Issues:
Rematch, which leads to less people in matchmaking.
Return to crew form, which brings all the strangers with you (including 3/4 ship crews) which is usually half empty and forces large lobbies.
Joining a match that starts almost instantly, so you can't prepare.
Getting 2 gunners on a ship you want no gunners on... Getting 2 pilots...
Fixes(?):
I suggest fixing the return to crew option to only include people you started a crew form with before the match.
Rematch I suggest removing but if people want it then I think it'll be fine.
Add about 10 seconds when someone joins a match. The worst thing is joining and not being prepared for the match.
Getting 2 gunners or pilots through matchmaking... Can this just not be a thing unless the captain specifically wants it? xD
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Anyway, that's my annoyances and half the reasons why I haven't been playing lately. Enjoy it or not.