more info here
https://developer.apple.com/forums/thread/678986
juliankauai
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I'm on an M1 mac and having the same issue as others here with xcode 12.5. Compiles fine then crashes on opening of organizer. Then opening the organizer for anything crashes with 2 secs. Going back to xcode 12.4 solves the problem because it can compile and open organizer without any issues. But using 12.4 does not fix or temporarily fix 12.5 organizer issue.