MKVToolNix GUI: multiplexer: if the file identification fails due to a JSON parser error, the output generated by `mkvmerge` will be output via Qt's debugging facility (viewable with SysInternal's 'Debug View' utility on Windows on other systems it's output on `STDERR`) allowing insight into what's gone wrong. MKVToolNix GUI: added an option in the preferences to disable all tooltips - MKVToolNix GUI: Windows: debug output sent via Qt's to Windows' debugging facility will use a more verbose message format including the application name, making it easier to filter for in SysInternal's 'Debug View' utility. If enabled, tab names will be shortened so that all tab headers fit into the window's width. MKVToolNix GUI: added an option in the preferences to turn on eliding text on tab headers.

mkvmerge will now emit error messages when the user attempts either instead of continuing and creating invalid FLAC tracks. New features and enhancements: - mkvmerge: mkvmerge has never supported appending & splitting FLAC audio tracks.

MKVToolnix 79.0 for windows instal