Preview bug seems solved in the new Alpha (at least on Mac) - so you might want to try that:
https://community.topazlabs.com/t/topaz-video-ai-alpha-v3-4-0-1-a/49436/10
Preview bug seems solved in the new Alpha (at least on Mac) - so you might want to try that:
https://community.topazlabs.com/t/topaz-video-ai-alpha-v3-4-0-1-a/49436/10