The Full Site Editing Outreach Program may also need to be renamed. Haden Chomphosy said WordPress users can still expect to see or hear the term FSE around – it’s not a situation where every instance needs to erased.

Just noting that I'm actively tracking this down and looking for clarity for anyone else curious: https://make.wordpress.org/updates/2022/11/04/site-editor-a-more-user-friendly-name/#comment-5843