- Add null check for message.message in search filter
- Handle missing colorScheme/colorSchemeChanged methods for older Qt versions
- Add display check to prevent hanging in headless environments
- Update build documentation with system package alternative
- Update PyInstaller spec for Python 3.12
- Improve run.sh script with venv management
* add "automatic" theme
set the theme and icons based on the system theme
* update the default icons based on system theme
* update pyqt to 6.5.0 to get the colorSchemeChanged callback
* rename style to theme
* remove unused svg files for default theme
* ServerInfoDialog: update feedback colors in dark mode
