.bmp

Windows bitmap, Microsoft's uncompressed raster image format storing pixel arrays with optional alpha

Dedicated renderer

Format facts

MIME type: image/bmp
Apple UTI: com.microsoft.bmp
Stock Quick Look: no stock preview
Planned approach (census): special-renderer
Icon hint: renders
Prevalence: universal

Renderer note (from the census)

macOS handles natively

Gotchas: already covered