[ffmpeg/f31] (5 commits) ...Merge branch 'f32' into f31
Summary of changes:
23d70ba... fixup vmaf needs version3 (*)
68146d4... Enable vapoursynth (*)
ebf0ebb... Merge branch 'f32' into f31
bd85a43... Update changelog (*)
8cf0805... Merge branch 'f32' into f31
(*) This commit already existed in another branch; no separate mail sent