Some fixes and PC port features.
Fixed system crash when BIOS file is missing.
Fixed crash when selecting 'Undo Load State'.
Fixed game grid UI navigation position saving.
Fixed emulator freeze on 'Reload Shaders'.
Fixed UI settings page scroll.
Fixed cover download; press + in game grid/list to download.
Disabled rewind to prevent freeze.
Added Scale2x/3x texture filters.
Added post-shaders: fxaa, XBR, super-xbr, multi-LUT.
Added colorful themes (from PC).
Added mask toggle; disables fine crop when off.
Added mask; place ROM-named image in switch/duckstation/overlays, Mask loads at game start, supports any res and formats (bmp, gif, jpg, png).
'Custom' aspect ratio now available. Corrects AR distortion after fine crop.
Added fine crop mode to remove black borders.
Improved out-of-box experience.
Auto-map P0 on first startup.
Default ZL+ZR for 'Open Pause Menu'.
https://github.com/shooterspps/duckstation/releases/tag/prerelease-2