By catch on
Change record status: 
Published (View all published change records)
Project: 
Drupal core
Introduced in branch: 
10.1.x
Introduced in version: 
10.1.0
Issue links: 
https://www.drupal.org/node/3282233
Description: 

The CKEditor code block is now configurable, allowing the list of languages that can be input to be changed in the editor configuration.

Existing configuration will be updated in hook_update_N() and hook_editor_presave(), however any shipped editor configurations that include code block in install profiles or modules should be re-exported prior to Drupal 11.

Impacts: 
Site builders, administrators, editors
Module developers
Site templates, recipes and distribution developers