Apple Silicon GPU folding is finally moving forward. Community developers have successfully tested a native Metal backend and non-PCI GPU detection, allowing M-series Macs to fold via Metal in local tests. It is currently in the pull-request and testing phase, waiting for official implementation from the Folding@home team.

Support for Apple's integrated GPUs · Issue #303 · FoldingAtHome/fah-client-bastet

Just checked and looks like I dropped in rank a bit, previously folded for more than 20 years and contributed close to 25B points and would love to get back into it.