MarsSeed [1] filed a deletion request for kwin-unredir [2]: Uploaded in June 2024 and never updated. Seems unused (0 votes/comments/popularity).
Arch extra repo carries the up-to-date kwin. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/kwin-unredir/
