- IMM5 video decoder
- ZeroMQ protocol
- support Sipro ACELP.KELVIN decoding
+- streamhash muxer
+- sierpinski video source
+- scroll video filter
+- photosensitivity filter
+- anlms filter
+- arnndn filter
+- bilateral filter
+- maskedmin and maskedmax filters
+- VDPAU VP9 hwaccel
+- median filter
+- QSV-accelerated VP9 encoding
+- AV1 encoding support via librav1e
+- AV1 frame merge bitstream filter
+- AV1 Annex B demuxer
+- axcorrelate filter
+- mvdv decoder
+- mvha decoder
version 4.2: