+- XBM decoder
+- bmp standalone parser
+- OpenEXR image decoder
+- support encoding and decoding 4-channel SGI images
+- support decoding 16-bit RLE SGI images
+- VP7 video decoder
+- LucasArts SMUSH SANM video decoder
+- LucasArts SMUSH VIMA audio decoder (ADPCM)
+- LucasArts SMUSH demuxer
+- MP2 encoding via TwoLAME
+- asettb filter
+- Silicon Graphics RLE 8-bit video decoder
+- Silicon Graphics Motion Video Compressor 1 & 2 decoder
+- Silicon Graphics Movie demuxer
+- On2 AVC (Audio for Video) decoder
+- support for decoding through DXVA2 in avconv
+- libbs2b-based stereo-to-binaural audio filter
+- native Opus decoder
+- display matrix export and rotation api
+- drop avserver, it was unmaintained for years and largely broken