- scale_cuda CUDA based video scale filter
- librsvg support for svg rasterization
- crossfeed audio filter
+- spec compliant VP9 muxing support in MP4
+- remove the libnut muxer/demuxer wrappers
+- remove the libschroedinger encoder/decoder wrappers
+- surround audio filter
version 3.3:
- CrystalHD decoder moved to new decode API