Even a stable version can hiccup. Here are fixes:
Here are a few reasons why this particular version is "interesting": Mkvmerge Gui V8-2-0 Download
While version 8.2.0 is over a decade old, it is still archived for those needing specific legacy compatibility: Even a stable version can hiccup
: Join two separate video parts (like a movie split into two files) into one continuous file. Subtitle Management Mkvmerge Gui V8-2-0 Download