CKEditor 4. Use this on Drupal 10 for backwards compatibility. Module page https://www.drupal.org/project/ckeditor Stability Stable Tags #CKEditor 4 Articles CKEditor 5 Readiness #CKEditor 4 [Module] CKEditor [Module] CKEditor Templates UI [Module] CKEditor Config [Module] CKEditor Description List [Module] CKEditor iFrame