MarsSeed [1] filed a deletion request for qtnotifydaemon [2]: Discontinued Qt4 service applet from 2013. Didn't work on Qt5 based desktops like KDE5, and now also does not work on the Qt6 based KDE6.
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/qtnotifydaemon/
