For informational purposes only, I would like to inform you that Vegasaur can already work with 5 masks simultaneously in the new Motion Track of Vegas Pro 16 Build 261.
The purpose of the video is just to show the feature in action and what you can do with it. I did not do a step-by-step tutorial because it would be too long, but I'll do it soon.
Below is a demonstration of new features in operation.