Editor: The most up to date DirectShow filter to read Matroska files. Support AVI and MP4 Playback too, unfortunately not open source. Included in both matroska packs, most recent versions to be found on its homepage.
New Features:
Added support for muxing FLAC audio as A_FLAC to the muxer
Added support for parsing recovery point SEIs in H.264 streams in PS and TS containers
Added an automatic Colorspace selection option to the renderer, it switches to BT.709 when video width is 1024 or more
Fixed items:
Added a workaround for some Broken matroska files with trailing 0s
Disabled the PS3 upscaler since it doesn't work properly on all hardware
Fixed handling of VC-1 with changing sequence headers in PS and TS containers
Fixed VC-1 Aspect ratio detection
Added support for PCM audio with 7 and 8 channels
Fixed channel mapping for PCM in M2TS container
Added a workaround to make MS VC-1 DMO decoder accept formats with included aspect ratio information
Fixed the misbehaving Apply button in color planes shift dialog in the renderer