This list defaults to a handful of common languages instead of the full list of supported languages Bug fixes: - mkvmerge: MP3 packetizer: removed a memory leak growing linearly with the track’s size - mkvmerge: VobSub packetizer: whenever a VobSub packet doesn’t contain a duration on the container level, mkvmerge will now set it from the duration in the SPU packets. 'S02E14'), then only the part after the season/episode pattern will be used for detecting the language - MKVToolNix GUI: multiplexer: the regular expression used for deriving track languages from the file names can now be customized in the preferences - MKVToolNix GUI: multiplexer: the user can now customize the list of track languages the GUI recognizes in file names.

New features and enhancements: - mkvmerge: input: format detection uses file-extension to improve performance and to give preference when several formats match - mkvmerge: AV1: added support for reading AV1 video from Open Bitstream Unit files - mkvmerge: AV1: adjusted the code for the AV1 bitstream format changes made up to (git revision d14e878) - mkvmerge: MP4 reader: if a track has an edit list with two identical entries, each spanning the file’s duration as given in the movie header atom, then the second entry will now be ignored - MKVToolNix GUI: multiplexer: added options to only enable tracks of certain types by default - MKVToolNix GUI: multiplexer: added an option to enable dialog normalization gain removal by default for all audio tracks for which the operation is supported - MKVToolNix GUI: multiplexer: when deriving track languages from the file names is active and the file name contains the usual season/episode pattern e.g.

MKVToolnix 80.0.0 downloading