I work on a project on UE4.26 with WheeledVehicle and in 4.26 all my components worked correctly. But after changing the project version to 4.26-Chaos, the cars stopped responding to control, although I get input events. Why would there be this problem?
Setting up chaos vehicle requiers multiple steps, which may be different from WheeledVehicle.
Check this tutorial, and pay attention specificallt for torque curve
