diff --git a/content/en/docs/refguide/modeling/menus/edit-menu/preferences-dialog.md b/content/en/docs/refguide/modeling/menus/edit-menu/preferences-dialog.md
index 4ea10e50095..e732efeb322 100644
--- a/content/en/docs/refguide/modeling/menus/edit-menu/preferences-dialog.md
+++ b/content/en/docs/refguide/modeling/menus/edit-menu/preferences-dialog.md
@@ -321,6 +321,10 @@ This setting is enabled by default. The editor allows the user to write rich tex
 
 You can publish data as a GraphQL service. When you enable this feature, you can indicate that a published OData service [also supports GraphQL](/refguide/published-odata-services/#supports-graphql).
 
+### JavaScript Action Editor
+
+Select this option to use the modernized version of the JavaScript Action Editor. You must close all open JavaScript Actions to use this feature.
+
 ### Mapping Editor
 
 This setting allows you to set the beta version as the default editor.
diff --git a/content/en/docs/refguide/modeling/resources/javascript-actions.md b/content/en/docs/refguide/modeling/resources/javascript-actions.md
index 634c23c173b..d4cbb04f819 100644
--- a/content/en/docs/refguide/modeling/resources/javascript-actions.md
+++ b/content/en/docs/refguide/modeling/resources/javascript-actions.md
@@ -24,6 +24,12 @@ The skeletons of these *.js* files are generated automatically when you save an
 
 To learn how to create, configure, and use a JavaScript action, see these [Build JavaScript Actions](/howto/extensibility/build-javascript-actions/) how-tos.
 
+{{% alert color="info" %}}
+
+With Mendix 11.9, a new modernized JavaScript Action editor was released into Beta. Enable it via **New Features** in the **Preferences**.
+
+{{% /alert %}}
+
 ## General Settings
 
 Double-click the JavaScript action in your **App Explorer** to open the action's settings: