I think that the weather-radar has been prepared to get the 3D-return (Tilt etc.) as soon as the API will be available. For now the return seems to work only when we use a tilt of -2. So I don’t think we have to expect anything more before they can finish the full implementation that will only make sense when Laminar makes the data available (shouldn’t be too long now…was initially …
https://forums.x-plane.org/forums/topic/326780-weather-radar-not-fuctional-xplane-12/