The information is available as JSON and XML files at the following URLs: Users of this interface can switch to retrieving the information about available updates directly from the MKVToolNix website. There is and will be no equivalent interface in the tools themselves.

all command line tools: the option '–check-for-updates' (the GUI will keep its online check for updates, though).

Please convert users of this interface to the new JSON option file format introduced in this release.

all command line tools: the old, proprietary format used for option files.

Please convert existing users of these interfaces to use mkvmerge’s JSON identification output which can be invoked with '–identification-format json –identify …'.

mkvmerge: the options ' -identify-verbose', ' identify-for-gui', ' identify-for-mmg' and ' identification-format verbose'.

Deprecation warning: Several options and features are now deprecated and will be removed at the start of 2018.

Here’s the full ChangeLog since the previous release:

The Linux binaries will be available later today. The Windows and Mac OS binaries have been built already and are available for download. You can download the source code or one of the binaries. For gcc v4.9.x or later will work, for clang v3.4 or newer is required. Notes for package maintainers: MKVToolNix now requires a compiler that supports certain features of the C++14 standard. See the first top-most entry in the ChangeLog below for details. These are scheduled to be removed early in 2018.

Note that this release deprecates the options (e.g.

There were a lot of enhancements to the GUI all over the place, several bug fixes in mkvmerge, a couple of enhancements there, too.

Mkvmerge gui download medifire