I don’t have an account at github since it belongs to Redmond now. But maybe @unman reads this thread. Aaaaand I have a hard time finding stuff in the Qubes github repositories. Aaaaaaaaaaaaaaaaaand maybe @unman uses his own gitlab repo or something.
But actually reporting issues would be the way to go.
So the idea is to fix the ArchLinux package recipe to include it, in PKGBUILD from qubes-core-agent-linux. But this recipe is complex, I don’t know if I can fix it. I will try but if someone is more fluent in PKGBUILD…