diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 322c31a4437c..73e494f596bd 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -16,6 +16,13 @@ Changelog
  * Maintenance: Update pre-commit hooks to be in sync with latest changes to Eslint & Prettier for client-side changes (Storm Heg)
 
 
+5.1.1 (xx.xx.xxxx) - IN DEVELOPMENT
+~~~~~~~~~~~~~~~~
+
+ * Introduce `wagtail.admin.ui.tables.BooleanColumn` to display boolean values as icons (Sage Abdullah)
+ * Fix: Show not-`None` falsy values instead of blank in generic table cell template (Sage Abdullah)
+
+
 5.1 (01.08.2023)
 ~~~~~~~~~~~~~~~~
 
diff --git a/docs/releases/5.1.1.md b/docs/releases/5.1.1.md
new file mode 100644
index 000000000000..31e9ec34dcf4
--- /dev/null
+++ b/docs/releases/5.1.1.md
@@ -0,0 +1,29 @@
+# Wagtail 5.1.1 release notes - IN DEVELOPMENT
+
+_Unreleased_
+
+```{contents}
+---
+local:
+depth: 1
+---
+```
+
+## What's new
+
+
+### Other features
+
+ * Introduce `wagtail.admin.ui.tables.BooleanColumn` to display boolean values as icons (Sage Abdullah)
+
+### Bug fixes
+
+ * Show not-`None` falsy values instead of blank in generic table cell template (Sage Abdullah)
+
+### Documentation
+
+ * ...
+
+### Maintenance
+
+ * ...
diff --git a/docs/releases/index.rst b/docs/releases/index.rst
index 1fe2b59b9fdd..8ddb5359d840 100644
--- a/docs/releases/index.rst
+++ b/docs/releases/index.rst
@@ -6,6 +6,7 @@ Release notes
 
    upgrading
    5.2
+   5.1.1
    5.1
    5.0.2
    5.0.1