Code:
# Version 3.4 : 2022/11/24. New feature: "Greyscale" parameter, affects positive "Analyze", "Deblend", "Inpaint"...
# Up to ~60% speed-up when enabled.
# Prevents chroma changes on the greyscale videos by deblend [side effect of "3.1" fix].
# FFT3DFilter replaced by Neo_FFT3D, up to ~20% speed-up.