GNOME is open to adding a system tray. There are even designs for it. There is just no one working on the technology. TingPing, an Igalia employee and GNOME co

GNOME is open to adding a system tray. There are even designs for it. There is just no one working on the technology. TingPing, an Igalia employee and GNOME contributor, was working on a new D-Bus protocol for it, but the work stopped. There is a PR up on the freedesktop xdg-specs repository.