diff --git a/CHANGELOG.md b/CHANGELOG.md
index 71b9129d73dc..c4e04f9b0e9f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,10 +9,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
-- Ensure max specificity of `0,0,1` for button and input Preflight rules  ([#12735](https://github.com/tailwindlabs/tailwindcss/pull/12735))
+- Ensure max specificity of `0,0,1` for button and input Preflight rules ([#12735](https://github.com/tailwindlabs/tailwindcss/pull/12735))
 - Improve glob handling for folders with `(`, `)`, `[` or `]` in the file path ([#12715](https://github.com/tailwindlabs/tailwindcss/pull/12715))
 - Split `:has` rules when using `experimental.optimizeUniversalDefaults` ([#12736](https://github.com/tailwindlabs/tailwindcss/pull/12736))
 - Sort arbitrary properties alphabetically across multiple class lists ([#12911](https://github.com/tailwindlabs/tailwindcss/pull/12911))
+- Add `mix-blend-plus-darker` utility ([#12923](https://github.com/tailwindlabs/tailwindcss/pull/12923))
 
 ### Added
 
diff --git a/src/corePlugins.js b/src/corePlugins.js
index 7e04044308fe..8728d734595a 100644
--- a/src/corePlugins.js
+++ b/src/corePlugins.js
@@ -2378,6 +2378,7 @@ export let corePlugins = {
       '.mix-blend-saturation': { 'mix-blend-mode': 'saturation' },
       '.mix-blend-color': { 'mix-blend-mode': 'color' },
       '.mix-blend-luminosity': { 'mix-blend-mode': 'luminosity' },
+      '.mix-blend-plus-darker': { 'mix-blend-mode': 'plus-darker' },
       '.mix-blend-plus-lighter': { 'mix-blend-mode': 'plus-lighter' },
     })
   },
diff --git a/tests/plugins/__snapshots__/mixBlendMode.test.js.snap b/tests/plugins/__snapshots__/mixBlendMode.test.js.snap
index c8be25be0cd0..786d86ec62fe 100644
--- a/tests/plugins/__snapshots__/mixBlendMode.test.js.snap
+++ b/tests/plugins/__snapshots__/mixBlendMode.test.js.snap
@@ -66,6 +66,10 @@ exports[`should test the 'mixBlendMode' plugin 1`] = `
   mix-blend-mode: luminosity;
 }
 
+.mix-blend-plus-darker {
+  mix-blend-mode: plus-darker;
+}
+
 .mix-blend-plus-lighter {
   mix-blend-mode: plus-lighter;
 }