Using the stable version for now, because I couldn't get past selecting Open or New. You get the "wait" spinner indefinitely.
2D Character Portrait & VTuber Avatar Generator. · By
The problem with stuck on "wait" spinner has been fixed by now, but there's a chance of the main canvas glitching, only displaying black area. If you decide to try the nightly again, let us know if you experience this, because here we have limited access for testing on a proper Mac.
Thank you very much!