diff --git a/CHANGELOG.md b/CHANGELOG.md
index cda1dd578961ee..4d0bb2f51d8238 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,8 @@ _Jun 23, 2021_
 Big thanks to the 18 contributors who made this release possible. Here are some highlights ✨:
 
 - 🚀 We have completed all the [breaking changes](https://github.com/mui-org/material-ui/issues/20012). The plan to release 5.0.0-beta.0 is on July 1st and will start to promote its usage over v4.
+- 🎨 We have updated `Slider` to match current [material design spec](https://material.io/components/sliders).
+- 💡 `IconButton` now supports 3 sizes (`small, medium, large`). [See demo](/components/buttons/#sizes-2).
 
 ### `@material-ui/core@5.0.0-alpha.38`