06-16-2014, 02:14 AM
06-16-2014, 06:05 AM
Actually, you'll actually be able to play them if you add mkv to the list of supported video extensions. To adjust the allowed video extension change the songbird.mediacore.gstreamer.videoExtensions pref. There are plans to switch to a blacklisting system instead, where gstreamer tells us what it can do.