Indicators in Linux client with Gnome desktop

I’m running Ubuntu 16.04 with the Nextcloud client installed from the official PPA and don’t seem to be able to get the indicator to stay put. Unfortunately Gnome itself seems to have indicators broken by design (i.e. not following the Linux desktop standards if I’m following things correctly), but even when fixing this with the “Kstatusnotifieritem/appindictor support” extension it only appears for a while, vanishing after a suspend/resume for example.

Is there going to be support for Gnome, or is this a bug that I should be investigating and reporting?