LA-MJ [1] filed a deletion request for fcast-receiver-bin [2]: The upstream have decided to publish flatpak builds exclusively: https://github.com/futo-org/fcast/releases/tag/desktop-receiver-3.0.1
[1] https://aur.archlinux.org/account/LA-MJ/ [2] https://aur.archlinux.org/pkgbase/fcast-receiver-bin/
