Couldn't find the frame in the source, but the combi of filters + BasicVSR++ should fix the problem. 
(you can check the Preview to know for sure)

(you can check the Preview to know for sure)
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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.