MarsSeed [1] filed a deletion request for i3-gaps-desktop [2]: Build broken. Fork is EOL since 3 years ago. [a]
Pkg no longer needed: all i3-gaps features have been upstreamed and are present in stable i3-wm since v4.22. [a]: https://github.com/tdemin/i3 [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/i3-gaps-desktop/