twa022 [1] filed a deletion request for xfce4-indicator-plugin-git [2]: Per xfce4 4.14 release notes, "The status notifier panel plugin provides a next-generation system tray where applications can show indicators. It supersedes the Ubuntu-centric xfce4-indicator-plugin for most application indicators."
http://xfce.alteroot.org/about/news [1] https://aur.archlinux.org/account/twa022/ [2] https://aur.archlinux.org/pkgbase/xfce4-indicator-plugin-git/
