Rustmilian [1] filed an orphan request for obs-studio-git [2]: I've got a working fix linked in the comments, either use them or orphan the package so I can transfer it to me and push my working changes.
[1] https://aur.archlinux.org/account/Rustmilian/ [2] https://aur.archlinux.org/pkgbase/obs-studio-git/
