New Features

• Keyboard navigation in file manager (by @gncnpk)
• Lefty mode support

Bug Fixes

• Display proper operation progress when downloading multiple files from Flipper
• When reinstalling firmware updates, verify the md5 sums (#156)
• Make the self update dialog closable in case of failure
• Improve font antialiasing with Qt6
• Improve DPI handling (incl. multi-monitor configurations)
• Do not fail if a .tgz update file has been renamed
• Improve scrolling animations
• Show an error when the user drops a file from a .zip folder
• Other small fixes and improvements

Under the Hood

• Upgrade Windows and Linux versions to Qt6
• Upgrade AppImage build pipeline to Ubuntu 20.04
• Enable Wayland support for Linux AppImages
• Enable XDG portal support for Linux AppImages
• Increase write chunk size to 1K (slighly faster file uploads)
• Improved USB device handling and error reporting

Other improvements

• Fix typos and improve text messages