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).

• Support for Dolby Vision in Matroska/HEVC (thanks @ptaru).
• Fix for AV1 video.
• Requires macOS 14 "Sonoma" or later.