Add changelog / release notes for 4.2

CHANGELOG.txt

@@ -1,6 +1,12 @@
 Changelog
 =========
 
+4.2 (xx.xx.xxxx) - IN DEVELOPMENT
+~~~~~~~~~~~~~~~~
+
+ * ...
+
+
 4.1 LTS (xx.xx.xxxx) - IN DEVELOPMENT
 ~~~~~~~~~~~~~~~~~~~~
 

docs/releases/4.2.md

@@ -0,0 +1,25 @@
+# Wagtail 4.2 release notes - IN DEVELOPMENT
+
+_Unreleased_
+
+```{contents}
+---
+local:
+depth: 1
+---
+```
+
+## What's new
+
+
+### Other features
+
+ * ...
+
+### Bug fixes
+
+ * ...
+
+
+## Upgrade considerations
+

docs/releases/index.rst

@@ -5,6 +5,7 @@ Release notes
    :maxdepth: 1
 
    upgrading
+   4.2
    4.1
    4.0.4
    4.0.2

docs/releases/upgrading.md

@@ -59,6 +59,7 @@ The compatible versions of Django and Python for each Wagtail release are:
 
 | Wagtail release | Compatible Django versions | Compatible Python versions |
 | --------------- | -------------------------- | -------------------------- |
+| 4.2             | 3.2, 4.0, 4.1              | 3.7, 3.8, 3.9, 3.10        |
 | 4.1 LTS         | 3.2, 4.0, 4.1              | 3.7, 3.8, 3.9, 3.10        |
 | 4.0             | 3.2, 4.0, 4.1              | 3.7, 3.8, 3.9, 3.10        |
 | 3.0             | 3.2, 4.0                   | 3.7, 3.8, 3.9, 3.10        |