devtrackers.gg
I believe I have found the culprit to the rejoin ranked bug. To recreate, a player must join a lobby and experience a connection failure either from the game crashing or internet disconnection during a ranked game. Upon rebooting the game, there will be an available option to reconnect, however it is impossible to reconnect. An error code of 4-0xFFF0BE25 is shown. Here is a video link to the failed attempts of reconnection:
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