MarsSeed [1] filed a deletion request for watcher3 [2]: VCS package in disguise from 2018, broken for at least 18+ months. Upstream development discontinued since the mentioned year. [a]
No need to keep this: there are many working alternatives. [a]: https://github.com/nosmokingbandit/Watcher3 [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/watcher3/
