Release Notes: Improved low bitrate quality and VBV support. Rate-Distortion mode decision for bvops. New post-processing functions: brightness and deringing. New ports: PowerPC and AMD-64. Various decoder and encoder speedups. A few bugs have been squashed.
Release Notes: This beta release has an API that is very close to the 1.0.x branch, with only few changes. The library can still be used with client applications based on 1.0.x.