Welcome to Lowpass, a newsletter about AR, VR, streaming and more. This week: A new Roku patent hints at plans to take ads beyond its own devices, and web-based VR lands on the Vision Pro.This week’s Lowpass newsletter is free for all subscribers; next week’s lead story will only go out to paying members. Upgrade now to not miss it.Your Roku TV may one day show ads when you pause video on your Apple TV Roku is exploring ways to show consumers ads on its TVs even when they are not using its strea...