• speed 0 is now up to 3x faster with no quality loss due to new early-exit implementation
  • support for writing keyframe locations to a file for chunked encoders
  • initial threading support (motion estimation only)
  • tweaked quantizer modulation for better quality
  • one-pass rate control
  • 10% faster at speeds 3 and above due to addition of diamond me
  • preparations for fast 8-bit mode


  • bugfixes for HDR and colorspace obus (#977)