MarsSeed [1] filed a deletion request for kdeplasma-applets-ultimate- gmailfeed [2]: Discontinued KDE Plasma5 addon from 2019, reported not working with GMail in 2022. Upstream abandoned since 2019. There's a newer applet, released June 2022, for same purpose on AUR: kdeplasma-applets-gmailfeed. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/kdeplasma-applets-ultimate-gmailfeed/