MarsSeed [1] filed an orphan request for protontricks-git [2]:

I have requested the maintainer to implement a fix in pkgver 20 days ago; there was no response to that.

Current pkgver does not conform to Arch package guidelines because it is not guaranteed to be increasing monotonically.

[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/protontricks-git/