https://arstechnica.com/gadgets/2021/09/apples-ar-headset-will-leave-a-lot-of-the-hard-work-to-the-iphone/

Apple's long-rumored mixed reality headset will require an iPhone within wireless range to function for at least some apps and experiences, according to a new report in The Information.

The Information's sources say that Apple completed work on the system-on-a-chip (SoC) for the headset "last year" and that the physical designs for that and two other chips intended for the device have been completed. Apple has also finishing designing the device's display driver and image sensor.