I also get same this issue, and after some hours debug and find this line is cause:
self.contentView.backgroundColor = [UIColor clearColor];
I just commented it and the issue was fixed! I don't know why it only happen on xcode 12
dangnv
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution
Last seen
User for