Apple has reshuffled how it builds iOS 28 and macOS 28 — not by adding features, but by stretching out the early design phase and compressing integration time. The shift is internal, unannounced, and entirely about rhythm: six weeks of coding and exploration, then just two weeks to converge features into a working build.
That’s a departure from the usual eight-week cycle split evenly, four weeks coding, four weeks convergence. Bloomberg’s Mark Gurman reported the change in his Power On newsletter Friday. MacRumors confirmed it. Engineers reportedly prefer it.
More time to experiment. Less pressure to lock down half-baked ideas before they’ve been stress-tested. No new features were named. No hardware dependencies cited.



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