[GUIDE] VapourSynth + QTGMC Deinterlace + Hybrid UI FAQ for macOS

[shijan]

Seems something was changed or broken in MKVToolNix 50. It gives error "muxing crashed: Crashed with exit status 1"
Do not update to MKVToolNix 50 inside Hybrid app contents.

MKVToolNix 49 and earlier works well.