21 -> 22 KDE system tray issues

[Rex Dieter]

David Cary Hart wrote:

> I am unable to find Thunderbird when I close it to the system tray. It's
> not in the hidden icons either. Anyone else? Suggestions?


Plasma5 no longer supports legacy/xembed systray icons, see also:
https://lists.fedoraproject.org/pipermail/devel/2014-March/196343.html
and
http://blog.martin-graesslin.com/blog/2014/06/where-are-my-systray-icons/

It is possible to use some 3rd-party systray apps that support xembed, like 
wmsystemtray

-- Rex