Last year, they already merged part of their work: https://www.theregister.com/2021/04/09/asahi_linux_merged/
But I haven't seen anything since. It's the stated goal, though.
There's a table here that shows not only what's supported vs. not, but also which minimum kernel version or linux-asahi/asahi-edge release it's in: https://github.com/AsahiLinux/docs/wiki/Feature-Support
Last year, they already merged part of their work: https://www.theregister.com/2021/04/09/asahi_linux_merged/
But I haven't seen anything since. It's the stated goal, though.