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Reduce repeated VRAM copying during raster capture to improve CPU headroom, especially with adaptive widescreen. Exact immutable images preserve scanline changes; guest execution, PPU work, enemy spawning and gameplay rules remain intact.
The owner approved the final current-main gameplay build. Automated full-copy/optimized checks match 21 captured images plus simulation/render telemetry at 4:3, 16:9 and 32:9. Actual Mods Fit to screen with Screen-based spawning also matches the qualified route. Tracked, byte-compare and full-copy renderer checks pass.
The optional experimental simultaneous co-op mod from 0.15.0 is preserved and remains disabled by default, with its existing known limitations. Lua support/examples and the owner-ROM Falcon helper remain included. ROM-hack/content-pack development is not included.
Extract the complete Windows ZIP, or make the Linux AppImage executable. Supply your own Super Mario World USA ROM. No ROMs, generated owner assets or personal saves are distributed. Preserve native in-game progress and settings when updating; host save states are build-specific.