FabioLolix [1] filed a deletion request for obs-studio-latest-release [2]:

Intentional duplicate of obs-studio in [Community] because that is out of date and someone can't wait. Don't even provide/conflicts obs-studio

[1] https://aur.archlinux.org/account/FabioLolix/ [2] https://aur.archlinux.org/pkgbase/obs-studio-latest-release/