- Use GTK default flags for single instance
- Fix icon path to absolute /usr/share/icons
- Add postinstall chmod 644 for icon
- Remove Dart-level single instance code
- Changed window size to mobile phone format (400x800)
- Removed width condition for ActiveProxyFooter - now always visible
- Added run-umbrix.sh launch script with icon copying
- Stats cards now display on all screen sizes
- Changed app title from Hiddify to Umbrix in home page
- Added custom Umbrix logo (192x192 PNG)
- Updated intro page with Umbrix branding and gradient design
- Updated drawer menu with Umbrix logo
- Modified add profile modal with modern gradient cards
- Updated Russian translations (appTitle: Umbrix)