It's a good advance, but it doesn't work for many of us, because we use advanced players such as HereSphere, Whirligig or Virtual Home Theater.
What we want is to be able to download DRM-free movies and use them with our players, not with R player, which is a simple player. DRM is useless when movies are available for free the next day.
Many of us want to pay for VR movies even if they are available for free, but we need to be able to download without DRM to use them with advanced players that offer more picture quality and more customization options to better suit our eyes. I spend 50-60 euros every month at A Festa VR because they don't use DRM.
On the other hand, there are many people who use VR on Windows and have Windows Mixed Reality, like me. I see It is not supported. I have tryed R Player with WMR and It shows the image, but the controllers don't work.