Starcraft 2, up to date version (08.11.2020)
Start a game of 3x3 Direct Strike using Auto Join.
Leave a match before it ends.
Press Auto Join.
Entering Lobby forever.
This sounds like a bug if you’ve been able to consistently replicate it, we would recommend reporting it here: https://us.forums.blizzard.com/en/sc2/c/bug-report/17
We don’t have any active bugs about this yet though.