Earlier stories have painted varying pictures of what Apple is working on. Rumors from 2018 suggested it could be a powerful AR/VR device with 8K displays for each eye, but more recent reports have hinted the headset could be dependent on an iPhone.
Whatever the plans may be, more than one source has claimed that the headset could be available as soon as 2020. If so, the iOS 13 references would make sense. In this time frame, Apple would have just months to solidify the design and put it into production — prototypes would be virtually necessary at this stage.
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