Latest News

WebM Community Cross-License Initiative

April 25, 2011 - The WebM Project today announced an initiative to establish a Community Cross-License (the CCL) with 17 founding members.

Google, Matroska and the Xiph.Org Foundation already make the components of WebM openly available on royalty-free terms.

With the establishment of the CCL, CCL members will agree to license patents they have that may be essential to WebM technologies to other members of the CCL.

The founding members of the initiative are:

  • AMD
  • Cisco Systems
  • Google Inc.
  • HiSilicon Technologies (for itself and on behalf of its parent, Huawei)
  • LG Electronics
  • Logitech
  • Matroska
  • MIPS Technologies
  • Mozilla Corporation
  • Opera Software
  • Pantech
  • Quanta Computer
  • Samsung
  • STMicroelectronics (for itself and its affiliate, ST-Ericsson)
  • Texas Instruments
  • Verisilicon Holdings
  • Xiph.Org Foundation

About the WebM Project

The WebM Project launched in May, 2010 with the goal of establishing a high-quality, open video format for the web. Since then, WebM support has shipped in millions of web browsers and devices worldwide. To learn more, visit

Matroska 3D support

The Matroska 3D support is rapidly growing.

v3 tools

While we are working on the new Matroska v3 features, we released new mkclean 0.8.0 and mkvalidator 0.3.3.

Specification additions and changes

Despite its age, Matroska is still evolving, adding new features or making the specifications more precise.

libebml 1.2.0 and libmatroska 1.1.0

6 months after our last release, libebml and libmatroska, our C++ libraries, have been updated.

Matroska 8th Anniversary

On the 6th December of 2010 Matroska has turned 8 !

Mkclean and Mkvalidator on Linux

Another sunday, another release of our test/cleaning tools.

New stable mkclean 0.7.0 and mkvalidator 0.3.0

After a few weeks of development and going through a lot of proof testing, validation and regression tests, mkclean 0.7.0 is out.

New versions of our Tools

mkclean and mkvalidator were just updated.

Person Of Interest

After the free Pioneer One episode, is back with a new free short film called Person Of Interest.