Module page https://www.drupal.org/project/ckeditor CKEditor 4. Use this on Drupal 10 for backwards compatibility. Core module no Stability Stable Tags CKEditor 4 IssuesRelated issuesQuestionsRelated modulesResourcesArticlesCKEditor 5 ReadinessChange recordsProject updatesTips
Module page https://www.drupal.org/project/ckeditor CKEditor 4. Use this on Drupal 10 for backwards compatibility. Core module no Stability Stable Tags CKEditor 4