I’m reading a bit more about it, I really don’t know if WP and streaming are compatible.
I think ‘data layers’ is the replacement for streaming with WP. I have never used them, but it looks like you never switch maps, just layers.
Even if you really had to switch maps, as far as I understand, you can set your new WP map to load empty, and then populate it with layers under blueprint control, while the vid is playing.