Unreal Engine 4.24 Released!

Are you using SteamVR Input? It’s part of the engine in 4.24 so it might be kicking off unless you’re opting out of it. You’d need to generate manifest + binding and then reload them, here’s a tutorial link from the Valve wiki: Quickstart · ValveSoftware/steamvr_unreal_plugin Wiki · GitHub

Also an important note on how Axis Inputs work with SteamVR Input:

So if you wanted artificial movement with your left controller you’d need

  • MoveLeft_X with a mapping for Vive(L) Trackpad X
  • MoveLeft_Y with a mapping for Vive(L) Trackpad Y