Hartmut Goebel <h.goebel@crazy-compilers.com> writes:

> I just packages a simple GUI application using pythonqt5 and
> python-poppler-qt. When running it fails with:
>
> Could not load the Qt platform plugin "xcb" in "" even though it was
> found.

Does it help if you wrap it with QT_PLUGIN_PATH, as we do with some
other KDE applications?

Alternatively, installing 'qtbase' with the other packages should set up
the relevant search paths.