Download MKVToolnix 6.9.1

Versions 6.9.0 and shortly after 6.9.1 of MKVToolNix have been released. MKVToolNix is ​​a collection of open source programs that allow viewing, editing, and conversion of Matroska files. For example, sound tracks and subtitles can be added, removed or set as default. They are separate command line tools, but a graphical user interface is included. Versions are available for download for Windows, many Linux distributions, and OS X. Since version 6.8.0, the following changes and improvements have been made:

Changes in release 6.9.1

• mkvmerge: bug fix: fixed huge memory usage when probing files (it was reading the whole file into memory for that).

Changes in release 6.9.0

• all: new feature: added a Brazilian Portuguese translation of the programs
• mkvpropedit, mmg’s header editor: bug fix: fixed a failed assertion in libEBML when writing the same changes twice to certain files (those for which a seek head with a single entry pointing to the elements modified by mkvpropedit/mmg’s header editor; eg x264 creates such files). Fixes #1007.
• mkvmerge: bug fix: reading fonts embedded in SSA/ASS files was sometimes truncating the attachments created from them. Fixes #1003.
• mkvmerge: bug fix: fixed display of very large IDs during attachment extraction.
• mkvmerge: enhancement: improved file type detection speed for text subtitle formats.
• mkvextract: bug fix: during the extraction of chapters, tags or segment info XML files with the –redirect-output parameter the BOM (byte order mark) was written twice.
• mkvmerge: bug fix: MPEG TS: timestamp outliers are ignored if they differ at least five minutes from the last valid timestamp. Fixes #998.
• mkvmerge: enhancements: trailing zero bytes will be removed from AVC/h.264 NALUs. Implement #997.
• mkvmerge: bug fix: fixed timestamp assignment for AVC/h.264 videos in which recovery point SEIs occur in front of the second field of two interlaced fields.