MarsSeed [1] filed a deletion request for plasma5-theme-monterey-git [2]: Does not work on current Arch Linux, which has KDE6.
Upstream has not been ported to the latter (unmaintained since 2023). [a] If and when it receives the needed updates, a new plasma6 package is to be uploaded to AUR. [a]: https://github.com/vinceliuice/Monterey-kde [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/plasma5-theme-monterey-git/
