I run it on my milk-v duo s risk sbc. The risk-v version is maintained by a few dedicated people, and the milk-v specifics I had to fix myself. But it works :)

I knew there's an unofficial version for ARM. I meant more that the vast majority of AUR packages target x64 only because that's what 'official' Arch supports.

That being said, didn't know there's a RISC V effort as well now, so TIL.