Comment # 10 on bug 1231806 from Magnitude

(In reply to Frank Krüger from comment #9)
> (In reply to Magnitude from comment #7)
> > I have the same problem.
> > 
> > 
> > "WAYLAND_DEBUG=1 thunderbird |& grep app_id" shows me an empty line.
> > If I change /usr/share/applications/thunderbird.desktop to
> > .../thunderbird-esr.desktop, Thunderbird loses its icon, but the Wayland
> > icon is still there.
> > 
> > 
> > So there must be another solution.
> 
> Have you closed TB before checking from the command line?

In fact not, thanks. :-)

I tried it again with changing to -esr.dektop, relogged, opened Thunderbird
from Krunner (Link in taskbar broken), have detached that white Symbol from the
taskbar and pinned the newly opened Thunderbird.
Now it works.