I've seen the Multiview feature on tvOS that displays a small grid icon when available. However, I only see this functionality in VisionOS using the AVMultiviewManager. Does a different name refer to this feature on tvOS?
Relevant Links: https://www.reddit.com/r/appletv/comments/12opy5f/handson_with_the_new_multiview_split_screen/
https://www.pocket-lint.com/how-to-use-multiview-apple-tv/#:~:text=You'll%20see%20a%20grid,running%20at%20the%20same%20time.