With Frame Extrapolation enabled, Move Triggers that are set to lock to Camera X will be offset by a (sometimes random) amount.
Here you can see how it affects the custom background in a level I'm building:
https://drive.google.com/file/d/1nFe6HdOfTxV4tmriIlba5G_sTtdoM6sr/view?usp=sharing
This also affects rated levels, such as ATOMIC CANNON Mk III by LIEB, show below;
Without Frame Extrapolation:

With Frame Extrapolation:
