.mkv

Matroska video, an open-standard multimedia container popular for high-definition video distribution

Dedicated renderer

Format facts

MIME type: video/x-matroska
Apple UTI: org.matroska.mkv
Stock Quick Look: no stock preview
Planned approach (census): special-renderer
Icon hint: plays
Prevalence: universal

Renderer note (from the census)

macOS plays MKV natively via AVFoundation

Gotchas: highly versatile container