Right now it's impossible to tell if the game is full while being tabbed out and often people have to spam someone's DMs until they wake up. It would be great to have an audio que besides "group formed" whenever the lobby fills completely.
Game full sound when the lobby fills
I agree, a good feature. Could you make an issue on Github about this: https://github.com/FAForever/fa/issues/new?assignees=&labels=status%3A+novel+issue&template=feature_request.md&title=
That way it doesn't get lost as time passes.
A work of art is never finished, merely abandoned