Add release notes for #11406

CHANGELOG.txt

@@ -1,6 +1,12 @@
 Changelog
 =========
 
+5.2.3 (xx.xx.xxxx) - IN DEVELOPMENT
+~~~~~~~~~~~~~~~~
+
+ * Fix: Prevent a ValueError with `FormSubmissionsPanel` on Django 5.0 when creating a new form page (Matt Westcott)
+
+
 5.2.2 (06.12.2023)
 ~~~~~~~~~~~~~~~~~~
 

docs/releases/5.2.3.md

@@ -0,0 +1,16 @@
+# Wagtail 5.2.3 release notes - IN DEVELOPMENT
+
+_Unreleased_
+
+```{contents}
+---
+local:
+depth: 1
+---
+```
+
+## What's new
+
+### Bug fixes
+
+ * Prevent a ValueError with `FormSubmissionsPanel` on Django 5.0 when creating a new form page (Matt Westcott)