Erik Vesterlund

Thanks @stloeffler . Indeed my best guess is that it's Qt version mismatch, I don't know how that might've happened though. Here are the outputs you asked for: ``` texworks:...

I only found one `qt.conf` file, that seems to have come with my installation of [MiniZinc](https://www.minizinc.org/). Its contents are: ``` $ cat ~/MiniZincIDE-2.7.4-bundle-linux-x86_64/bin/qt.conf # generated by linuxdeploy-plugin-qt [Paths] Prefix =...

Hi again. I installed `qttools5-dev-tools`, here's the output requested: ``` $ qtpaths --plugin-dir /usr/lib/x86_64-linux-gnu/qt5/plugins ``` Running with the env variable you suggested unfortunately doesn't seem to help, ``` $ QT_PLUGIN_PATH="/usr/lib/x86_64-linux-gnu/qt5/plugins/"...