OK... another unstable release is out 0.73.1936 http://www.illiminable.com/ogg/downloads.html#unstable As before, most people should continue with 0.71 as that release has been reasonably well tested. Unless you are affected by a specific bug, or want to try a new feature. The changes from 0.72 to 0.73 are: # Encode options for theora, vorbis, speex and flac and property pages in graphedit # Improved OGM decoding # Improved subtitle support # Vorbis channel order fixed # 24/32 bit >2 channel decode support improved for vorbis and flac # Fix end of file/repeat bug in flac # Correct handling of aspect ratio in theora # "Add to playlist" option for WMP appears in explorer right-click menu Mainly, aside from fixing the FLAC bug that got re-introduced in 0.71, and fixing the aspect ratio handling in theora and channel order in vorbis. The major changes are in the encoders. All the codecs now expose most of the encoding options, and have a property page in graphedit. These have only had very limited testing, it's probably possible to crash it if you try hard enough. But other than that, you can set various settings in FLAC, vorbis, speex and theora now. For all of the encoders, you have to set the options after the input pin is connected. (If you don't, there currently isn't a lot of error checking, but strange things will probably happen). Also the theora encoder has a quirk. You have to set it's options after the input pin is connected, but before the output pin is connected. The other encoders can be done before or after the output pin is connected. That will be fixed soon. Next to be fixed is the output pin interfaces on the encoders, so they can chain back into their decoders, and some improvements to the muxer. Zen.