Comment # 2 on bug 1186877 from Jonathan Kang

(In reply to Stefan Knorr from comment #0)
> gpk-update-viewer is installed by default on openSUSE GNOME systems and
> periodically shows notifications about package updates. Unfortunately, it
> does have a tons of weird UI bugs that not only make the software feel
> unfinished but also make the desktop itself feel unpolished.
> 
> One of these issues is that gpk-update-viewer will create notifications
> periodically about updates being available. However, it will also create
> these notifications despite the fact that no actual updates are available:
> You click
> the notification, the gpk-update-viewer main window opens and it tells you
> there are no updates.

Does "pkcon get-updates" show any update when gpk-update-viewer doesn't?

And btw, please run the following command and provide the output of
"gnome-software --verbose"

> $ kill `pidof gnome-software`
> $ gnome-software --verbose

Thanks