MarsSeed [1] filed a deletion request for akonadi-decsync-resource-git [2]: Broken Qt5 VCS package, not compatible with its current Qt6 based dependencies. Upstream not maintained since 2020. [a] [a]: https://github.com/TimoWilken/akonadi-decsync-resource [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/akonadi-decsync-resource-git/