MKVToolNix 8.7.0 brings many improvements to the HEVC/H.265 support, a revamped GUI Preferences dialog, as well as better support for executing certain program after the entire queue or a job was finished. Moreover, MKVToolNix 8.7.0 adds support for outputting more items on the JSON identification and verbose modes, and introduces additional options for handling track statistics and attachments tags in the mkvpropedit tool.