In this session you will learn: what are the new features in CKEditor 5, additional ready to use plugins you can add to CKEditor 5 via modules, what exciting features the CKEditor team plans to add via a contrib module and how to write your own plugin (+intro to the CKEditor 5 architecture)! Agenda: - How CKEditor 5 landed in Drupal 9/10 - An explanation on how CKEditor 5 is different than CKEditor 4 and introduction to all features, including the one that can be added with contrib modules - A guide on how to write a plugin/module that extends CKEditor 5 in Drupal 9/10