
         client_references_chunks: Vc<ClientReferencesChunks>,
         client_chunking_context: Vc<Box<dyn ChunkingContext>>,
@@ -39,7 +39,7 @@ impl ClientReferenceManifest {
             .computed_asset_prefix()
             .await?
             .as_ref()
-            .map(|p| p.to_owned())
+            .map(|p| p.clone())
             .unwrap_or_default();
 
         entry_manifest.module_loading.cross_origin = next_config
@@ -90,6 +90,7 @@ impl ClientReferenceManifest {
                         // It's possible that a chunk also emits CSS files, that will
                         // be handled separatedly.
                         .filter(|path| path.ends_with(".js"))
+                        .map(RcStr::from)
                         .collect::<Vec<_>>()
                 } else {
                     Vec::new()
@@ -97,7 +98,7 @@ impl ClientReferenceManifest {
                 entry_manifest.client_modules.module_exports.insert(
                     get_client_reference_module_key(&server_path, "*"),
                     ManifestNodeEntry {
-                        name: "*".to_string(),
+                        name: "*".into(),
                         id: (&*client_module_id).into(),
                         chunks: client_chunks_paths,
                         // TODO(WEB-434)
@@ -134,15 +135,16 @@ impl ClientReferenceManifest {
                             .iter()
                             .filter_map(|chunk_path| node_root_ref.get_path_to(chunk_path))
                             .map(ToString::to_string)
+                            .map(RcStr::from)
                             .collect::<Vec<_>>()
                     } else {
                         Vec::new()
                     };
                     let mut ssr_manifest_node = ManifestNode::default();
                     ssr_manifest_node.module_exports.insert(
-                        "*".to_string(),
+                        "*".into(),
                         ManifestNodeEntry {
-                            name: "*".to_string(),
+                            name: "*".into(),
                             id: (&*ssr_module_id).into(),
                             chunks: ssr_chunks_paths,
                             // TODO(WEB-434)
@@ -180,7 +182,7 @@ impl ClientReferenceManifest {
 
             let server_component_name = server_component
                 .server_path()
-                .with_extension("".to_string())
+                .with_extension("".into())
                 .to_string()
                 .await?;
 
@@ -196,7 +198,7 @@ impl ClientReferenceManifest {
 
             for chunk_path in client_chunks_paths {
                 if let Some(path) = client_relative_path.get_path_to(&chunk_path) {
-                    let path = path.to_string();
+                    let path = path.into();
                     if chunk_path.extension_ref() == Some("css") {
                         entry_css_files.insert(path);
                     } else {
@@ -215,9 +217,10 @@ impl ClientReferenceManifest {
         // path still (same as webpack does)
         let normalized_manifest_entry = entry_name.replace("%5F", "_");
         Ok(Vc::upcast(VirtualOutputAsset::new(
-            node_root.join(format!(
-                "server/app{normalized_manifest_entry}_client-reference-manifest.js",
-            )),
+            node_root.join(
+                format!("server/app{normalized_manifest_entry}_client-reference-manifest.js",)
+                    .into(),
+            ),
             AssetContent::file(
                 File::from(formatdoc! {
                     r#"
@@ -243,10 +246,10 @@ impl From<&TurbopackModuleId> for ModuleId {
 }
 
 /// See next.js/packages/next/src/lib/client-reference.ts
-pub fn get_client_reference_module_key(server_path: &str, export_name: &str) -> String {
+pub fn get_client_reference_module_key(server_path: &str, export_name: &str) -> RcStr {
     if export_name == "*" {
-        server_path.to_string()
+        server_path.into()
     } else {
-        format!("{}#{}", server_path, export_name)
+        format!("{}#{}", server_path, export_name).into()
     }
 }
diff --git a/packages/next-swc/crates/next-core/src/next_manifests/mod.rs b/packages/next-swc/crates/next-core/src/next_manifests/mod.rs
index 409078f8e0a00..b77e4d350972f 100644
--- a/packages/next-swc/crates/next-core/src/next_manifests/mod.rs
+++ b/packages/next-swc/crates/next-core/src/next_manifests/mod.rs
@@ -6,26 +6,26 @@ use std::collections::HashMap;
 
 use indexmap::{IndexMap, IndexSet};
 use serde::{Deserialize, Serialize};
-use turbo_tasks::{trace::TraceRawVcs, TaskInput};
+use turbo_tasks::{trace::TraceRawVcs, RcStr, TaskInput};
 
 use crate::next_config::{CrossOriginConfig, Rewrites, RouteHas};
 
 #[derive(Serialize, Default, Debug)]
 pub struct PagesManifest {
     #[serde(flatten)]
-    pub pages: HashMap<String, String>,
+    pub pages: HashMap<RcStr, RcStr>,
 }
 
 #[derive(Serialize, Default, Debug)]
 #[serde(rename_all = "camelCase")]
 pub struct BuildManifest {
-    pub dev_files: Vec<String>,
-    pub amp_dev_files: Vec<String>,
-    pub polyfill_files: Vec<String>,
-    pub low_priority_files: Vec<String>,
-    pub root_main_files: Vec<String>,
-    pub pages: HashMap<String, Vec<String>>,
-    pub amp_first_pages: Vec<String>,
+    pub dev_files: Vec<RcStr>,
+    pub amp_dev_files: Vec<RcStr>,
+    pub polyfill_files: Vec<RcStr>,
+    pub low_priority_files: Vec<RcStr>,
+    pub root_main_files: Vec<RcStr>,
+    pub pages: HashMap<RcStr, Vec<RcStr>>,
+    pub amp_first_pages: Vec<RcStr>,
 }
 
 #[derive(Serialize, Debug)]
@@ -62,14 +62,14 @@ impl Default for MiddlewaresManifest {
 pub struct MiddlewareMatcher {
     // When skipped next.js with fill that during merging.
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub regexp: Option<String>,
+    pub regexp: Option<RcStr>,
     #[serde(skip_serializing_if = "bool_is_true")]
     pub locale: bool,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub has: Option<Vec<RouteHas>>,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub missing: Option<Vec<RouteHas>>,
-    pub original_source: String,
+    pub original_source: RcStr,
 }
 
 fn bool_is_true(b: &bool) -> bool {
@@ -78,9 +78,9 @@ fn bool_is_true(b: &bool) -> bool {
 
 #[derive(Serialize, Default, Debug)]
 pub struct EdgeFunctionDefinition {
-    pub files: Vec<String>,
-    pub name: String,
-    pub page: String,
+    pub files: Vec<RcStr>,
+    pub name: RcStr,
+    pub page: RcStr,
     pub matchers: Vec<MiddlewareMatcher>,
     #[serde(skip_serializing_if = "Vec::is_empty")]
     pub wasm: Vec<AssetBinding>,
@@ -88,13 +88,13 @@ pub struct EdgeFunctionDefinition {
     pub assets: Vec<AssetBinding>,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub regions: Option<Regions>,
-    pub env: IndexMap<String, String>,
+    pub env: IndexMap<RcStr, RcStr>,
 }
 
 #[derive(Serialize, Default, Debug)]
 pub struct InstrumentationDefinition {
-    pub files: Vec<String>,
-    pub name: String,
+    pub files: Vec<RcStr>,
+    pub name: RcStr,
     #[serde(skip_serializing_if = "Vec::is_empty")]
     pub wasm: Vec<AssetBinding>,
     #[serde(skip_serializing_if = "Vec::is_empty")]
@@ -104,44 +104,44 @@ pub struct InstrumentationDefinition {
 #[derive(Serialize, Default, Debug)]
 #[serde(rename_all = "camelCase")]
 pub struct AssetBinding {
-    pub name: String,
-    pub file_path: String,
+    pub name: RcStr,
+    pub file_path: RcStr,
 }
 
 #[derive(Serialize, Debug)]
 #[serde(untagged)]
 pub enum Regions {
-    Multiple(Vec<String>),
-    Single(String),
+    Multiple(Vec<RcStr>),
+    Single(RcStr),
 }
 
 #[derive(Serialize, Default, Debug)]
 pub struct MiddlewaresManifestV2 {
-    pub sorted_middleware: Vec<String>,
-    pub middleware: HashMap<String, EdgeFunctionDefinition>,
+    pub sorted_middleware: Vec<RcStr>,
+    pub middleware: HashMap<RcStr, EdgeFunctionDefinition>,
     pub instrumentation: Option<InstrumentationDefinition>,
-    pub functions: HashMap<String, EdgeFunctionDefinition>,
+    pub functions: HashMap<RcStr, EdgeFunctionDefinition>,
 }
 
 #[derive(Serialize, Default, Debug)]
 #[serde(rename_all = "camelCase")]
 pub struct ReactLoadableManifest {
     #[serde(flatten)]
-    pub manifest: HashMap<String, ReactLoadableManifestEntry>,
+    pub manifest: HashMap<RcStr, ReactLoadableManifestEntry>,
 }
 
 #[derive(Serialize, Default, Debug)]
 #[serde(rename_all = "camelCase")]
 pub struct ReactLoadableManifestEntry {
     pub id: u32,
-    pub files: Vec<String>,
+    pub files: Vec<RcStr>,
 }
 
 #[derive(Serialize, Default, Debug)]
 #[serde(rename_all = "camelCase")]
 pub struct NextFontManifest {
-    pub pages: HashMap<String, Vec<String>>,
-    pub app: HashMap<String, Vec<String>>,
+    pub pages: HashMap<RcStr, Vec<RcStr>>,
+    pub app: HashMap<RcStr, Vec<RcStr>>,
     pub app_using_size_adjust: bool,
     pub pages_using_size_adjust: bool,
 }
@@ -162,8 +162,8 @@ pub struct AppPathsManifest {
 #[derive(Serialize, Default, Debug)]
 #[serde(rename_all = "camelCase")]
 pub struct LoadableManifest {
-    pub id: String,
-    pub files: Vec<String>,
+    pub id: RcStr,
+    pub files: Vec<RcStr>,
 }
 
 #[derive(Serialize, Default, Debug)]
@@ -228,16 +228,16 @@ pub struct ClientReferenceManifest {
     pub edge_ssr_module_mapping: HashMap<ModuleId, ManifestNode>,
     /// Mapping of server component path to required CSS client chunks.
     #[serde(rename = "entryCSSFiles")]
-    pub entry_css_files: HashMap<String, IndexSet<String>>,
+    pub entry_css_files: HashMap<RcStr, IndexSet<RcStr>>,
     /// Mapping of server component path to required JS client chunks.
     #[serde(rename = "entryJSFiles")]
-    pub entry_js_files: HashMap<String, IndexSet<String>>,
+    pub entry_js_files: HashMap<RcStr, IndexSet<RcStr>>,
 }
 
 #[derive(Serialize, Default, Debug)]
 #[serde(rename_all = "camelCase")]
 pub struct ModuleLoading {
-    pub prefix: String,
+    pub prefix: RcStr,
     pub cross_origin: Option<CrossOriginConfig>,
 }
 
@@ -246,7 +246,7 @@ pub struct ModuleLoading {
 pub struct ManifestNode {
     /// Mapping of export name to manifest node entry.
     #[serde(flatten)]
-    pub module_exports: HashMap<String, ManifestNodeEntry>,
+    pub module_exports: HashMap<RcStr, ManifestNodeEntry>,
 }
 
 #[derive(Serialize, Debug, Clone)]
@@ -255,9 +255,9 @@ pub struct ManifestNodeEntry {
     /// Turbopack module ID.
     pub id: ModuleId,
     /// Export name.
-    pub name: String,
+    pub name: RcStr,
     /// Chunks for the module. JS and CSS.
-    pub chunks: Vec<String>,
+    pub chunks: Vec<RcStr>,
     // TODO(WEB-434)
     pub r#async: bool,
 }
@@ -266,7 +266,7 @@ pub struct ManifestNodeEntry {
 #[serde(rename_all = "camelCase")]
 #[serde(untagged)]
 pub enum ModuleId {
-    String(String),
+    String(RcStr),
     Number(u64),
 }
 
@@ -277,14 +277,14 @@ pub struct FontManifest(pub Vec<FontManifestEntry>);
 #[derive(Serialize, Default, Debug)]
 #[serde(rename_all = "camelCase")]
 pub struct FontManifestEntry {
-    pub url: String,
-    pub content: String,
+    pub url: RcStr,
+    pub content: RcStr,
 }
 
 #[derive(Serialize, Default, Debug)]
 #[serde(rename_all = "camelCase")]
 pub struct AppBuildManifest {
-    pub pages: HashMap<String, Vec<String>>,
+    pub pages: HashMap<RcStr, Vec<RcStr>>,
 }
 
 // TODO(alexkirsz) Unify with the one for dev.
@@ -294,8 +294,8 @@ pub struct ClientBuildManifest<'a> {
     #[serde(rename = "__rewrites")]
     pub rewrites: &'a Rewrites,
 
-    pub sorted_pages: &'a [String],
+    pub sorted_pages: &'a [RcStr],
 
     #[serde(flatten)]
-    pub pages: HashMap<String, Vec<&'a str>>,
+    pub pages: HashMap<RcStr, Vec<&'a str>>,
 }
diff --git a/packages/next-swc/crates/next-core/src/next_pages/page_entry.rs b/packages/next-swc/crates/next-core/src/next_pages/page_entry.rs
index 4800d5b772d4d..00d12456212fd 100644
--- a/packages/next-swc/crates/next-core/src/next_pages/page_entry.rs
+++ b/packages/next-swc/crates/next-core/src/next_pages/page_entry.rs
@@ -3,7 +3,7 @@ use std::io::Write;
 use anyhow::{bail, Result};
 use indexmap::indexmap;
 use serde::Serialize;
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 use turbo_tasks_fs::FileSystemPath;
 use turbopack_binding::{
     turbo::{
@@ -33,12 +33,12 @@ use crate::{
 
 #[turbo_tasks::function]
 pub async fn create_page_ssr_entry_module(
-    pathname: Vc<String>,
+    pathname: Vc<RcStr>,
     reference_type: Value<ReferenceType>,
     project_root: Vc<FileSystemPath>,
     ssr_module_context: Vc<Box<dyn AssetContext>>,
     source: Vc<Box<dyn Source>>,
-    next_original_name: Vc<String>,
+    next_original_name: Vc<RcStr>,
     pages_structure: Vc<PagesStructure>,
     runtime: NextRuntime,
     next_config: Vc<NextConfig>,
@@ -76,12 +76,12 @@ pub async fn create_page_ssr_entry_module(
     let mut replacements = indexmap! {
         "VAR_DEFINITION_PAGE" => definition_page.clone(),
         "VAR_DEFINITION_PATHNAME" => definition_pathname.clone(),
-        "VAR_USERLAND" => INNER.to_string(),
+        "VAR_USERLAND" => INNER.into(),
     };
 
     if reference_type == ReferenceType::Entry(EntryReferenceSubType::Page) {
-        replacements.insert("VAR_MODULE_DOCUMENT", INNER_DOCUMENT.to_string());
-        replacements.insert("VAR_MODULE_APP", INNER_APP.to_string());
+        replacements.insert("VAR_MODULE_DOCUMENT", INNER_DOCUMENT.into());
+        replacements.insert("VAR_MODULE_APP", INNER_APP.into());
     }
 
     // Load the file from the next.js codebase.
@@ -119,12 +119,12 @@ pub async fn create_page_ssr_entry_module(
     }
 
     let mut inner_assets = indexmap! {
-        INNER.to_string() => ssr_module,
+        INNER.into() => ssr_module,
     };
 
     if reference_type == ReferenceType::Entry(EntryReferenceSubType::Page) {
         inner_assets.insert(
-            INNER_DOCUMENT.to_string(),
+            INNER_DOCUMENT.into(),
             process_global_item(
                 pages_structure.document(),
                 Value::new(reference_type.clone()),
@@ -132,7 +132,7 @@ pub async fn create_page_ssr_entry_module(
             ),
         );
         inner_assets.insert(
-            INNER_APP.to_string(),
+            INNER_APP.into(),
             process_global_item(
                 pages_structure.app(),
                 Value::new(reference_type.clone()),
@@ -165,7 +165,7 @@ pub async fn create_page_ssr_entry_module(
                 ssr_module_context,
                 project_root,
                 ssr_module,
-                definition_pathname.to_string(),
+                definition_pathname.clone(),
             );
         }
     }
@@ -197,8 +197,8 @@ async fn wrap_edge_page(
     context: Vc<Box<dyn AssetContext>>,
     project_root: Vc<FileSystemPath>,
     entry: Vc<Box<dyn Module>>,
-    page: String,
-    pathname: String,
+    page: RcStr,
+    pathname: RcStr,
     reference_type: Value<ReferenceType>,
     pages_structure: Vc<PagesStructure>,
     next_config: Vc<NextConfig>,
@@ -226,20 +226,20 @@ async fn wrap_edge_page(
         "edge-ssr.js",
         project_root,
         indexmap! {
-            "VAR_USERLAND" => INNER.to_string(),
+            "VAR_USERLAND" => INNER.into(),
             "VAR_PAGE" => pathname.clone(),
-            "VAR_MODULE_DOCUMENT" => INNER_DOCUMENT.to_string(),
-            "VAR_MODULE_APP" => INNER_APP.to_string(),
-            "VAR_MODULE_GLOBAL_ERROR" => INNER_ERROR.to_string(),
+            "VAR_MODULE_DOCUMENT" => INNER_DOCUMENT.into(),
+            "VAR_MODULE_APP" => INNER_APP.into(),
+            "VAR_MODULE_GLOBAL_ERROR" => INNER_ERROR.into(),
         },
         indexmap! {
-            "pagesType" => StringifyJs("pages").to_string(),
-            "sriEnabled" => serde_json::Value::Bool(sri_enabled).to_string(),
-            "nextConfig" => serde_json::to_string(next_config)?,
-            "dev" => serde_json::Value::Bool(dev).to_string(),
-            "pageRouteModuleOptions" => serde_json::to_string(&get_route_module_options(page.clone(), pathname.clone()))?,
-            "errorRouteModuleOptions" => serde_json::to_string(&get_route_module_options("/_error".to_string(), "/_error".to_string()))?,
-            "user500RouteModuleOptions" => serde_json::to_string(&get_route_module_options("/500".to_string(), "/500".to_string()))?,
+            "pagesType" => StringifyJs("pages").to_string().into(),
+            "sriEnabled" => serde_json::Value::Bool(sri_enabled).to_string().into(),
+            "nextConfig" => serde_json::to_string(next_config)?.into(),
+            "dev" => serde_json::Value::Bool(dev).to_string().into(),
+            "pageRouteModuleOptions" => serde_json::to_string(&get_route_module_options(page.clone(), pathname.clone()))?.into(),
+            "errorRouteModuleOptions" => serde_json::to_string(&get_route_module_options("/_error".into(), "/_error".into()))?.into(),
+            "user500RouteModuleOptions" => serde_json::to_string(&get_route_module_options("/500".into(), "/500".into()))?.into(),
         },
         indexmap! {
             // TODO
@@ -250,10 +250,10 @@ async fn wrap_edge_page(
     .await?;
 
     let inner_assets = indexmap! {
-        INNER.to_string() => entry,
-        INNER_DOCUMENT.to_string() => process_global_item(pages_structure.document(), reference_type.clone(), context),
-        INNER_APP.to_string() => process_global_item(pages_structure.app(), reference_type.clone(), context),
-        INNER_ERROR.to_string() => process_global_item(pages_structure.error(), reference_type.clone(), context),
+        INNER.into() => entry,
+        INNER_DOCUMENT.into() => process_global_item(pages_structure.document(), reference_type.clone(), context),
+        INNER_APP.into() => process_global_item(pages_structure.app(), reference_type.clone(), context),
+        INNER_ERROR.into() => process_global_item(pages_structure.error(), reference_type.clone(), context),
     };
 
     let wrapped = context
@@ -278,27 +278,27 @@ struct PartialRouteModuleOptions {
 
 #[derive(Serialize)]
 struct RouteDefinition {
-    kind: String,
-    bundle_path: String,
-    filename: String,
+    kind: RcStr,
+    bundle_path: RcStr,
+    filename: RcStr,
     /// Describes the pathname including all internal modifiers such as
     /// intercepting routes, parallel routes and route/page suffixes that are
     /// not part of the pathname.
-    page: String,
+    page: RcStr,
 
     /// The pathname (including dynamic placeholders) for a route to resolve.
-    pathname: String,
+    pathname: RcStr,
 }
 
-fn get_route_module_options(page: String, pathname: String) -> PartialRouteModuleOptions {
+fn get_route_module_options(page: RcStr, pathname: RcStr) -> PartialRouteModuleOptions {
     PartialRouteModuleOptions {
         definition: RouteDefinition {
-            kind: "PAGES".to_string(),
+            kind: "PAGES".into(),
             page,
             pathname,
             // The following aren't used in production.
-            bundle_path: "".to_string(),
-            filename: "".to_string(),
+            bundle_path: "".into(),
+            filename: "".into(),
         },
     }
 }
diff --git a/packages/next-swc/crates/next-core/src/next_route_matcher/mod.rs b/packages/next-swc/crates/next-core/src/next_route_matcher/mod.rs
index 2c1f32288d94d..d7e404088f319 100644
--- a/packages/next-swc/crates/next-core/src/next_route_matcher/mod.rs
+++ b/packages/next-swc/crates/next-core/src/next_route_matcher/mod.rs
@@ -1,5 +1,5 @@
 use anyhow::{bail, Result};
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 use turbopack_binding::turbopack::node::route_matcher::{Params, RouteMatcher, RouteMatcherRef};
 
 use self::{
@@ -15,13 +15,13 @@ mod prefix_suffix;
 /// A route matcher that matches a path against an exact route.
 #[turbo_tasks::value]
 pub(crate) struct NextExactMatcher {
-    path: Vc<String>,
+    path: Vc<RcStr>,
 }
 
 #[turbo_tasks::value_impl]
 impl NextExactMatcher {
     #[turbo_tasks::function]
-    pub async fn new(path: Vc<String>) -> Result<Vc<Self>> {
+    pub async fn new(path: Vc<RcStr>) -> Result<Vc<Self>> {
         Ok(Self::cell(NextExactMatcher { path }))
     }
 }
@@ -29,12 +29,12 @@ impl NextExactMatcher {
 #[turbo_tasks::value_impl]
 impl RouteMatcher for NextExactMatcher {
     #[turbo_tasks::function]
-    async fn matches(&self, path: String) -> Result<Vc<bool>> {
+    async fn matches(&self, path: RcStr) -> Result<Vc<bool>> {
         Ok(Vc::cell(path == *self.path.await?))
     }
 
     #[turbo_tasks::function]
-    async fn params(&self, path: String) -> Result<Vc<Params>> {
+    async fn params(&self, path: RcStr) -> Result<Vc<Params>> {
         Ok(Vc::cell(if path == *self.path.await? {
             Some(Default::default())
         } else {
@@ -53,7 +53,7 @@ pub(crate) struct NextParamsMatcher {
 #[turbo_tasks::value_impl]
 impl NextParamsMatcher {
     #[turbo_tasks::function]
-    pub async fn new(path: Vc<String>) -> Result<Vc<Self>> {
+    pub async fn new(path: Vc<RcStr>) -> Result<Vc<Self>> {
         Ok(Self::cell(NextParamsMatcher {
             matcher: build_path_regex(path.await?.as_str())?,
         }))
@@ -63,12 +63,12 @@ impl NextParamsMatcher {
 #[turbo_tasks::value_impl]
 impl RouteMatcher for NextParamsMatcher {
     #[turbo_tasks::function]
-    fn matches(&self, path: String) -> Vc<bool> {
+    fn matches(&self, path: RcStr) -> Vc<bool> {
         Vc::cell(self.matcher.matches(&path))
     }
 
     #[turbo_tasks::function]
-    fn params(&self, path: String) -> Vc<Params> {
+    fn params(&self, path: RcStr) -> Vc<Params> {
         Params::cell(self.matcher.params(&path))
     }
 }
@@ -86,7 +86,7 @@ impl NextPrefixSuffixParamsMatcher {
     /// Converts a filename within the server root into a regular expression
     /// with named capture groups for every dynamic segment.
     #[turbo_tasks::function]
-    pub async fn new(path: Vc<String>, prefix: String, suffix: String) -> Result<Vc<Self>> {
+    pub async fn new(path: Vc<RcStr>, prefix: RcStr, suffix: RcStr) -> Result<Vc<Self>> {
         Ok(Self::cell(NextPrefixSuffixParamsMatcher {
             matcher: PrefixSuffixMatcher::new(
                 prefix.to_string(),
@@ -100,12 +100,12 @@ impl NextPrefixSuffixParamsMatcher {
 #[turbo_tasks::value_impl]
 impl RouteMatcher for NextPrefixSuffixParamsMatcher {
     #[turbo_tasks::function]
-    fn matches(&self, path: String) -> Vc<bool> {
+    fn matches(&self, path: RcStr) -> Vc<bool> {
         Vc::cell(self.matcher.matches(&path))
     }
 
     #[turbo_tasks::function]
-    fn params(&self, path: String) -> Vc<Params> {
+    fn params(&self, path: RcStr) -> Vc<Params> {
         Params::cell(self.matcher.params(&path))
     }
 }
@@ -128,12 +128,12 @@ impl NextFallbackMatcher {
 #[turbo_tasks::value_impl]
 impl RouteMatcher for NextFallbackMatcher {
     #[turbo_tasks::function]
-    fn matches(&self, path: String) -> Vc<bool> {
+    fn matches(&self, path: RcStr) -> Vc<bool> {
         Vc::cell(self.matcher.matches(&path))
     }
 
     #[turbo_tasks::function]
-    fn params(&self, path: String) -> Vc<Params> {
+    fn params(&self, path: RcStr) -> Vc<Params> {
         Params::cell(self.matcher.params(&path))
     }
 }
diff --git a/packages/next-swc/crates/next-core/src/next_route_matcher/path_regex.rs b/packages/next-swc/crates/next-core/src/next_route_matcher/path_regex.rs
index 863944a592d61..64333ab40d708 100644
--- a/packages/next-swc/crates/next-core/src/next_route_matcher/path_regex.rs
+++ b/packages/next-swc/crates/next-core/src/next_route_matcher/path_regex.rs
@@ -47,14 +47,14 @@ impl RouteMatcherRef for PathRegex {
                     }
                     let value = capture.get(idx + 1)?;
                     Some((
-                        param.name.to_string(),
+                        param.name.as_str().into(),
                         match param.kind {
-                            NamedParamKind::Single => Param::Single(value.as_str().to_string()),
+                            NamedParamKind::Single => Param::Single(value.as_str().into()),
                             NamedParamKind::Multi => Param::Multi(
                                 value
                                     .as_str()
                                     .split('/')
-                                    .map(|segment| segment.to_string())
+                                    .map(|segment| segment.into())
                                     .collect(),
                             ),
                         },
diff --git a/packages/next-swc/crates/next-core/src/next_server/context.rs b/packages/next-swc/crates/next-core/src/next_server/context.rs
index c934abde0daba..897d76ea868c1 100644
--- a/packages/next-swc/crates/next-core/src/next_server/context.rs
+++ b/packages/next-swc/crates/next-core/src/next_server/context.rs
@@ -2,7 +2,7 @@ use std::iter::once;
 
 use anyhow::{bail, Result};
 use indexmap::IndexMap;
-use turbo_tasks::{Value, Vc};
+use turbo_tasks::{RcStr, Value, Vc};
 use turbo_tasks_fs::FileSystem;
 use turbopack_binding::{
     turbo::{
@@ -89,12 +89,12 @@ pub enum ServerContextType {
     },
     AppRSC {
         app_dir: Vc<FileSystemPath>,
-        ecmascript_client_reference_transition_name: Option<Vc<String>>,
+        ecmascript_client_reference_transition_name: Option<Vc<RcStr>>,
         client_transition: Option<Vc<Box<dyn Transition>>>,
     },
     AppRoute {
         app_dir: Vc<FileSystemPath>,
-        ecmascript_client_reference_transition_name: Option<Vc<String>>,
+        ecmascript_client_reference_transition_name: Option<Vc<RcStr>>,
     },
     Middleware,
     Instrumentation,
@@ -139,9 +139,9 @@ pub async fn get_server_resolve_options_context(
     );
 
     // Always load these predefined packages as external.
-    let mut external_packages: Vec<String> = load_next_js_templateon(
+    let mut external_packages: Vec<RcStr> = load_next_js_templateon(
         project_path,
-        "dist/lib/server-external-packages.json".to_string(),
+        "dist/lib/server-external-packages.json".into(),
     )
     .await?;
 
@@ -174,16 +174,17 @@ pub async fn get_server_resolve_options_context(
     );
     let ty = ty.into_value();
 
-    let mut custom_conditions = vec![mode.await?.condition().to_string()];
+    let mut custom_conditions = vec![mode.await?.condition().to_string().into()];
     custom_conditions.extend(
         NextRuntime::NodeJs
             .conditions()
             .iter()
-            .map(ToString::to_string),
+            .map(ToString::to_string)
+            .map(RcStr::from),
     );
 
     if ty.supports_react_server() {
-        custom_conditions.push("react-server".to_string());
+        custom_conditions.push("react-server".into());
     };
 
     let external_cjs_modules_plugin = if *next_config.bundle_pages_router_dependencies().await? {
@@ -305,17 +306,17 @@ pub async fn get_server_resolve_options_context(
     .cell())
 }
 
-fn defines(define_env: &IndexMap<String, String>) -> CompileTimeDefines {
+fn defines(define_env: &IndexMap<RcStr, RcStr>) -> CompileTimeDefines {
     let mut defines = IndexMap::new();
 
     for (k, v) in define_env {
         defines
-            .entry(k.split('.').map(|s| s.to_string()).collect::<Vec<String>>())
+            .entry(k.split('.').map(|s| s.into()).collect::<Vec<RcStr>>())
             .or_insert_with(|| {
                 let val = serde_json::from_str(v);
                 match val {
                     Ok(serde_json::Value::Bool(v)) => CompileTimeDefineValue::Bool(v),
-                    Ok(serde_json::Value::String(v)) => CompileTimeDefineValue::String(v),
+                    Ok(serde_json::Value::String(v)) => CompileTimeDefineValue::String(v.into()),
                     _ => CompileTimeDefineValue::JSON(v.clone()),
                 }
             });
@@ -402,8 +403,14 @@ pub async fn get_server_module_options_context(
     let enable_postcss_transform = Some(postcss_transform_options.cell());
     let enable_foreign_postcss_transform = Some(postcss_foreign_transform_options.cell());
 
-    let mut conditions = vec![mode.await?.condition().to_string()];
-    conditions.extend(next_runtime.conditions().iter().map(ToString::to_string));
+    let mut conditions = vec![mode.await?.condition().into()];
+    conditions.extend(
+        next_runtime
+            .conditions()
+            .iter()
+            .map(ToString::to_string)
+            .map(RcStr::from),
+    );
 
     // A separate webpack rules will be applied to codes matching
     // foreign_code_context_condition. This allows to import codes from
@@ -416,7 +423,7 @@ pub async fn get_server_module_options_context(
         conditions
             .iter()
             .cloned()
-            .chain(once("foreign".to_string()))
+            .chain(once("foreign".into()))
             .collect(),
     )
     .await?;
@@ -809,7 +816,7 @@ pub async fn get_server_chunking_context_with_client_assets(
     project_path: Vc<FileSystemPath>,
     node_root: Vc<FileSystemPath>,
     client_root: Vc<FileSystemPath>,
-    asset_prefix: Vc<Option<String>>,
+    asset_prefix: Vc<Option<RcStr>>,
     environment: Vc<Environment>,
 ) -> Result<Vc<NodeJsChunkingContext>> {
     let next_mode = mode.await?;
@@ -820,8 +827,8 @@ pub async fn get_server_chunking_context_with_client_assets(
         project_path,
         node_root,
         client_root,
-        node_root.join("server/chunks/ssr".to_string()),
-        client_root.join("static/media".to_string()),
+        node_root.join("server/chunks/ssr".into()),
+        client_root.join("static/media".into()),
         environment,
         next_mode.runtime_type(),
     )
@@ -845,8 +852,8 @@ pub async fn get_server_chunking_context(
         project_path,
         node_root,
         node_root,
-        node_root.join("server/chunks".to_string()),
-        node_root.join("server/assets".to_string()),
+        node_root.join("server/chunks".into()),
+        node_root.join("server/assets".into()),
         environment,
         next_mode.runtime_type(),
     )
diff --git a/packages/next-swc/crates/next-core/src/next_server/resolve.rs b/packages/next-swc/crates/next-core/src/next_server/resolve.rs
index 48e80a1fac8a5..f9a9e5eb6504c 100644
--- a/packages/next-swc/crates/next-core/src/next_server/resolve.rs
+++ b/packages/next-swc/crates/next-core/src/next_server/resolve.rs
@@ -1,6 +1,6 @@
 use anyhow::Result;
 use serde::{Deserialize, Serialize};
-use turbo_tasks::{trace::TraceRawVcs, Value, Vc};
+use turbo_tasks::{trace::TraceRawVcs, RcStr, Value, Vc};
 use turbopack_binding::{
     turbo::tasks_fs::{glob::Glob, FileJsonContent, FileSystemPath},
     turbopack::core::{
@@ -24,9 +24,9 @@ use turbopack_binding::{
 #[turbo_tasks::value(into = "shared")]
 pub enum ExternalPredicate {
     /// Mark all modules as external if they're not listed in the list.
-    AllExcept(Vc<Vec<String>>),
+    AllExcept(Vc<Vec<RcStr>>),
     /// Only mark modules listed as external.
-    Only(Vc<Vec<String>>),
+    Only(Vc<Vec<RcStr>>),
 }
 
 /// Mark modules as external, so they're resolved at runtime instead of bundled.
@@ -62,7 +62,7 @@ impl ExternalCjsModulesResolvePlugin {
 
 #[turbo_tasks::function]
 fn condition(root: Vc<FileSystemPath>) -> Vc<AfterResolvePluginCondition> {
-    AfterResolvePluginCondition::new(root, Glob::new("**/node_modules/**".to_string()))
+    AfterResolvePluginCondition::new(root, Glob::new("**/node_modules/**".into()))
 }
 
 #[turbo_tasks::value_impl]
@@ -91,7 +91,7 @@ impl AfterResolvePlugin for ExternalCjsModulesResolvePlugin {
         // from https://github.com/vercel/next.js/blob/8d1c619ad650f5d147207f267441caf12acd91d1/packages/next/src/build/handle-externals.ts#L188
         let never_external_regex = lazy_regex::regex!("^(?:private-next-pages\\/|next\\/(?:dist\\/pages\\/|(?:app|document|link|image|legacy\\/image|constants|dynamic|script|navigation|headers|router)$)|string-hash|private-next-rsc-action-validate|private-next-rsc-action-client-wrapper|private-next-rsc-server-reference$)");
 
-        let request_str = request_value.request();
+        let request_str = request_value.request().map(|v| v.into_owned());
         let Some(mut request_str) = request_str else {
             return Ok(ResolveResultOption::none());
         };
@@ -189,12 +189,12 @@ impl AfterResolvePlugin for ExternalCjsModulesResolvePlugin {
             Ok(FileType::UnsupportedExtension)
         }
 
-        let unable_to_externalize = |request_str: String, reason: &str| {
+        let unable_to_externalize = |request_str: RcStr, reason: &str| {
             if must_be_external {
                 UnableToExternalize {
                     file_path: fs_path,
                     request: request_str,
-                    reason: reason.to_string(),
+                    reason: reason.into(),
                 }
                 .cell()
                 .emit();
@@ -224,12 +224,12 @@ impl AfterResolvePlugin for ExternalCjsModulesResolvePlugin {
                     // have an extension in the request we try to append ".js"
                     // automatically
                     request_str.push_str(".js");
-                    request = request.append_path(".js".to_string()).resolve().await?;
+                    request = request.append_path(".js".into()).resolve().await?;
                     continue;
                 }
                 // this can't resolve with node.js from the original location, so bundle it
                 return unable_to_externalize(
-                    request_str,
+                    request_str.into(),
                     "The request could not be resolved by Node.js from the importing module. The \
                      way Node.js resolves modules is slightly different from the way Next.js \
                      resolves modules. Next.js was able to resolve it, while Node.js would not be \
@@ -249,7 +249,7 @@ impl AfterResolvePlugin for ExternalCjsModulesResolvePlugin {
         let Some(result) = *node_resolved.first_source().await? else {
             // this can't resolve with node.js from the project directory, so bundle it
             return unable_to_externalize(
-                request_str,
+                request_str.into(),
                 "The request could not be resolved by Node.js from the project \
                  directory.\nPackages that should be external need to be installed in the project \
                  directory, so they can be resolved from the output files.\nTry to install the \
@@ -276,7 +276,7 @@ impl AfterResolvePlugin for ExternalCjsModulesResolvePlugin {
             let FindContextFileResult::Found(package_json_file, _) = *package_json_file.await?
             else {
                 return unable_to_externalize(
-                    request_str,
+                    request_str.into(),
                     "The package.json of the package resolved from the project directory can't be \
                      found.",
                 );
@@ -285,7 +285,7 @@ impl AfterResolvePlugin for ExternalCjsModulesResolvePlugin {
                 *package_json_from_original_location.await?
             else {
                 return unable_to_externalize(
-                    request_str,
+                    request_str.into(),
                     "The package.json of the package can't be found.",
                 );
             };
@@ -293,7 +293,7 @@ impl AfterResolvePlugin for ExternalCjsModulesResolvePlugin {
                 &*package_json_file.read_json().await?
             else {
                 return unable_to_externalize(
-                    request_str,
+                    request_str.into(),
                     "The package.json of the package resolved from project directory can't be \
                      parsed.",
                 );
@@ -302,7 +302,7 @@ impl AfterResolvePlugin for ExternalCjsModulesResolvePlugin {
                 &*package_json_from_original_location.read_json().await?
             else {
                 return unable_to_externalize(
-                    request_str,
+                    request_str.into(),
                     "The package.json of the package can't be parsed.",
                 );
             };
@@ -311,7 +311,7 @@ impl AfterResolvePlugin for ExternalCjsModulesResolvePlugin {
                 package_json_file.get("version"),
             ) else {
                 return unable_to_externalize(
-                    request_str,
+                    request_str.into(),
                     "The package.json of the package has not name or version.",
                 );
             };
@@ -320,7 +320,7 @@ impl AfterResolvePlugin for ExternalCjsModulesResolvePlugin {
                 package_json_from_original_location.get("version"),
             ) else {
                 return unable_to_externalize(
-                    request_str,
+                    request_str.into(),
                     "The package.json of the package resolved from project directory has not name \
                      or version.",
                 );
@@ -328,7 +328,7 @@ impl AfterResolvePlugin for ExternalCjsModulesResolvePlugin {
             if (name, version) != (name2, version2) {
                 // this can't resolve with node.js from the original location, so bundle it
                 return unable_to_externalize(
-                    request_str,
+                    request_str.into(),
                     "The package resolves to a different version when requested from the project \
                      directory compared to the package requested from the importing module.\nMake \
                      sure to install the same version of the package in both locations.",
@@ -342,19 +342,22 @@ impl AfterResolvePlugin for ExternalCjsModulesResolvePlugin {
             (FileType::UnsupportedExtension, _) => {
                 // unsupported file type, bundle it
                 unable_to_externalize(
-                    request_str,
+                    request_str.into(),
                     "Only .mjs, .cjs, .js, .json, or .node can be handled by Node.js.",
                 )
             }
             (FileType::InvalidPackageJson, _) => {
                 // invalid package.json, bundle it
-                unable_to_externalize(request_str, "The package.json can't be found or parsed.")
+                unable_to_externalize(
+                    request_str.into(),
+                    "The package.json can't be found or parsed.",
+                )
             }
             (FileType::CommonJs, false) => {
                 // mark as external
                 Ok(ResolveResultOption::some(
                     ResolveResult::primary(ResolveResultItem::External(
-                        request_str,
+                        request_str.into(),
                         ExternalType::CommonJs,
                     ))
                     .cell(),
@@ -391,7 +394,7 @@ impl AfterResolvePlugin for ExternalCjsModulesResolvePlugin {
                     // mark as external
                     Ok(ResolveResultOption::some(
                         ResolveResult::primary(ResolveResultItem::External(
-                            request_str,
+                            request_str.into(),
                             if resolves_equal {
                                 ExternalType::CommonJs
                             } else {
@@ -406,7 +409,7 @@ impl AfterResolvePlugin for ExternalCjsModulesResolvePlugin {
                 // mark as external
                 Ok(ResolveResultOption::some(
                     ResolveResult::primary(ResolveResultItem::External(
-                        request_str,
+                        request_str.into(),
                         ExternalType::EcmaScriptModule,
                     ))
                     .cell(),
@@ -416,7 +419,7 @@ impl AfterResolvePlugin for ExternalCjsModulesResolvePlugin {
                 // even with require() this resolves to a ESM,
                 // which would break node.js, bundle it
                 unable_to_externalize(
-                    request_str,
+                    request_str.into(),
                     "The package seems invalid. require() resolves to a EcmaScript module, which \
                      would result in an error in Node.js.",
                 )
@@ -436,17 +439,14 @@ pub struct PackagesGlobs {
 pub struct OptionPackagesGlobs(Option<PackagesGlobs>);
 
 #[turbo_tasks::function]
-async fn packages_glob(packages: Vc<Vec<String>>) -> Result<Vc<OptionPackagesGlobs>> {
+async fn packages_glob(packages: Vc<Vec<RcStr>>) -> Result<Vc<OptionPackagesGlobs>> {
     let packages = packages.await?;
     if packages.is_empty() {
         return Ok(Vc::cell(None));
     }
-    let path_glob = Glob::new(format!("**/node_modules/{{{}}}/**", packages.join(",")));
-    let request_glob = Glob::new(format!(
-        "{{{},{}/**}}",
-        packages.join(","),
-        packages.join("/**,")
-    ));
+    let path_glob = Glob::new(format!("**/node_modules/{{{}}}/**", packages.join(",")).into());
+    let request_glob =
+        Glob::new(format!("{{{},{}/**}}", packages.join(","), packages.join("/**,")).into());
     Ok(Vc::cell(Some(PackagesGlobs {
         path_glob: path_glob.resolve().await?,
         request_glob: request_glob.resolve().await?,
@@ -456,8 +456,8 @@ async fn packages_glob(packages: Vc<Vec<String>>) -> Result<Vc<OptionPackagesGlo
 #[turbo_tasks::value]
 struct UnableToExternalize {
     file_path: Vc<FileSystemPath>,
-    request: String,
-    reason: String,
+    request: RcStr,
+    reason: RcStr,
 }
 
 #[turbo_tasks::value_impl]
@@ -476,17 +476,18 @@ impl Issue for UnableToExternalize {
                 .take(2)
                 .intersperse("/")
                 .collect::<String>()
+                .into()
         } else if let Some((package, _)) = request.split_once('/') {
-            package.to_string()
+            package.into()
         } else {
-            request.to_string()
+            request.clone()
         };
         Ok(StyledString::Line(vec![
-            StyledString::Text("Package ".to_string()),
+            StyledString::Text("Package ".into()),
             StyledString::Code(package),
-            StyledString::Text(" (".to_string()),
-            StyledString::Code("serverExternalPackages".to_string()),
-            StyledString::Text(" or default list) can't be external".to_string()),
+            StyledString::Text(" (".into()),
+            StyledString::Code("serverExternalPackages".into()),
+            StyledString::Text(" or default list) can't be external".into()),
         ])
         .cell())
     }
@@ -506,15 +507,13 @@ impl Issue for UnableToExternalize {
         Vc::cell(Some(
             StyledString::Stack(vec![
                 StyledString::Line(vec![
-                    StyledString::Text("The request ".to_string()),
-                    StyledString::Code(self.request.to_string()),
-                    StyledString::Text(" matches ".to_string()),
-                    StyledString::Code("serverExternalPackages".to_string()),
-                    StyledString::Text(
-                        " (or the default list), but it can't be external:".to_string(),
-                    ),
+                    StyledString::Text("The request ".into()),
+                    StyledString::Code(self.request.clone()),
+                    StyledString::Text(" matches ".into()),
+                    StyledString::Code("serverExternalPackages".into()),
+                    StyledString::Text(" (or the default list), but it can't be external:".into()),
                 ]),
-                StyledString::Line(vec![StyledString::Text(self.reason.to_string())]),
+                StyledString::Line(vec![StyledString::Text(self.reason.clone())]),
             ])
             .cell(),
         ))
diff --git a/packages/next-swc/crates/next-core/src/next_server_component/server_component_module.rs b/packages/next-swc/crates/next-core/src/next_server_component/server_component_module.rs
index 8aeb725046a91..c875fcf26c4d5 100644
--- a/packages/next-swc/crates/next-core/src/next_server_component/server_component_module.rs
+++ b/packages/next-swc/crates/next-core/src/next_server_component/server_component_module.rs
@@ -2,7 +2,7 @@ use std::collections::BTreeMap;
 
 use anyhow::{bail, Result};
 use indoc::formatdoc;
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 use turbo_tasks_fs::FileSystemPath;
 use turbopack_binding::turbopack::{
     core::{
@@ -28,8 +28,8 @@ use turbopack_binding::turbopack::{
 use super::server_component_reference::NextServerComponentModuleReference;
 
 #[turbo_tasks::function]
-fn modifier() -> Vc<String> {
-    Vc::cell("Next.js server component".to_string())
+fn modifier() -> Vc<RcStr> {
+    Vc::cell("Next.js server component".into())
 }
 
 #[turbo_tasks::value(shared)]
@@ -96,7 +96,7 @@ impl EcmascriptChunkPlaceable for NextServerComponentModule {
     #[turbo_tasks::function]
     fn get_exports(&self) -> Vc<EcmascriptExports> {
         let exports = BTreeMap::from([(
-            "default".to_string(),
+            "default".into(),
             EsmExport::ImportedNamespace(Vc::upcast(NextServerComponentModuleReference::new(
                 Vc::upcast(self.module),
             ))),
diff --git a/packages/next-swc/crates/next-core/src/next_server_component/server_component_reference.rs b/packages/next-swc/crates/next-core/src/next_server_component/server_component_reference.rs
index b82d1055c9f3d..c5b005994fccf 100644
--- a/packages/next-swc/crates/next-core/src/next_server_component/server_component_reference.rs
+++ b/packages/next-swc/crates/next-core/src/next_server_component/server_component_reference.rs
@@ -1,5 +1,5 @@
 use anyhow::Result;
-use turbo_tasks::{ValueToString, Vc};
+use turbo_tasks::{RcStr, ValueToString, Vc};
 use turbopack_binding::turbopack::core::{
     chunk::ChunkableModuleReference, module::Module, reference::ModuleReference,
     resolve::ModuleResolveResult,
@@ -21,11 +21,14 @@ impl NextServerComponentModuleReference {
 #[turbo_tasks::value_impl]
 impl ValueToString for NextServerComponentModuleReference {
     #[turbo_tasks::function]
-    async fn to_string(&self) -> Result<Vc<String>> {
-        Ok(Vc::cell(format!(
-            "Next.js server component {}",
-            self.asset.ident().to_string().await?
-        )))
+    async fn to_string(&self) -> Result<Vc<RcStr>> {
+        Ok(Vc::cell(
+            format!(
+                "Next.js server component {}",
+                self.asset.ident().to_string().await?
+            )
+            .into(),
+        ))
     }
 }
 
diff --git a/packages/next-swc/crates/next-core/src/next_server_component/server_component_transition.rs b/packages/next-swc/crates/next-core/src/next_server_component/server_component_transition.rs
index 18df3fb6d81d8..646c04ad4af71 100644
--- a/packages/next-swc/crates/next-core/src/next_server_component/server_component_transition.rs
+++ b/packages/next-swc/crates/next-core/src/next_server_component/server_component_transition.rs
@@ -1,5 +1,5 @@
 use anyhow::{bail, Result};
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 use turbopack_binding::turbopack::{
     core::module::Module,
     ecmascript::chunk::EcmascriptChunkPlaceable,
@@ -29,7 +29,7 @@ impl NextServerComponentTransition {
 #[turbo_tasks::value_impl]
 impl Transition for NextServerComponentTransition {
     #[turbo_tasks::function]
-    fn process_layer(self: Vc<Self>, layer: Vc<String>) -> Vc<String> {
+    fn process_layer(self: Vc<Self>, layer: Vc<RcStr>) -> Vc<RcStr> {
         layer
     }
 
diff --git a/packages/next-swc/crates/next-core/src/next_shared/resolve.rs b/packages/next-swc/crates/next-core/src/next_shared/resolve.rs
index f048e50ccf27b..e9792821859be 100644
--- a/packages/next-swc/crates/next-core/src/next_shared/resolve.rs
+++ b/packages/next-swc/crates/next-core/src/next_shared/resolve.rs
@@ -2,7 +2,7 @@ use std::collections::{HashMap, HashSet};
 
 use anyhow::Result;
 use lazy_static::lazy_static;
-use turbo_tasks::{Value, Vc};
+use turbo_tasks::{RcStr, Value, Vc};
 use turbo_tasks_fs::glob::Glob;
 use turbopack_binding::{
     turbo::tasks_fs::FileSystemPath,
@@ -63,7 +63,7 @@ impl UnsupportedModulesResolvePlugin {
 impl AfterResolvePlugin for UnsupportedModulesResolvePlugin {
     #[turbo_tasks::function]
     fn after_resolve_condition(&self) -> Vc<AfterResolvePluginCondition> {
-        AfterResolvePluginCondition::new(self.root.root(), Glob::new("**".to_string()))
+        AfterResolvePluginCondition::new(self.root.root(), Glob::new("**".into()))
     }
 
     #[turbo_tasks::function]
@@ -85,7 +85,7 @@ impl AfterResolvePlugin for UnsupportedModulesResolvePlugin {
             if UNSUPPORTED_PACKAGES.contains(module.as_str()) {
                 UnsupportedModuleIssue {
                     file_path,
-                    package: module.into(),
+                    package: module.clone(),
                     package_path: None,
                 }
                 .cell()
@@ -96,7 +96,7 @@ impl AfterResolvePlugin for UnsupportedModulesResolvePlugin {
                 if UNSUPPORTED_PACKAGE_PATHS.contains(&(module, path)) {
                     UnsupportedModuleIssue {
                         file_path,
-                        package: module.into(),
+                        package: module.clone(),
                         package_path: Some(path.to_owned()),
                     }
                     .cell()
@@ -112,7 +112,7 @@ impl AfterResolvePlugin for UnsupportedModulesResolvePlugin {
 #[turbo_tasks::value(shared)]
 pub struct InvalidImportModuleIssue {
     pub file_path: Vc<FileSystemPath>,
-    pub messages: Vec<String>,
+    pub messages: Vec<RcStr>,
     pub skip_context_message: bool,
 }
 
@@ -146,17 +146,15 @@ impl Issue for InvalidImportModuleIssue {
 
         if !self.skip_context_message {
             //[TODO]: how do we get the import trace?
-            messages.push(format!(
-                "The error was caused by importing '{}'",
-                raw_context.path
-            ));
+            messages
+                .push(format!("The error was caused by importing '{}'", raw_context.path).into());
         }
 
         Ok(Vc::cell(Some(
             StyledString::Line(
                 messages
                     .iter()
-                    .map(|v| StyledString::Text(format!("{}\n", v)))
+                    .map(|v| StyledString::Text(format!("{}\n", v).into()))
                     .collect::<Vec<StyledString>>(),
             )
             .cell(),
@@ -171,14 +169,14 @@ impl Issue for InvalidImportModuleIssue {
 #[turbo_tasks::value]
 pub(crate) struct InvalidImportResolvePlugin {
     root: Vc<FileSystemPath>,
-    invalid_import: String,
-    message: Vec<String>,
+    invalid_import: RcStr,
+    message: Vec<RcStr>,
 }
 
 #[turbo_tasks::value_impl]
 impl InvalidImportResolvePlugin {
     #[turbo_tasks::function]
-    pub fn new(root: Vc<FileSystemPath>, invalid_import: String, message: Vec<String>) -> Vc<Self> {
+    pub fn new(root: Vc<FileSystemPath>, invalid_import: RcStr, message: Vec<RcStr>) -> Vc<Self> {
         InvalidImportResolvePlugin {
             root,
             invalid_import,
@@ -192,7 +190,7 @@ impl InvalidImportResolvePlugin {
 impl AfterResolvePlugin for InvalidImportResolvePlugin {
     #[turbo_tasks::function]
     fn after_resolve_condition(&self) -> Vc<AfterResolvePluginCondition> {
-        AfterResolvePluginCondition::new(self.root.root(), Glob::new("**".to_string()))
+        AfterResolvePluginCondition::new(self.root.root(), Glob::new("**".into()))
     }
 
     #[turbo_tasks::function]
@@ -228,11 +226,11 @@ pub(crate) fn get_invalid_client_only_resolve_plugin(
 ) -> Vc<InvalidImportResolvePlugin> {
     InvalidImportResolvePlugin::new(
         root,
-        "client-only".to_string(),
+        "client-only".into(),
         vec![
             "'client-only' cannot be imported from a Server Component module. It should only be \
              used from a Client Component."
-                .to_string(),
+                .into(),
         ],
     )
 }
@@ -245,11 +243,11 @@ pub(crate) fn get_invalid_server_only_resolve_plugin(
 ) -> Vc<InvalidImportResolvePlugin> {
     InvalidImportResolvePlugin::new(
         root,
-        "server-only".to_string(),
+        "server-only".into(),
         vec![
             "'server-only' cannot be imported from a Client Component module. It should only be \
              used from a Server Component."
-                .to_string(),
+                .into(),
         ],
     )
 }
@@ -260,15 +258,15 @@ pub(crate) fn get_invalid_styled_jsx_resolve_plugin(
 ) -> Vc<InvalidImportResolvePlugin> {
     InvalidImportResolvePlugin::new(
         root,
-        "styled-jsx".to_string(),
+        "styled-jsx".into(),
         vec![
             "'client-only' cannot be imported from a Server Component module. It should only be \
              used from a Client Component."
-                .to_string(),
+                .into(),
             "The error was caused by using 'styled-jsx'. It only works in a Client Component but \
              none of its parents are marked with \"use client\", so they're Server Components by \
              default."
-                .to_string(),
+                .into(),
         ],
     )
 }
@@ -292,7 +290,7 @@ impl AfterResolvePlugin for NextExternalResolvePlugin {
     fn after_resolve_condition(&self) -> Vc<AfterResolvePluginCondition> {
         AfterResolvePluginCondition::new(
             self.root.root(),
-            Glob::new("**/next/dist/**/*.{external,runtime.dev,runtime.prod}.js".to_string()),
+            Glob::new("**/next/dist/**/*.{external,runtime.dev,runtime.prod}.js".into()),
         )
     }
 
@@ -310,10 +308,10 @@ impl AfterResolvePlugin for NextExternalResolvePlugin {
         // always be found since the glob pattern above is specific enough.
         let starting_index = path.find("next/dist").unwrap();
         // Replace '/esm/' with '/' to match the CJS version of the file.
-        let modified_path = &path[starting_index..].replace("/esm/", "/");
+        let modified_path = path[starting_index..].replace("/esm/", "/");
         Ok(Vc::cell(Some(
             ResolveResult::primary(ResolveResultItem::External(
-                modified_path.to_string(),
+                modified_path.into(),
                 ExternalType::CommonJs,
             ))
             .into(),
@@ -342,7 +340,7 @@ impl AfterResolvePlugin for NextNodeSharedRuntimeResolvePlugin {
     fn after_resolve_condition(&self) -> Vc<AfterResolvePluginCondition> {
         AfterResolvePluginCondition::new(
             self.root.root(),
-            Glob::new("**/next/dist/**/*.shared-runtime.js".to_string()),
+            Glob::new("**/next/dist/**/*.shared-runtime.js".into()),
         )
     }
 
@@ -378,7 +376,9 @@ impl AfterResolvePlugin for NextNodeSharedRuntimeResolvePlugin {
 
         let (base, _) = path.split_at(starting_index);
 
-        let new_path = fs_path.root().join(format!("{base}/{resource_request}"));
+        let new_path = fs_path
+            .root()
+            .join(format!("{base}/{resource_request}").into());
 
         Ok(Vc::cell(Some(
             ResolveResult::source(Vc::upcast(FileSource::new(new_path))).into(),
@@ -405,7 +405,7 @@ impl ModuleFeatureReportResolvePlugin {
 impl AfterResolvePlugin for ModuleFeatureReportResolvePlugin {
     #[turbo_tasks::function]
     fn after_resolve_condition(&self) -> Vc<AfterResolvePluginCondition> {
-        AfterResolvePluginCondition::new(self.root.root(), Glob::new("**".to_string()))
+        AfterResolvePluginCondition::new(self.root.root(), Glob::new("**".into()))
     }
 
     #[turbo_tasks::function]
@@ -430,7 +430,7 @@ impl AfterResolvePlugin for ModuleFeatureReportResolvePlugin {
                     .find(|sub_path| path.is_match(sub_path));
 
                 if let Some(sub_path) = sub_path {
-                    ModuleFeatureTelemetry::new(format!("{}{}", module, sub_path), 1)
+                    ModuleFeatureTelemetry::new(format!("{}{}", module, sub_path).into(), 1)
                         .cell()
                         .emit();
                 }
@@ -460,7 +460,7 @@ impl AfterResolvePlugin for NextSharedRuntimeResolvePlugin {
     fn after_resolve_condition(&self) -> Vc<AfterResolvePluginCondition> {
         AfterResolvePluginCondition::new(
             self.root.root(),
-            Glob::new("**/next/dist/esm/**/*.shared-runtime.js".to_string()),
+            Glob::new("**/next/dist/esm/**/*.shared-runtime.js".into()),
         )
     }
 
@@ -474,7 +474,7 @@ impl AfterResolvePlugin for NextSharedRuntimeResolvePlugin {
     ) -> Result<Vc<ResolveResultOption>> {
         let raw_fs_path = &*fs_path.await?;
         let modified_path = raw_fs_path.path.replace("next/dist/esm/", "next/dist/");
-        let new_path = fs_path.root().join(modified_path);
+        let new_path = fs_path.root().join(modified_path.into());
         Ok(Vc::cell(Some(
             ResolveResult::source(Vc::upcast(FileSource::new(new_path))).into(),
         )))
diff --git a/packages/next-swc/crates/next-core/src/next_shared/transforms/next_page_static_info.rs b/packages/next-swc/crates/next-core/src/next_shared/transforms/next_page_static_info.rs
index 2c31c4154f4fc..2ad25f3ba40fe 100644
--- a/packages/next-swc/crates/next-core/src/next_shared/transforms/next_page_static_info.rs
+++ b/packages/next-swc/crates/next-core/src/next_shared/transforms/next_page_static_info.rs
@@ -166,7 +166,7 @@ impl Issue for PageStaticInfoIssue {
             StyledString::Line(
                 self.messages
                     .iter()
-                    .map(|v| StyledString::Text(format!("{}\n", v)))
+                    .map(|v| StyledString::Text(format!("{}\n", v).into()))
                     .collect::<Vec<StyledString>>(),
             )
             .cell(),
diff --git a/packages/next-swc/crates/next-core/src/next_shared/transforms/next_strip_page_exports.rs b/packages/next-swc/crates/next-core/src/next_shared/transforms/next_strip_page_exports.rs
index 4104c6ba17a53..5d0e1fd96525f 100644
--- a/packages/next-swc/crates/next-core/src/next_shared/transforms/next_strip_page_exports.rs
+++ b/packages/next-swc/crates/next-core/src/next_shared/transforms/next_strip_page_exports.rs
@@ -36,21 +36,21 @@ pub async fn get_next_pages_transforms_rule(
             ModuleRuleCondition::all(vec![
                 ModuleRuleCondition::ResourcePathInExactDirectory(pages_dir.await?),
                 ModuleRuleCondition::not(ModuleRuleCondition::ResourcePathInExactDirectory(
-                    pages_dir.join("api".to_string()).await?,
+                    pages_dir.join("api".into()).await?,
                 )),
                 ModuleRuleCondition::not(ModuleRuleCondition::any(vec![
                     // TODO(alexkirsz): Possibly ignore _app as well?
                     ModuleRuleCondition::ResourcePathEquals(
-                        pages_dir.join("_document.js".to_string()).await?,
+                        pages_dir.join("_document.js".into()).await?,
                     ),
                     ModuleRuleCondition::ResourcePathEquals(
-                        pages_dir.join("_document.jsx".to_string()).await?,
+                        pages_dir.join("_document.jsx".into()).await?,
                     ),
                     ModuleRuleCondition::ResourcePathEquals(
-                        pages_dir.join("_document.ts".to_string()).await?,
+                        pages_dir.join("_document.ts".into()).await?,
                     ),
                     ModuleRuleCondition::ResourcePathEquals(
-                        pages_dir.join("_document.tsx".to_string()).await?,
+                        pages_dir.join("_document.tsx".into()).await?,
                     ),
                 ])),
             ]),
diff --git a/packages/next-swc/crates/next-core/src/next_shared/transforms/swc_ecma_transform_plugins.rs b/packages/next-swc/crates/next-core/src/next_shared/transforms/swc_ecma_transform_plugins.rs
index 63a8ca6ce5723..c0b3eb84519c6 100644
--- a/packages/next-swc/crates/next-core/src/next_shared/transforms/swc_ecma_transform_plugins.rs
+++ b/packages/next-swc/crates/next-core/src/next_shared/transforms/swc_ecma_transform_plugins.rs
@@ -1,4 +1,6 @@
 use anyhow::Result;
+#[allow(unused_imports)]
+use turbo_tasks::RcStr;
 use turbo_tasks::Vc;
 use turbo_tasks_fs::FileSystemPath;
 use turbopack_binding::turbopack::turbopack::module_options::ModuleRule;
@@ -30,7 +32,7 @@ pub async fn get_swc_ecma_transform_plugin_rule(
 #[cfg(feature = "plugin")]
 pub async fn get_swc_ecma_transform_rule_impl(
     project_path: Vc<FileSystemPath>,
-    plugin_configs: &[(String, serde_json::Value)],
+    plugin_configs: &[(RcStr, serde_json::Value)],
     enable_mdx_rs: bool,
 ) -> Result<Option<ModuleRule>> {
     use anyhow::{bail, Context};
@@ -58,7 +60,7 @@ pub async fn get_swc_ecma_transform_rule_impl(
         // one for implicit package name resolves to node_modules,
         // and one for explicit path to a .wasm binary.
         // Current resolve will fail with latter.
-        let request = Request::parse(Value::new(Pattern::Constant(name.to_string())));
+        let request = Request::parse(Value::new(Pattern::Constant(name.as_str().into())));
         let resolve_options = resolve_options(
             project_path,
             ResolveOptionsContext {
diff --git a/packages/next-swc/crates/next-core/src/next_shared/webpack_rules/babel.rs b/packages/next-swc/crates/next-core/src/next_shared/webpack_rules/babel.rs
index 22467d0a8131d..f283bf3501d8b 100644
--- a/packages/next-swc/crates/next-core/src/next_shared/webpack_rules/babel.rs
+++ b/packages/next-swc/crates/next-core/src/next_shared/webpack_rules/babel.rs
@@ -35,8 +35,8 @@ pub async fn maybe_add_babel_loader(
 ) -> Result<Vc<OptionWebpackRules>> {
     let has_babel_config = {
         let mut has_babel_config = false;
-        for filename in BABEL_CONFIG_FILES {
-            let filetype = *project_root.join(filename.to_string()).get_type().await?;
+        for &filename in BABEL_CONFIG_FILES {
+            let filetype = *project_root.join(filename.into()).get_type().await?;
             if matches!(filetype, FileSystemEntryType::File) {
                 has_babel_config = true;
                 break;
@@ -71,13 +71,11 @@ pub async fn maybe_add_babel_loader(
                     BabelIssue {
                         path: project_root,
                         title: StyledString::Text(
-                            "Unable to resolve babel-loader, but a babel config is present"
-                                .to_owned(),
+                            "Unable to resolve babel-loader, but a babel config is present".into(),
                         )
                         .cell(),
                         description: StyledString::Text(
-                            "Make sure babel-loader is installed via your package manager."
-                                .to_owned(),
+                            "Make sure babel-loader is installed via your package manager.".into(),
                         )
                         .cell(),
                         severity: IssueSeverity::Fatal.cell(),
@@ -89,7 +87,7 @@ pub async fn maybe_add_babel_loader(
                 }
 
                 let loader = WebpackLoaderItem {
-                    loader: "babel-loader".to_string(),
+                    loader: "babel-loader".into(),
                     options: Default::default(),
                 };
                 if let Some(rule) = rule {
@@ -98,10 +96,10 @@ pub async fn maybe_add_babel_loader(
                     rule.loaders = Vc::cell(loaders);
                 } else {
                     rules.insert(
-                        pattern.to_string(),
+                        pattern.into(),
                         LoaderRuleItem {
                             loaders: Vc::cell(vec![loader]),
-                            rename_as: Some("*".to_string()),
+                            rename_as: Some("*".into()),
                         },
                     );
                 }
@@ -122,7 +120,7 @@ pub async fn is_babel_loader_available(project_path: Vc<FileSystemPath>) -> Resu
         project_path,
         Value::new(ReferenceType::CommonJs(CommonJsReferenceSubType::Undefined)),
         Request::parse(Value::new(Pattern::Constant(
-            "babel-loader/package.json".to_string(),
+            "babel-loader/package.json".into(),
         ))),
         node_cjs_resolve_options(project_path),
     );
diff --git a/packages/next-swc/crates/next-core/src/next_shared/webpack_rules/mod.rs b/packages/next-swc/crates/next-core/src/next_shared/webpack_rules/mod.rs
index 7dca8bf01595e..865672b560291 100644
--- a/packages/next-swc/crates/next-core/src/next_shared/webpack_rules/mod.rs
+++ b/packages/next-swc/crates/next-core/src/next_shared/webpack_rules/mod.rs
@@ -1,5 +1,5 @@
 use anyhow::Result;
-use turbo_tasks::Vc;
+use turbo_tasks::{RcStr, Vc};
 use turbo_tasks_fs::FileSystemPath;
 use turbopack_binding::turbopack::{
     core::resolve::options::ImportMapping, turbopack::module_options::WebpackLoadersOptions,
@@ -15,7 +15,7 @@ pub async fn webpack_loader_options(
     project_path: Vc<FileSystemPath>,
     next_config: Vc<NextConfig>,
     foreign: bool,
-    conditions: Vec<String>,
+    conditions: Vec<RcStr>,
 ) -> Result<Option<Vc<WebpackLoadersOptions>>> {
     let rules = *next_config.webpack_rules(conditions).await?;
     let rules = *maybe_add_sass_loader(next_config.sass_config(), rules).await?;
@@ -35,5 +35,5 @@ pub async fn webpack_loader_options(
 
 #[turbo_tasks::function]
 fn loader_runner_package_mapping() -> Vc<ImportMapping> {
-    get_external_next_compiled_package_mapping(Vc::cell("loader-runner".to_owned()))
+    get_external_next_compiled_package_mapping(Vc::cell("loader-runner".into()))
 }
diff --git a/packages/next-swc/crates/next-core/src/next_shared/webpack_rules/sass.rs b/packages/next-swc/crates/next-core/src/next_shared/webpack_rules/sass.rs
index 38a3317bda4f5..2cb1b5dcb2511 100644
--- a/packages/next-swc/crates/next-core/src/next_shared/webpack_rules/sass.rs
+++ b/packages/next-swc/crates/next-core/src/next_shared/webpack_rules/sass.rs
@@ -35,7 +35,7 @@ pub async fn maybe_add_sass_loader(
             .or(sass_options.get("additionalData"));
         let rule = rules.get_mut(pattern);
         let sass_loader = WebpackLoaderItem {
-            loader: "next/dist/compiled/sass-loader".to_string(),
+            loader: "next/dist/compiled/sass-loader".into(),
             options: take(
                 serde_json::json!({
                     "sourceMap": true,
@@ -47,7 +47,7 @@ pub async fn maybe_add_sass_loader(
             ),
         };
         let resolve_url_loader = WebpackLoaderItem {
-            loader: "next/dist/build/webpack/loaders/resolve-url-loader/index".to_string(),
+            loader: "next/dist/build/webpack/loaders/resolve-url-loader/index".into(),
             options: take(
                 serde_json::json!({
                     //https://github.com/vercel/turbo/blob/d527eb54be384a4658243304cecd547d09c05c6b/crates/turbopack-node/src/transforms/webpack.rs#L191
@@ -75,10 +75,10 @@ pub async fn maybe_add_sass_loader(
             rule.loaders = Vc::cell(loaders);
         } else {
             rules.insert(
-                pattern.to_string(),
+                pattern.into(),
                 LoaderRuleItem {
                     loaders: Vc::cell(vec![resolve_url_loader, sass_loader]),
-                    rename_as: Some(format!("*{rename}")),
+                    rename_as: Some(format!("*{rename}").into()),
                 },
             );
         }
diff --git a/packages/next-swc/crates/next-core/src/next_telemetry.rs b/packages/next-swc/crates/next-core/src/next_telemetry.rs
index 6746814455af8..6ce9430aac136 100644
--- a/packages/next-swc/crates/next-core/src/next_telemetry.rs
+++ b/packages/next-swc/crates/next-core/src/next_telemetry.rs
@@ -1,5 +1,6 @@
 use std::collections::HashMap;
 
+use turbo_tasks::RcStr;
 use turbopack_binding::{
     turbo::tasks::Vc,
     turbopack::core::diagnostics::{Diagnostic, DiagnosticPayload},
@@ -9,15 +10,15 @@ use turbopack_binding::{
 /// enabled for the telemetry. The original implementation code can be found at the following [link](https://github.com/vercel/next.js/blob/9da305fe320b89ee2f8c3cfb7ecbf48856368913/packages/next/src/build/webpack-config.ts#L2516).
 #[turbo_tasks::value(shared)]
 pub struct NextFeatureTelemetry {
-    pub event_name: String,
-    pub feature_name: String,
+    pub event_name: RcStr,
+    pub feature_name: RcStr,
     pub enabled: bool,
 }
 
 impl NextFeatureTelemetry {
-    pub fn new(feature_name: String, enabled: bool) -> Self {
+    pub fn new(feature_name: RcStr, enabled: bool) -> Self {
         NextFeatureTelemetry {
-            event_name: "EVENT_BUILD_FEATURE_USAGE".to_string(),
+            event_name: "EVENT_BUILD_FEATURE_USAGE".into(),
             feature_name,
             enabled,
         }
@@ -27,12 +28,12 @@ impl NextFeatureTelemetry {
 #[turbo_tasks::value_impl]
 impl Diagnostic for NextFeatureTelemetry {
     #[turbo_tasks::function]
-    fn category(&self) -> Vc<String> {
-        Vc::cell("NextFeatureTelemetry_category_tbd".to_string())
+    fn category(&self) -> Vc<RcStr> {
+        Vc::cell("NextFeatureTelemetry_category_tbd".into())
     }
 
     #[turbo_tasks::function]
-    fn name(&self) -> Vc<String> {
+    fn name(&self) -> Vc<RcStr> {
         Vc::cell(self.event_name.clone())
     }
 
@@ -40,7 +41,7 @@ impl Diagnostic for NextFeatureTelemetry {
     fn payload(&self) -> Vc<DiagnosticPayload> {
         Vc::cell(HashMap::from([(
             self.feature_name.clone(),
-            self.enabled.to_string(),
+            self.enabled.to_string().into(),
         )]))
     }
 }
@@ -49,15 +50,15 @@ impl Diagnostic for NextFeatureTelemetry {
 /// referred as `importing` a certain module. (i.e importing @next/image)
 #[turbo_tasks::value(shared)]
 pub struct ModuleFeatureTelemetry {
-    pub event_name: String,
-    pub feature_name: String,
+    pub event_name: RcStr,
+    pub feature_name: RcStr,
     pub invocation_count: usize,
 }
 
 impl ModuleFeatureTelemetry {
-    pub fn new(feature_name: String, invocation_count: usize) -> Self {
+    pub fn new(feature_name: RcStr, invocation_count: usize) -> Self {
         ModuleFeatureTelemetry {
-            event_name: "EVENT_BUILD_FEATURE_USAGE".to_string(),
+            event_name: "EVENT_BUILD_FEATURE_USAGE".into(),
             feature_name,
             invocation_count,
         }
@@ -67,12 +68,12 @@ impl ModuleFeatureTelemetry {
 #[turbo_tasks::value_impl]
 impl Diagnostic for ModuleFeatureTelemetry {
     #[turbo_tasks::function]
-    fn category(&self) -> Vc<String> {
-        Vc::cell("ModuleFeatureTelemetry_category_tbd".to_string())
+    fn category(&self) -> Vc<RcStr> {
+        Vc::cell("ModuleFeatureTelemetry_category_tbd".into())
     }
 
     #[turbo_tasks::function]
-    fn name(&self) -> Vc<String> {
+    fn name(&self) -> Vc<RcStr> {
         Vc::cell(self.event_name.clone())
     }
 
@@ -80,7 +81,7 @@ impl Diagnostic for ModuleFeatureTelemetry {
     fn payload(&self) -> Vc<DiagnosticPayload> {
         Vc::cell(HashMap::from([(
             self.feature_name.clone(),
-            self.invocation_count.to_string(),
+            self.invocation_count.to_string().into(),
         )]))
     }
 }
diff --git a/packages/next-swc/crates/next-core/src/page_loader.rs b/packages/next-swc/crates/next-core/src/page_loader.rs
index aa6a6221246b4..28d39ea1d52da 100644
--- a/packages/next-swc/crates/next-core/src/page_loader.rs
+++ b/packages/next-swc/crates/next-core/src/page_loader.rs
@@ -2,7 +2,7 @@ use std::io::Write;
 
 use anyhow::{bail, Result};
 use indexmap::indexmap;
-use turbo_tasks::{TryJoinIterExt, Value, Vc};
+use turbo_tasks::{RcStr, TryJoinIterExt, Value, Vc};
 use turbo_tasks_fs::FileSystemPathOption;
 use turbopack_binding::{
     turbo::tasks_fs::{rope::RopeBuilder, File, FileContent, FileSystemPath},
@@ -29,7 +29,7 @@ use crate::{embed_js::next_js_file_path, util::get_asset_path_from_pathname};
 pub async fn create_page_loader_entry_module(
     client_context: Vc<Box<dyn AssetContext>>,
     entry_asset: Vc<Box<dyn Source>>,
-    pathname: Vc<String>,
+    pathname: Vc<RcStr>,
 ) -> Result<Vc<Box<dyn Module>>> {
     let mut result = RopeBuilder::default();
     writeln!(
@@ -38,7 +38,7 @@ pub async fn create_page_loader_entry_module(
         StringifyJs(&*pathname.await?)
     )?;
 
-    let page_loader_path = next_js_file_path("entry/page-loader.ts".to_string());
+    let page_loader_path = next_js_file_path("entry/page-loader.ts".into());
     let base_code = page_loader_path.read();
     if let FileContent::Content(base_file) = &*base_code.await? {
         result += base_file.content()
@@ -64,7 +64,7 @@ pub async fn create_page_loader_entry_module(
         .process(
             virtual_source,
             Value::new(ReferenceType::Internal(Vc::cell(indexmap! {
-                "PAGE".to_string() => module,
+                "PAGE".into() => module,
             }))),
         )
         .module();
@@ -74,7 +74,7 @@ pub async fn create_page_loader_entry_module(
 #[turbo_tasks::value(shared)]
 pub struct PageLoaderAsset {
     pub server_root: Vc<FileSystemPath>,
-    pub pathname: Vc<String>,
+    pub pathname: Vc<RcStr>,
     pub rebase_prefix_path: Vc<FileSystemPathOption>,
     pub page_chunks: Vc<OutputAssets>,
 }
@@ -84,7 +84,7 @@ impl PageLoaderAsset {
     #[turbo_tasks::function]
     pub fn new(
         server_root: Vc<FileSystemPath>,
-        pathname: Vc<String>,
+        pathname: Vc<RcStr>,
         rebase_prefix_path: Vc<FileSystemPathOption>,
         page_chunks: Vc<OutputAssets>,
     ) -> Vc<Self> {
@@ -127,8 +127,8 @@ impl PageLoaderAsset {
 }
 
 #[turbo_tasks::function]
-fn page_loader_chunk_reference_description() -> Vc<String> {
-    Vc::cell("page loader chunk".to_string())
+fn page_loader_chunk_reference_description() -> Vc<RcStr> {
+    Vc::cell("page loader chunk".into())
 }
 
 #[turbo_tasks::value_impl]
@@ -136,10 +136,15 @@ impl OutputAsset for PageLoaderAsset {
     #[turbo_tasks::function]
     async fn ident(&self) -> Result<Vc<AssetIdent>> {
         let root = self.rebase_prefix_path.await?.unwrap_or(self.server_root);
-        Ok(AssetIdent::from_path(root.join(format!(
-            "static/chunks/pages{}",
-            get_asset_path_from_pathname(&self.pathname.await?, ".js")
-        ))))
+        Ok(AssetIdent::from_path(
+            root.join(
+                format!(
+                    "static/chunks/pages{}",
+                    get_asset_path_from_pathname(&self.pathname.await?, ".js")
+                )
+                .into(),
+            ),
+        ))
     }
 
     #[turbo_tasks::function]
diff --git a/packages/next-swc/crates/next-core/src/pages_structure.rs b/packages/next-swc/crates/next-core/src/pages_structure.rs
index 11731148ec8f7..95769a0fae6f1 100644
--- a/packages/next-swc/crates/next-core/src/pages_structure.rs
+++ b/packages/next-swc/crates/next-core/src/pages_structure.rs
@@ -1,6 +1,6 @@
 use anyhow::Result;
 use tracing::Instrument;
-use turbo_tasks::{Completion, ValueToString, Vc};
+use turbo_tasks::{Completion, RcStr, ValueToString, Vc};
 use turbo_tasks_fs::FileSystemPathOption;
 use turbopack_binding::turbo::tasks_fs::{
     DirectoryContent, DirectoryEntry, FileSystemEntryType, FileSystemPath,
@@ -146,14 +146,14 @@ impl PagesDirectoryStructure {
 pub async fn find_pages_structure(
     project_root: Vc<FileSystemPath>,
     next_router_root: Vc<FileSystemPath>,
-    page_extensions: Vc<Vec<String>>,
+    page_extensions: Vc<Vec<RcStr>>,
 ) -> Result<Vc<PagesStructure>> {
-    let pages_root = project_root.join("pages".to_string());
+    let pages_root = project_root.join("pages".into());
     let pages_root = Vc::<FileSystemPathOption>::cell(
         if *pages_root.get_type().await? == FileSystemEntryType::Directory {
             Some(pages_root)
         } else {
-            let src_pages_root = project_root.join("src/pages".to_string());
+            let src_pages_root = project_root.join("src/pages".into());
             if *src_pages_root.get_type().await? == FileSystemEntryType::Directory {
                 Some(src_pages_root)
             } else {
@@ -181,7 +181,7 @@ async fn get_pages_structure_for_root_directory(
     project_root: Vc<FileSystemPath>,
     project_path: Vc<FileSystemPathOption>,
     next_router_path: Vc<FileSystemPath>,
-    page_extensions: Vc<Vec<String>>,
+    page_extensions: Vc<Vec<RcStr>>,
 ) -> Result<Vc<PagesStructure>> {
     let page_extensions_raw = &*page_extensions.await?;
 
@@ -204,8 +204,7 @@ async fn get_pages_structure_for_root_directory(
                         };
                         match basename {
                             "_app" => {
-                                let item_next_router_path =
-                                    next_router_path.join("_app".to_string());
+                                let item_next_router_path = next_router_path.join("_app".into());
                                 app_item = Some(PagesStructureItem::new(
                                     *file_project_path,
                                     item_next_router_path,
@@ -214,7 +213,7 @@ async fn get_pages_structure_for_root_directory(
                             }
                             "_document" => {
                                 let item_next_router_path =
-                                    next_router_path.join("_document".to_string());
+                                    next_router_path.join("_document".into());
                                 document_item = Some(PagesStructureItem::new(
                                     *file_project_path,
                                     item_next_router_path,
@@ -222,8 +221,7 @@ async fn get_pages_structure_for_root_directory(
                                 ));
                             }
                             "_error" => {
-                                let item_next_router_path =
-                                    next_router_path.join("_error".to_string());
+                                let item_next_router_path = next_router_path.join("_error".into());
                                 error_item = Some(PagesStructureItem::new(
                                     *file_project_path,
                                     item_next_router_path,
@@ -233,8 +231,7 @@ async fn get_pages_structure_for_root_directory(
                             basename => {
                                 let item_next_router_path =
                                     next_router_path_for_basename(next_router_path, basename);
-                                let item_original_path =
-                                    next_router_path.join(basename.to_string());
+                                let item_original_path = next_router_path.join(basename.into());
                                 items.push((
                                     basename,
                                     PagesStructureItem::new(
@@ -246,7 +243,7 @@ async fn get_pages_structure_for_root_directory(
                             }
                         }
                     }
-                    DirectoryEntry::Directory(dir_project_path) => match name.as_ref() {
+                    DirectoryEntry::Directory(dir_project_path) => match name.as_str() {
                         "api" => {
                             api_directory = Some(get_pages_structure_for_directory(
                                 *dir_project_path,
@@ -292,9 +289,9 @@ async fn get_pages_structure_for_root_directory(
     let app_item = if let Some(app_item) = app_item {
         app_item
     } else {
-        let app_router_path = next_router_path.join("_app".to_string());
+        let app_router_path = next_router_path.join("_app".into());
         PagesStructureItem::new(
-            get_next_package(project_root).join("app.js".to_string()),
+            get_next_package(project_root).join("app.js".into()),
             app_router_path,
             app_router_path,
         )
@@ -303,9 +300,9 @@ async fn get_pages_structure_for_root_directory(
     let document_item = if let Some(document_item) = document_item {
         document_item
     } else {
-        let document_router_path = next_router_path.join("_document".to_string());
+        let document_router_path = next_router_path.join("_document".into());
         PagesStructureItem::new(
-            get_next_package(project_root).join("document.js".to_string()),
+            get_next_package(project_root).join("document.js".into()),
             document_router_path,
             document_router_path,
         )
@@ -314,9 +311,9 @@ async fn get_pages_structure_for_root_directory(
     let error_item = if let Some(error_item) = error_item {
         error_item
     } else {
-        let error_router_path = next_router_path.join("_error".to_string());
+        let error_router_path = next_router_path.join("_error".into());
         PagesStructureItem::new(
-            get_next_package(project_root).join("error.js".to_string()),
+            get_next_package(project_root).join("error.js".into()),
             error_router_path,
             error_router_path,
         )
@@ -339,11 +336,11 @@ async fn get_pages_structure_for_directory(
     project_path: Vc<FileSystemPath>,
     next_router_path: Vc<FileSystemPath>,
     position: u32,
-    page_extensions: Vc<Vec<String>>,
+    page_extensions: Vc<Vec<RcStr>>,
 ) -> Result<Vc<PagesDirectoryStructure>> {
     let span = {
-        let path = project_path.to_string().await?;
-        tracing::info_span!("analyse pages structure", name = *path)
+        let path = project_path.to_string().await?.to_string();
+        tracing::info_span!("analyse pages structure", name = path)
     };
     async move {
         let page_extensions_raw = &*page_extensions.await?;
@@ -360,9 +357,9 @@ async fn get_pages_structure_for_directory(
                         };
                         let item_next_router_path = match basename {
                             "index" => next_router_path,
-                            _ => next_router_path.join(basename.to_string()),
+                            _ => next_router_path.join(basename.into()),
                         };
-                        let item_original_name = next_router_path.join(basename.to_string());
+                        let item_original_name = next_router_path.join(basename.into());
                         items.push((
                             basename,
                             PagesStructureItem::new(
@@ -406,10 +403,10 @@ async fn get_pages_structure_for_directory(
     .await
 }
 
-fn page_basename<'a>(name: &'a str, page_extensions: &'a [String]) -> Option<&'a str> {
+fn page_basename<'a>(name: &'a str, page_extensions: &'a [RcStr]) -> Option<&'a str> {
     page_extensions
         .iter()
-        .find_map(|allowed| name.strip_suffix(allowed)?.strip_suffix('.'))
+        .find_map(|allowed| name.strip_suffix(&**allowed)?.strip_suffix('.'))
 }
 
 fn next_router_path_for_basename(
@@ -419,6 +416,6 @@ fn next_router_path_for_basename(
     if basename == "index" {
         next_router_path
     } else {
-        next_router_path.join(basename.to_string())
+        next_router_path.join(basename.into())
     }
 }
diff --git a/packages/next-swc/crates/next-core/src/transform_options.rs b/packages/next-swc/crates/next-core/src/transform_options.rs
index 7b3c8d01fd166..cead6affe253a 100644
--- a/packages/next-swc/crates/next-core/src/transform_options.rs
+++ b/packages/next-swc/crates/next-core/src/transform_options.rs
@@ -156,11 +156,11 @@ pub async fn get_jsx_transform_options(
         // https://github.com/vercel/next.js/blob/3dc2c1c7f8441cdee31da9f7e0986d654c7fd2e7/packages/next/src/build/swc/options.ts#L112
         // This'll be ignored if ts|jsconfig explicitly specifies importSource
         import_source: if is_emotion_enabled && !is_rsc_context {
-            Some("@emotion/react".to_string())
+            Some("@emotion/react".into())
         } else {
             None
         },
-        runtime: Some("automatic".to_string()),
+        runtime: Some("automatic".into()),
         react_refresh: enable_react_refresh,
     };
 
@@ -168,7 +168,7 @@ pub async fn get_jsx_transform_options(
         read_from_tsconfigs(&tsconfig, |json, _| {
             let jsx_import_source = json["compilerOptions"]["jsxImportSource"]
                 .as_str()
-                .map(|s| s.to_string());
+                .map(|s| s.into());
 
             Some(JsxTransformOptions {
                 import_source: if jsx_import_source.is_some() {
diff --git a/packages/next-swc/crates/next-core/src/util.rs b/packages/next-swc/crates/next-core/src/util.rs
index cd6d2ab7db81d..40841e28cf8fa 100644
--- a/packages/next-swc/crates/next-core/src/util.rs
+++ b/packages/next-swc/crates/next-core/src/util.rs
@@ -1,7 +1,7 @@
 use anyhow::{bail, Context, Result};
 use indexmap::{IndexMap, IndexSet};
 use serde::{de::DeserializeOwned, Deserialize, Serialize};
-use turbo_tasks::{trace::TraceRawVcs, TaskInput, ValueDefault, ValueToString, Vc};
+use turbo_tasks::{trace::TraceRawVcs, RcStr, TaskInput, ValueDefault, ValueToString, Vc};
 use turbo_tasks_fs::{rope::Rope, util::join_path, File};
 use turbopack_binding::{
     swc::core::{
@@ -49,7 +49,7 @@ pub async fn pathname_for_path(
     server_root: Vc<FileSystemPath>,
     server_path: Vc<FileSystemPath>,
     path_ty: PathType,
-) -> Result<Vc<String>> {
+) -> Result<Vc<RcStr>> {
     let server_path_value = &*server_path.await?;
     let path = if let Some(path) = server_root.await?.get_path_to(server_path_value) {
         path
@@ -62,10 +62,10 @@ pub async fn pathname_for_path(
     };
     let path = match (path_ty, path) {
         // "/" is special-cased to "/index" for data routes.
-        (PathType::Data, "") => "/index".to_string(),
+        (PathType::Data, "") => "/index".into(),
         // `get_path_to` always strips the leading `/` from the path, so we need to add
         // it back here.
-        (_, path) => format!("/{}", path),
+        (_, path) => format!("/{}", path).into(),
     };
 
     Ok(Vc::cell(path))
@@ -100,7 +100,7 @@ pub async fn foreign_code_context_condition(
     // of the `node_modules` specific resolve options (the template files are
     // technically node module files).
     let not_next_template_dir = ContextCondition::not(ContextCondition::InPath(
-        get_next_package(project_path).join(NEXT_TEMPLATE_PATH.to_string()),
+        get_next_package(project_path).join(NEXT_TEMPLATE_PATH.into()),
     ));
 
     let result = if transpile_packages.is_empty() {
@@ -195,7 +195,7 @@ impl Issue for NextSourceConfigParsingIssue {
 
     #[turbo_tasks::function]
     fn title(&self) -> Vc<StyledString> {
-        StyledString::Text("Unable to parse config export in source file".to_string()).cell()
+        StyledString::Text("Unable to parse config export in source file".into()).cell()
     }
 
     #[turbo_tasks::function]
@@ -214,7 +214,7 @@ impl Issue for NextSourceConfigParsingIssue {
             StyledString::Text(
                 "The exported configuration object in a source file need to have a very specific \
                  format from which some properties can be statically parsed at compiled-time."
-                    .to_string(),
+                    .into(),
             )
             .cell(),
         ))
@@ -230,7 +230,7 @@ fn emit_invalid_config_warning(ident: Vc<AssetIdent>, detail: &str, value: &JsVa
     let (explainer, hints) = value.explain(2, 0);
     NextSourceConfigParsingIssue {
         ident,
-        detail: StyledString::Text(format!("{detail} Got {explainer}.{hints}")).cell(),
+        detail: StyledString::Text(format!("{detail} Got {explainer}.{hints}").into()).cell(),
     }
     .cell()
     .emit()
@@ -267,20 +267,20 @@ fn parse_route_matcher_from_js_value(
                     }
                     let r = match route_type.as_deref() {
                         Some("header") => route_key.map(|route_key| RouteHas::Header {
-                            key: route_key,
-                            value: route_value,
+                            key: route_key.into(),
+                            value: route_value.map(From::from),
                         }),
                         Some("cookie") => route_key.map(|route_key| RouteHas::Cookie {
-                            key: route_key,
-                            value: route_value,
+                            key: route_key.into(),
+                            value: route_value.map(From::from),
                         }),
                         Some("query") => route_key.map(|route_key| RouteHas::Query {
-                            key: route_key,
-                            value: route_value,
+                            key: route_key.into(),
+                            value: route_value.map(From::from),
+                        }),
+                        Some("host") => route_value.map(|route_value| RouteHas::Host {
+                            value: route_value.into(),
                         }),
-                        Some("host") => {
-                            route_value.map(|route_value| RouteHas::Host { value: route_value })
-                        }
                         _ => None,
                     };
 
@@ -319,7 +319,7 @@ fn parse_route_matcher_from_js_value(
                             match key.as_str() {
                                 Some("source") => {
                                     if let Some(value) = value.as_str() {
-                                        matcher.original_source = value.to_string();
+                                        matcher.original_source = value.into();
                                     }
                                 }
                                 Some("missing") => {
@@ -397,7 +397,7 @@ pub async fn parse_config_from_source(module: Vc<Box<dyn Module>>) -> Result<Vc<
                                     detail: StyledString::Text(
                                         "The exported config object must contain an variable \
                                          initializer."
-                                            .to_string(),
+                                            .into(),
                                     )
                                     .cell(),
                                 }
@@ -415,7 +415,7 @@ pub async fn parse_config_from_source(module: Vc<Box<dyn Module>>) -> Result<Vc<
                                 ident: module.ident(),
                                 detail: StyledString::Text(
                                     "The runtime property must be either \"nodejs\" or \"edge\"."
-                                        .to_string(),
+                                        .into(),
                                 )
                                 .cell(),
                             }
@@ -449,7 +449,7 @@ pub async fn parse_config_from_source(module: Vc<Box<dyn Module>>) -> Result<Vc<
                                     detail: StyledString::Text(
                                         "The exported segment runtime option must contain an \
                                          variable initializer."
-                                            .to_string(),
+                                            .into(),
                                     )
                                     .cell(),
                                 }
@@ -536,9 +536,9 @@ fn parse_config_from_js_value(module: Vc<Box<dyn Module>>, value: &JsValue) -> N
 pub async fn load_next_js_template(
     path: &str,
     project_path: Vc<FileSystemPath>,
-    replacements: IndexMap<&'static str, String>,
-    injections: IndexMap<&'static str, String>,
-    imports: IndexMap<&'static str, Option<String>>,
+    replacements: IndexMap<&'static str, RcStr>,
+    injections: IndexMap<&'static str, RcStr>,
+    imports: IndexMap<&'static str, Option<RcStr>>,
 ) -> Result<Vc<Box<dyn Source>>> {
     let path = virtual_next_js_template_path(project_path, path.to_string());
 
@@ -591,7 +591,8 @@ pub async fn load_next_js_template(
                     import_request
                 },
             )
-            .context("path should not leave the fs")?,
+            .context("path should not leave the fs")?
+            .into(),
         };
 
         let relative = package_root_value
@@ -803,12 +804,12 @@ pub fn virtual_next_js_template_path(
     file: String,
 ) -> Vc<FileSystemPath> {
     debug_assert!(!file.contains('/'));
-    get_next_package(project_path).join(format!("{NEXT_TEMPLATE_PATH}/{file}"))
+    get_next_package(project_path).join(format!("{NEXT_TEMPLATE_PATH}/{file}").into())
 }
 
 pub async fn load_next_js_templateon<T: DeserializeOwned>(
     project_path: Vc<FileSystemPath>,
-    path: String,
+    path: RcStr,
 ) -> Result<T> {
     let file_path = get_next_package(project_path).join(path.clone());
 
diff --git a/packages/next/package.json b/packages/next/package.json
index 90f17e88f24f8..270af2f42a10a 100644
--- a/packages/next/package.json
+++ b/packages/next/package.json
@@ -206,7 +206,7 @@
     "@types/ws": "8.2.0",
     "@vercel/ncc": "0.34.0",
     "@vercel/nft": "0.27.1",
-    "@vercel/turbopack-ecmascript-runtime": "https://gitpkg-fork.vercel.sh/vercel/turbo/crates/turbopack-ecmascript-runtime/js?turbopack-240526.2",
+    "@vercel/turbopack-ecmascript-runtime": "https://gitpkg-fork.vercel.sh/vercel/turbo/crates/turbopack-ecmascript-runtime/js?turbopack-240605.1",
     "acorn": "8.11.3",
     "amphtml-validator": "1.0.35",
     "anser": "1.4.9",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 39728669d0b03..6a99387b71509 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -1090,8 +1090,8 @@ importers:
         specifier: 0.27.1
         version: 0.27.1
       '@vercel/turbopack-ecmascript-runtime':
-        specifier: https://gitpkg-fork.vercel.sh/vercel/turbo/crates/turbopack-ecmascript-runtime/js?turbopack-240526.2
-        version: '@gitpkg-fork.vercel.sh/vercel/turbo/crates/turbopack-ecmascript-runtime/js?turbopack-240526.2'
+        specifier: https://gitpkg-fork.vercel.sh/vercel/turbo/crates/turbopack-ecmascript-runtime/js?turbopack-240605.1
+        version: '@gitpkg-fork.vercel.sh/vercel/turbo/crates/turbopack-ecmascript-runtime/js?turbopack-240605.1'
       acorn:
         specifier: 8.11.3
         version: 8.11.3
@@ -25806,8 +25806,8 @@ packages:
   /zwitch@2.0.4:
     resolution: {integrity: sha512-bXE4cR/kVZhKZX/RjPEflHaKVhUVl85noU3v6b8apfQEc1x4A+zBxjZ4lN8LqGd6WZ3dl98pY4o717VFmoPp+A==}
 
-  '@gitpkg-fork.vercel.sh/vercel/turbo/crates/turbopack-ecmascript-runtime/js?turbopack-240526.2':
-    resolution: {tarball: https://gitpkg-fork.vercel.sh/vercel/turbo/crates/turbopack-ecmascript-runtime/js?turbopack-240526.2}
+  '@gitpkg-fork.vercel.sh/vercel/turbo/crates/turbopack-ecmascript-runtime/js?turbopack-240605.1':
+    resolution: {tarball: https://gitpkg-fork.vercel.sh/vercel/turbo/crates/turbopack-ecmascript-runtime/js?turbopack-240605.1}
     name: '@vercel/turbopack-ecmascript-runtime'
     version: 0.0.0
     dependencies: