Meta Portal owners can now use their devices as a second screen for PCs and Macs

Portal, the beleaguered brand of smart displays released in 2018 by Meta (then Facebook), is reportedly slated for a phase-out as the company refocuses the product line on the enterprise. Ahead of the transition, Meta is releasing new features — perhaps some of the last for current owners, as the case may be — that turn Portal displays into a second screen for PCs and bring the video calling experience to Macs.
Select Portal devices (specifically the second-gen Portal Plus and Portal