- TiVo ty/ty+ demuxer
- Intel QSV-accelerated MJPEG encoding
- PCE support for extended channel layouts in the AAC encoder
-- native aptX encoder and decoder
-- Raw aptX muxer and demuxer
+- native aptX and aptX HD encoder and decoder
+- Raw aptX and aptX HD muxer and demuxer
- NVIDIA NVDEC-accelerated H.264, HEVC, MPEG-1/2/4, VC1, VP8/9 hwaccel decoding
- Intel QSV-accelerated overlay filter
- mcompand audio filter
- video fillborders filter
- video setrange filter
- nsp demuxer
+- support LibreSSL (via libtls)
+- AVX-512/ZMM support added
+- Dropped support for building for Windows XP. The minimum supported Windows
+ version is Windows Vista.
+- deconvolve video filter
+- entropy video filter
+- hilbert audio filter source
+- aiir audio filter
+- aiff: add support for CD-ROM XA ADPCM
+- Removed the ffserver program
+- Removed the ffmenc and ffmdec muxer and demuxer
+- VideoToolbox HEVC encoder and hwaccel
+- VAAPI-accelerated ProcAmp (color balance), denoise and sharpness filters
version 3.4: