3273986-ckeditor5-enabled-languages-11.x

core/modules/ckeditor5/src/Plugin/CKEditor5Plugin/Language.php

@@ -81,6 +81,7 @@ public function getDynamicPluginConfig(array $static_plugin_config, EditorInterf
         break;
 
       case 'un':
+      default:
         $languages = LanguageManager::getUnitedNationsLanguageList();
     }