diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 63cd4f2d73..55c8af7bb1 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -303,6 +303,7 @@ Changelog
  * Adjust the size of panel labels on the "Account" form (Thibaud Colas)
  * Delay hiding the contents of the side panels when closing, so the animation is smoother (Thibaud Colas)
  * ListBlock now shows item-by-item differences when comparing versions (Tidiane Dia)
+ * Implement a new design for chooser buttons with better accessibility (Thibaud Colas)
  * Fix: Make sure workflow timeline icons are visible in high-contrast mode (Loveth Omokaro)
  * Fix: Ensure authentication forms (login, password reset) have a visible border in Windows high-contrast mode (Loveth Omokaro)
  * Fix: Ensure visual consistency between buttons and links as buttons in Windows high-contrast mode (Albina Starykova)
@@ -361,6 +362,10 @@ Changelog
  * Fix: Prevent account name from overflowing the sidebar (Aman Pandey)
  * Fix: Ensure edit form is displayed as unlocked immediately after cancelling a workflow (Sage Abdullah)
  * Fix: Prevent `latest_revision` pointer from being copied over when copying translatable snippets for translation (Sage Abdullah)
+ * Fix: Page listings actions under the "More" dropdown are now accessible for screen reader and keyboard users (Thibaud Colas)
+ * Fix: Bulk actions under the "More" dropdown are now accessible for screen reader and keyboard users (Thibaud Colas)
+ * Fix: Navigation to translations via the locale dropdown is now accessible for screen reader and keyboard users (Thibaud Colas)
+ * Fix: Make it possible for speech recognition users to reveal chooser buttons (Thibaud Colas)
  * Docs: Add custom permissions section to permissions documentation page (Dan Hayden)
  * Docs: Add documentation for how to get started with contributing translations for the Wagtail admin (Ogunbanjo Oluwadamilare)
  * Docs: Officially recommend `fnm` over `nvm` in development documentation (LB (Ben) Johnston)
@@ -423,6 +428,7 @@ Changelog
  * Maintenance: Remove unused `icon-help` and `help-inverse` code (Thibaud Colas)
  * Maintenance: Migrate privacy switch, FileFields, history buttons, error messages, Datetimepicker, ordering icons, thumbnails, ModelAdmin, page listings, workflows, and user creation form controls to SVG icons (Thibaud Colas)
  * Maintenance: Switch form submission listings to use the same ordering icons as other listings (Thibaud Colas)
+ * Maintenance: Refactor "More" dropdowns, locale selector, "Switch locales", page actions, to use the same dropdown component (Thibaud Colas)
 
 
 4.1.6 (25.05.2023)
diff --git a/docs/releases/5.1.md b/docs/releases/5.1.md
index 5a1adc501f..6837b525f2 100644
--- a/docs/releases/5.1.md
+++ b/docs/releases/5.1.md
@@ -33,6 +33,7 @@ Thank you to Damilola for his work, and to Google for sponsoring this project.
  * Add initial implementation of `PagePermissionPolicy` (Sage Abdullah)
  * Refactor `UserPagePermissionsProxy` and `PagePermissionTester` to use `PagePermissionPolicy` (Sage Abdullah)
  * Add a predictable default ordering of the "Object/Other permissions" in the Group Editing view, allow this [ordering to be customised](customising_group_views_permissions_order) (Daniel Kirkham)
+ * Implement a new design for chooser buttons with better accessibility (Thibaud Colas)
 
 ### Bug fixes
 
@@ -49,6 +50,10 @@ Thank you to Damilola for his work, and to Google for sponsoring this project.
  * Ensure that title and slug are synced on keypress, not just on blur (LB (Ben) Johnston)
  * Add a more visible active state for side panel toggle buttons (Thibaud Colas)
  * Debounce and optimise live preview panel to prevent excessive requests (Sage Abdullah)
+ * Page listings actions under the "More" dropdown are now accessible for screen reader and keyboard users (Thibaud Colas)
+ * Bulk actions under the "More" dropdown are now accessible for screen reader and keyboard users (Thibaud Colas)
+ * Navigation to translations via the locale dropdown is now accessible for screen reader and keyboard users (Thibaud Colas)
+ * Make it possible for speech recognition users to reveal chooser buttons (Thibaud Colas)
 
 ### Documentation
 
@@ -77,6 +82,7 @@ Thank you to Damilola for his work, and to Google for sponsoring this project.
  * Optimise the Settings context processor to avoid redundantly finding a Site to improve cache ratios (Jake Howard)
  * Convert page listing to a class-based view (Matt Westcott)
  * Clean up page reports and type usage views to be independent of page listing views (Matt Westcott)
+ * Refactor "More" dropdowns, locale selector, "Switch locales", page actions, to use the same dropdown component (Thibaud Colas)
 
 
 ## Upgrade considerations