diff --git a/CHANGELOG.md b/CHANGELOG.md
index b08558b834..91eaeebf71 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,10 @@
 
 * It's possible now to target the HMR build when registering via `template.append` and `template.prepend`. Use `when: 'hmr:public'` or `when: 'hmr:apos'` that will be evaluated against the current asset `options.hmr` configuration.
 
+### Changes
+
+* Removes postcss plugin and webpack loader used for breakpoint preview mode. Uses instead the new `postcss-viewport-to-container-toggle` plugin in the webpack config.
+
 ## 4.9.0 (2024-10-31)
 
 ### Adds