MDL-78203 lib: document new components

course/format/upgrade.txt

@@ -14,6 +14,8 @@ Some considerations about the activitybadge feature:
   - Optionally, any other extra HTML attributes to the badge element (for example, data attributes).
 * Protected function `core_courseformat\output\local\content\section\availability::availability_info()` has been deprecated,
 `core_courseformat\output\local\content\section\availability::get_availability_data()` should be used instead.
+* New course format output classes:
+  - core_courseformat\output\local\content\cm\groupmode output class to display the groupmode icon in the activity card.
 
 === 4.2 ===
 * New core_courseformat\base::get_context() to get the course context directly from the format instance.

lib/upgrade.txt

@@ -71,6 +71,11 @@ information provided here is intended especially for developers.
 * The moodle-core-notification-confirm module, found under the M.core.confirm namespace, has been deprecated.
   Any code using it should be rewritten as an ESM and use the core/notification module instead.
   See MDL-77174 for further information.
+* New set of output generic components. Check the component library for more information:
+  - core\output\local\action_menu\subpanel to add subpanels to action menus.
+  - core\output\local\dropdown\dialog to display HTML inside a dropdown element.
+  - core\output\local\dropdown\status to render a user choice into a dropdown.
+  - core\output\choicelist class to render a list of user choices. It combines with dropdown status and action menu subpanels.
 
 === 4.2 ===