Howdy all,
here is a universal (x86_64, arm64) build of Pd 0.52-0 for testing:
This build includes Tk 8.6.12 which fixes a number of GUI bugs and should support new macOS 12 systems. My build system is 11.6.1, so it's likely that this will only run on systems back to maybe macOS 10.9 or 10.10.