UE 5.1 in GitHub ue5-main and backwards compatibility with 5.0

Hi,

5.0 and ue5-main both compile fine, but chaos vehicle are currently broken on both.
Create a project with the advanced template and it is impossible to properly drive the car.
The car look like working but he fall a little low inside the ground and he is constantly and inexorably sliding to the right.

i dont try a lot other part of chaos in this both builds, i am not a heavy skilled user anyway, and my interest is mostly on the vehicles.