diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index c2573e511f..0f9c5704db 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,6 +1,12 @@
 Changelog
 =========
 
+6.3 (xx.xx.xxxx) - IN DEVELOPMENT
+~~~~~~~~~~~~~~~~
+
+ * ...
+
+
 6.2 (xx.xx.xxxx) - IN DEVELOPMENT
 ~~~~~~~~~~~~~~~~
 
diff --git a/docs/releases/6.3.md b/docs/releases/6.3.md
new file mode 100644
index 0000000000..d3cdc0b65f
--- /dev/null
+++ b/docs/releases/6.3.md
@@ -0,0 +1,37 @@
+# Wagtail 6.3 release notes - IN DEVELOPMENT
+
+_Unreleased_
+
+```{contents}
+---
+local:
+depth: 1
+---
+```
+
+## What's new
+
+### Other features
+
+ * ...
+
+### Bug fixes
+
+ * ...
+
+### Documentation
+
+ * ...
+
+### Maintenance
+
+ * ...
+
+
+## Upgrade considerations - changes affecting all projects
+
+## Upgrade considerations - deprecation of old functionality
+
+## Upgrade considerations - changes affecting Wagtail customisations
+
+## Upgrade considerations - changes to undocumented internals
diff --git a/docs/releases/index.rst b/docs/releases/index.rst
index 754a2c84f8..b6a312e337 100644
--- a/docs/releases/index.rst
+++ b/docs/releases/index.rst
@@ -5,6 +5,7 @@ Release notes
    :maxdepth: 1
 
    upgrading
+   6.3
    6.2
    6.1.3
    6.1.2