I have, Unifi makes their new cameras so that they don't respond to BI Inspect. I am actually not getting a stream directly from the camera, but from the Unifi Cloud Key (which is the IP address I am using for RTSP). They make it so that their newer cameras no longer have standalone mode, but...
We moving our cameras to a Blue Iris system, and we have a Unifi UVC-G4-PTZ camera we have got streaming over RTSP into the system. Blue Iris has a custom HTTP for controlling the Pan-tilt-zoom in the camera, but I cannot determine the correct commands to get the BI controller to pan the camera...