Here it says that 11.1 includes support for "AirPods Max", including "Spatial audio with dynamic head tracking for a theater-like listening experience."
www.macrumors.com
But I've tried some Apple Original content on the TV app on my iMac with AirPods Pro in, and can't hear it. It seems odd that Apple would enable it for the AirPods Max but not the Pro.
Has anyone else gotten this to work, with either AirPods model?
Thanks!

Apple Releases macOS Big Sur 11.1 With AirPods Max Support and Mac App Store Privacy Labels
Apple today released macOS Big Sur 11.1, the first major update to the initial macOS Big Sur 11.0.1 operating system version that was released on...

But I've tried some Apple Original content on the TV app on my iMac with AirPods Pro in, and can't hear it. It seems odd that Apple would enable it for the AirPods Max but not the Pro.
Has anyone else gotten this to work, with either AirPods model?
Thanks!