14.08.2017, 21:07
Small correction, problem is not LWLibavSource but LibavSMASHSource, so disabling:
"Filtering->Vapoursynth->misc->Prefer LibavLSMASHSource over LibavSource for mp4/mov" also fixes the problem.
Cu Selur
"Filtering->Vapoursynth->misc->Prefer LibavLSMASHSource over LibavSource for mp4/mov" also fixes the problem.

Cu Selur
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Dev versions are in the 'experimental'-folder of my GoogleDrive, which is linked on the download page.
Dev versions are in the 'experimental'-folder of my GoogleDrive, which is linked on the download page.