aviallon [1] filed a request to merge avif-git [2] into libavif-git [3]: libavif-git is essentially the same package, but it conflicts with libavif from community, thus preventing file conflicts.
[1] https://aur.archlinux.org/account/aviallon/ [2] https://aur.archlinux.org/pkgbase/avif-git/ [3] https://aur.archlinux.org/pkgbase/libavif-git/
