diff --git a/CHANGELOG.md b/CHANGELOG.md
index 588a9d045..988a00c42 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,8 @@
-## Unreleased
+## 88.1.0
 
 ### Added
 
-### Removed
+- Widget preview tool window (#8595, #8599).
 
 ### Changed