The characters navigate the level using the built-in Navmesh system, and can jump onto higher platforms using Navlinks setup – also included as part of UE4.

We have a fix for this. We have a new set of customized IK Rigs, Pose Asset, and IK Retargeters for UE5.XX to get best retargeting from stock UE4 Mannequin to the stock UE5 Manny. These tweaked files ...