One of the main issues with RW Cameras: currently there is no way to link a viewport to a Design Layer camera.   WHAT CURRENTLY HAPPENS: You place a RW camera on a design layer and adjust it to the preferred POV. If you have the camera Activated when you create a Sheet Layer viewport, the camera is removed from the Design Layer and becomes embedded in the new viewport. If you don’t have the camera Activated, the RW Camera remains on the Design Layer and the viewport is created wit