About 3.:

Thats how to break your wine prefix. Always use either a prefix manager like bottles or at least set your WINEPREFIX= variables

Joplin’s hand drawing is horrible.

Aside from basic stuff like a ruler and backgrounds missing, it’s force recognition is made so it makes the whole line thicker, and once its thick it does not become thin once I don’t press on it anymore

Also, PDF imports are missing, and the integration of handwriting into the note itself is very poor (just a link with a PNG render)