VTK  9.1.0

OpenVR → Core Relation

File in Rendering/OpenVRIncludes file in Rendering/Core
vtkOpenVRInteractorStyle.hvtkInteractorStyle3D.h
vtkOpenVROverlayInternal.hvtkInteractorStyle3D.h
vtkOpenVROverlayInternal.hvtkRenderWindowInteractor.h
vtkOpenVRRenderWindowInteractor.hvtkRenderWindowInteractor3D.h