Was at Oculus post acquisition and can say that the whole XROS was an annoyance and distraction the core technology teams didn’t need. There were so many issues with multiple tech stacks that needed fixing first.
Mind you, this XROS idea came after Oculus reorged into FB proper. It felt to me like there were FB teams (or individuals) that wanted get on the ARVR train. Carmack was absolutely right, and after the reorg his influence slowly waned for the worse.
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