Fixed case where duplicate save states could appear.

Fixed rare issue where screenshots would be a black screen.

Fixed a rare issue where games might not start due to permissions.

Improved accessibility of in-game notifications and VoiceOver.Improved the codebase with huge refactoring to Swift, modernization and cleanup.Improved UI polish and HIG conformance.Improved UX for core download failures.Improved error message when a core plugin crashes.Added light gun support for PS1 and Sega Saturn.Added toolbar customization (Right click > Customize Toolbar…).Added keyboard shortcuts (⌘+/⌘–) for changing grid size.

Added increase/decrease buttons to slider control.Added menu bar items and keyboard shortcuts (⌘3–6) for changing category.Added 'Always float popout gameplay window on top' Gameplay Window Management option.Added 'Always use popout gameplay window' as default.Note: Hold 'shift' before dragging to disable snap resizing. Added 'Always snap popout gameplay window to integer scale' when dragging.Note: HUD bar > cog wheel > Scale > 'Fill Screen' to fill the whole screen. Added integer scaling options to the HUD bar for fullscreen popout window, by default keeping the last used integer scale.Added shader compiler optimization pass for faster performance.Added redesigned app icon ready for Big Sur.Redesigned most UI in native macOS style, replacing custom theming.Note: Native Apple Silicon support (no Rosetta 2) in a future update. OpenEmu v2.3 Requires macOS 10.14.4 or above

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