this bug report [2] for its current status and this test wiki [3] for implementation tests." So, as of now, we don't support WebM. :S Regards, -- Tanvir Rahman [[User:Wikitanvir]] On Wikimedia Projects [1] http://commons.wikimedia.org/wiki/Commons:Video#Video_formats [2] https://bugzilla.wikimedia.org/show_bug.cgi?id=23888 [3] http://prototype.wikimedia.org/timedmedia/Main_Page