Whats new in version 7.1.0:
- all: bug fix: Fixed file seeking code for »seek relative to end of file« case. Fixes #1035.
- mmg: bug fix: Selecting the root of the chapter editor tree will disable the language/country inputs properly as changing those fields doesn\'t make sense for the root.
- all: bug fix: if MKVToolNix on Windows is residing in a directory containing non-ASCII characters then translations weren\'t found. This has only been fixed for cases where those non-ASCII characters are part of the system\'s active code page.
- mkvmerge: bug fix: track statistics tags are not written for WebM files anymore as the WebM specification doesn\'t allow tags.
- mkvmerge: bug fix: Fixed wrong default duration for PCM audio tracks if the source file provides timecodes for that track. Fixes #1001 and #1033.
- mkvmerge: enhancement: SSA/ASS: in addition to semicolons comments can now start with exclamation marks, too.
- mkvextract: bug fix: Fixed a crash when opening damaged/invalid Matroska files in all extraction modes. Fixes #1...
Publisher review:MKVtoolnix is a set of tools to create, alter and inspect Matroska files under Mac OS X.Very complete, convert, arrange and encode your videos to MKV format, one of the most successful formats of the moment.
MKVtoolnix takes the concept of mkvextract GUI but embellished with some extra features. Besides being able to extract the audio, video and subtitle of MKV container, it can also mix new audio tracks, videos or subtitles. This feature is very useful when you want to integrate an audio track in another language or add subtitles file directly.
MKVToolnix can also be accessed via the command line once you have it setup.
Operating system:Mac OS X 10.8 or later
MKVtoolnix 7.1.0 details 
