releases are sorted from youngest to oldest.
version <next>:
+- aliases and defaults for Ogg subtypes (opus, spx)
+- HEVC/H.265 RTP payload format (draft v6) packetizer and depacketizer
+- avplay now exits by default at the end of playback
+- XCB-based screen-grabber
+- creating DASH compatible fragmented MP4, MPEG-DASH segmenting muxer
+- H.261 RTP payload format (RFC 4587) depacketizer and experimental packetizer
+- RTP/mpegts muxer
+- VP8 in Ogg demuxing
+- OpenH264 encoder wrapper
+- Support DNx100 (960x720@8)
+- DXVA2-accelerated HEVC decoding
+- AAC ELD 480 decoding
+- Intel QSV-accelerated H.264 decoding
+- DSS SP decoder and DSS demuxer
+- RTP depacketizer for AC3 payload format (RFC 4184)
+- RTP depacketizer for loss tolerant payload format for MP3 audio (RFC 5219)
+- RTP depacketizer for DV (RFC 6469)
+- Canopus HQX decoder
+
+
+version 11:
- libx265 encoder
- shuffleplanes filter
- replaygain data export
- Alias PIX image encoder and decoder
- BRender PIX image decoder
+- Amazing Studio PAF playback support
+- 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
+- Icecast protocol
+- request Icecast metadata by default
+- support for using metadata in stream specifiers in avtools
+- Matroska 3D support
version 10: