CKEditor 5 in Drupal 10: what is there to be excited about?

There's so much that's new and to be excited about in https://ckeditor.com/ckeditor-5/! It doesn't just look better, it works better: way smoother UX, collaborative editing, browser-specific bugs are a thing of the past thanks to the new architecture, it works great on narrow viewports (aka mobile devices), and so much more.

But … how does all of that apply to Drupal?

How can your Drupal site get on CKEditor 5? How can you be confident that the transition is smooth?

Let's talk about it!