The Oscillate in Rotator (perhaps also as in Translators; haven’t tested yet) is selected and when I make a sequence in Media for animation, the button for oscillate isn’t there anymore and it loops from the start so it looks like it’s jumping to the start.
Were you able to solve this problem? I’m having the same issue.
The solution I found was to open the previous version of Twinmotion, add a “rotator” to the scene, save… And then merge it into the project that is in the latest version. This way Twinmotion loads the “old model” of the rotator.