For quite some time, Guilty Gear -Strive- players have been facing severe exploit, which led to different problems with the game. You could see your in-game name or stats changed, and that would be the best case. In the worst case the memory leak made the game unplayable.
On August 13, the senior esports manager of Arc System Works acknowledged the problem, and now we have the date of the next patch that could possibly eliminate the exploit.