Popular open-source DVD to MPEG-4 converter Handbrake has been updated to version 0.9.2, adding support for Dolby Digital 5.1 (AC3) surround sound in MP4 files and iPhone-compatible anamorphic video. In addition, it includes multi-track audio support, more flexible anamorphic video, dynamic range compression for encoding from AC3 audio, numerous bug fixes, and more. Handbrake 0.9.2 is available as a free download for Mac OS X (10.5 Leopard required), Windows, and Linux.