Add 4.0.2 release notes with fix for #9146

CHANGELOG.txt

@@ -22,6 +22,12 @@ Changelog
  * Fix: Revise colour usage so that privacy & locked indicators can be seen in Windows High Contrast mode (LB (Ben Johnston))
 
 
+4.0.2 (xx.xx.xxxx) - IN DEVELOPMENT
+~~~~~~~~~~~~~~~~~~
+
+ * Fix: Ensure tag autocompletion dropdown has a solid background (LB (Ben) Johnston)
+
+
 4.0.1 (05.09.2022)
 ~~~~~~~~~~~~~~~~~~
 

docs/releases/4.0.2.md

@@ -0,0 +1,16 @@
+# Wagtail 4.0.2 release notes
+
+_Unreleased_
+
+```{contents}
+---
+local:
+depth: 1
+---
+```
+
+## What's new
+
+### Bug fixes
+
+ * Ensure tag autocompletion dropdown has a solid background (LB (Ben) Johnston)

docs/releases/index.rst

@@ -6,6 +6,7 @@ Release notes
 
    upgrading
    4.1
+   4.0.2
    4.0.1
    4.0
    3.0.3