Hi kerrliam3,
yes, unfortunately, we don't support YOLO OBB models at the moment. It is definitely planned to do so in the future, but we don't have an exact date yet.
If you need to use OBB models now, I'd suggest to you to convert the model to .blob, use NeuralNetwork node and process the output on host (check this and this). For converting a .pt model to an ONNX model file of YOLOv8 and 11, you can our tools-cli, though please be aware, that we slightly edited the OBB Head by pruning some operations, so these operations would need to be added to the post-processing on host.
Kind regards,
Jan