- NVDEC AV1 hwaccel
- DXVA2/D3D11VA hardware accelerated AV1 decoding
- speechnorm filter
+- SpeedHQ encoder
+- asupercut filter
+- asubcut filter
+- Microsoft Paint (MSP) version 2 decoder
+- Microsoft Paint (MSP) demuxer
+- AV1 monochrome encoding support via libaom >= 2.0.1
version 4.3: