M4 is the first Apple silicon where the WFI instruction loses register state, a spec violation baked in from the factory. Yureka Lilian's write-up covers the fix, now merged into mainline Linux and m1n1, that boots M4 machines with all cores.
Asahi's Sven Peter sent the initial device trees for the M4 MacBook Pro, iMac, MacBook Air and Mac mini, plus the A18 Pro MacBook Neo: enough to boot the kernel, not yet enough to use the machines.
An early alpha for the M4 Mac mini from two developers who forked from Asahi over its LLM policy: KDE on Wayland, working GPU acceleration, and Assisted-By trailers on the kernel commits.
