We had set up a 4v4 game, but one of our players had to go away from keyboard for a spell. When he idled too long the game disconnected him. The other three of us had hit "Done" already, and when he disconnected, the game launched. I'm not certain that this is the intended behavior, but if it is, I suggest the behavior be changed to clear our "done" statuses and let us choose whether to wait or launch anyway.
Fixed in [r11818]. Now, when a player disconnects in the lounge, the "Done" state of all other players is reset.
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Commit: [r11818]