If you encounter this problem, please contact us. We're investigating possible causes of the issue.
Possible solution 1
Make sure "Global FX Mute" setting is off. Here is where to find it:
Possible solution 2
We are aware of an issue where transitions, with combination with other motion graphic clips or adjustments, do not animate as they should. You should be able to nest your other graphic elements to make it work. You can either nest your other graphics or nest the transition with your main footage, here is a gif showcasing different nesting approaches: