MarsSeed [1] filed a deletion request for mutter-perf [2]: Abandoned fork of mutter, maintained only from Dec 2021 to Jan 2022. VCS package in disguise.
This is not the same as AUR/mutter-performance, which is up-to-date. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/mutter-perf/
