Playback and conversion of Quick-Time Videos is choppy in Version 2019

[wolfgangs56753270]

This problem didn't occur in Version 15.

This looks like a bug in Version 2019. Doesn't it?

[Steve Grisetti]

Quicktime is only an envelope for your files. Quicktime files can be made up of any number of codecs, frame rates and resolutions. It's the codecs, frame rates and resolutions -- and how well your project settings are matched to them -- that determine how the file will perform in the program.