lonaowna [1] filed a request to merge pasystray-gtk3-standalone [2]
into pasystray-gtk3-git [3]:

Original package did not comply with naming guidelines. This was
brought up in the comments on 2017-04-21, but the maintainer is
unresponsive.

[1] https://aur.archlinux.org/account/lonaowna/
[2] https://aur.archlinux.org/pkgbase/pasystray-gtk3-standalone/
[3] https://aur.archlinux.org/pkgbase/pasystray-gtk3-git/