Add 4.0.3 release notes with fix for #9134 (#9259)

CHANGELOG.txt

@@ -40,6 +40,11 @@ Changelog
  * Fix: Remove `capitalize()` calls to avoid issues with other languages or incorrectly presented model names for reporting and parts of site settings (Stefan Hammer)
  * Fix: Add back rendering of `help_text` for InlinePanel (Matt Westcott)
 
+4.0.3 (xx.xx.xxxx) - IN DEVELOPMENT
+~~~~~~~~~~~~~~~~~~
+
+* Render `help_text` when set on `FieldPanel`, `MultiFieldPanel`, `FieldRowPanel`, and other panel APIs where it previously worked without official support (Matt Westcott)
+* Fix: Add back rendering of `help_text` for InlinePanel (Matt Westcott)
 
 4.0.2 (23.09.2022)
 ~~~~~~~~~~~~~~~~~~

docs/releases/4.0.3.md

@@ -0,0 +1,18 @@
+# Wagtail 4.0.3 release notes
+
+_Unreleased_
+
+```{contents}
+---
+local:
+depth: 1
+---
+```
+
+## What's new
+
+ * Render `help_text` when set on `FieldPanel`, `MultiFieldPanel`, `FieldRowPanel`, and other panel APIs where it previously worked without official support (Matt Westcott)
+
+### Bug fixes
+
+ * Add back rendering of `help_text` for InlinePanel (Matt Westcott)

docs/releases/index.rst

@@ -6,6 +6,7 @@ Release notes
 
    upgrading
    4.1
+   4.0.3
    4.0.2
    4.0.1
    4.0