when transcoding with ffmpeg (i.e. not streamcopying), -ss is now accurate even when used as an input option. Previous behavior can be restored with the -noaccurate_seek option.
ffmpeg -t option can now be used for inputs, to limit the duration of data read from an input file
incomplete Voxware MetaSound decoder
read EXIF metadata from JPEG
DVB teletext decoder
phase filter ported from libmpcodecs
w3fdif filter
Opus support in Matroska
FFV1 version 1.3 is stable and no longer experimental
FFV1: YUVA(444,422,420) 9, 10 and 16 bit support
changed DTS stream id in lavf mpeg ps muxer from 0x8a to 0x88, to be more consistent with other muxers.
adelay filter
pullup filter ported from libmpcodecs
ffprobe -read_intervals option
Lossless and alpha support for WebP decoder
Error Resilient AAC syntax (ER AAC LC) decoding
Low Delay AAC (ER AAC LD) decoding
mux chapters in ASF files
SFTP protocol (via libssh)
libx264: add ability to encode in YUVJ422P and YUVJ444P
Fraps: use BT.709 colorspace by default for yuv, as reference fraps decoder does
make decoding alpha optional for prores, ffv1 and vp6 by setting the skip_alpha flag.