Xcode 12.0.1 GM was released, but strangely, appears that this was an App Store only release.As of today, building and releasing apps on 12.0 GM is perfectly fine. There is no direct download option on Apple’s developer software portal for Xcode 12.0.1 GM
This release seems to only contain a fix that shouldn’t be relevant for our CI/CD environments, but you can read about it here.
At this moment both Xcode 12.0 GM and Xcode 12.2 (Beta 2) are already available on Bitrise.
Let us know if you have any questions, happy building!