CKEditor 5 Hackathon was a 2-day event for CKEditor 5 core developers. The goal was to implement proof-of-concepts of some neat features to see the capabilities of the new CKEditor 5 engine in action.
More details and source code on CKEditor 5 hackathon repository on GitHub.
Selective Undo

Editable Table of Contents

Markdown Editor

Suggestion Mode

Text Transformations

Autocompletion (suggestions)

Graphical Representation of the Model
