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Version 3 takes a new approach of using Media Extensions that add support to AVFoundation for non-native file formats and video codecs instead of using QuickLook extensions.

(Long-time Mac users may remember Perian which performed a similar function with the QuickTime framework before QuickTime was replaced by AVFoundation).

  • New Icon (thanks to @albertolicea00).
  • New "View Contact Sheet" entry in Finder's Services menu which provides a QuickLook Video v2-style static preview.
  • Use CoreAudio codecs when possible for more power-efficient audio decode.

Requires macOS 26 "Tahoe" or later.

Source: README.md, updated 2026-09-21