Tauno Erik

Has permission "Access USB hardware directly" enabled? More information is here: https://snapcraft.io/tauno-serial-plotter

If no ports show up. Then close the app and run these commands. And open the app again: ```Bash sudo usermod -a -G dialout $USER sudo snap connect tauno-serial-plotter:raw-usb ```

You can try to clean the font cache: ```bash sudo rm /var/cache/fontconfig/* rm ~/.cache/fontconfig/* fc-cache -r ```

If no ports show up. Then close the app and run these commands. And open the app again: ``` sudo usermod -a -G dialout $USER sudo snap connect tauno-serial-plotter:raw-usb ```

Yes, unfortunately, the windows version is quite outdated. And I do not have enough time and experience to fix it. For now, it is easier to run directly from Python...