Site Studio version 7.0 introduces support for Ckeditor 5. When you upgrade from an earlier version of Site Studio, you must manually update any text formats from Ckeditor 4 to 5.

To update the Site Studio text format:

1. Upgrade to the latest version of Site Studio on Drupal 9.x.
2. Ensure that the Ckeditor5 module is enabled.

3. Navigate to Configuration > Content authoring > Text formats and editors.

   
4. Click the Configure button besides the Site Studio text format.

5. In the Text editor field, select Ckeditor5.

   
6. In the CKEditor 5 plugin settings section, click Style.

7. Select the Add Site Studio styles checkbox.

   Note any warning messages relating to existing plugins. For details on plugin compatibility and upgrade timelines, visit Upgrade coordination for modules providing CKEditor 4 plugins.

8. Click Save configuration.

Updating text formats from Ckeditor 4 to 5