Intel only. Mostly untested (my Mac doesn't have a GPU), but seems to work.
For reasons unknown Unity builds Apple Silicon apps without launch permissions (or whatever those are called), essentially creating apps that cannot be opened until you manually patch them via Terminal. Unfortunately, I don't have an Apple Silicon Mac and I cannot ask the friend of mine who does to download a build, patch it, and upload it back for me every time I have a new one. So, all thanks to Unity, CLOUDOME currently doesn't support Apple Silicon.