80 parse video stream frames 78 python-3.9 support 77 change audio sampling rate in concat 75 fix buffering large lines from ffmpeg 73 concat and overlay stream validation 64 fix cloning filters with params with init=False
3.1.0
61 Validate hardware placement and stream kind in filter graph
3.0.0
Breaking changes: 60 Refactor shell wrapper
2.3.2
59 use environment markers for backported requirements