The Replay Editor shows the flip tricks of other skaters differently than your own flip tricks. Normally only happens with the more complicated flip tricks. 360 Flips Laser Flips 360 Inward Heel...
Ideas
I can confirm this is happening to me and my friends as well, both on PC and console.
The same issue occurs with held flips.
For example, with a double flip: the first flip looks fine, but the second one looks like it's rewinding.