Hey @jb55 there is a bug:  

When someone is tagged in a note first and got deleted, that person is still tagged with the first letter is highlighted on the new note.

Fyi https://video.nostr.build/9dce4364af93ccbf966d74ecbd6025b5818b4b9b9ef814baff80665a3cae5d4d.mp4  

 @jb55