OpenEmu 2.3

What's new in this version:

- Initial macOS 10.11 Big Sur support. Note: Native Apple Silicon support (no Rosetta 2) in a future update
- Redesigned most UI in native macOS style, replacing custom theming
- Added redesigned app icon ready for Big Sur
- Added import failure messages
- Added shader compiler optimization pass for faster performance
- Added integer scaling options to the HUD bar for fullscreen popout window, by default keeping the last used integer scale. Note: HUD bar > cog wheel > Scale > "Fill Screen" to fill the whole screen
- Added "Always snap popout gameplay window to integer scale" when dragging. Note: Hold "shift" before dragging to disable snap resizing
- Added "Always use popout gameplay window" as default
- Added "Always float popout gameplay window on top" Gameplay Window Management option
- Added menu bar items and keyboard shortcuts (⌘3–6) for changing category
- Added increase/decrease buttons to slider control
- Added keyboard shortcuts (⌘+/⌘–) for changing grid size
- Added toolbar customization (Right click > Customize Toolbar…)
- Added light gun support for PS1 and Sega Saturn
- Improved error message when a core plugin crashes
- Improved UX for core download failures
- Improved UI polish and HIG conformance
- Improved the codebase with huge refactoring to Swift, modernization and cleanup
- Improved accessibility of in-game notifications and VoiceOver
- Fixed multi-output audio device crash
- Fixed a rare import-related crash
- Fixed a rare issue where games might not start due to permissions
- Fixed rare issue where screenshots would be a black screen
- Fixed case where duplicate save states could appear
- Fixed using shared/split fullscreen
- Fixed the first fullscreen animation of the popout game window after it is moved to another screen
- Fixed associating common file extensions with OpenEmu
- Updated XADMaster framework
- Updated localizations
- Other bug fixes and performance improvements