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MacRumors reports watchOS 27 and iOS 27 code pointing to a Readiness app, richer strength workouts, sensing changes, and possible 128GB storage for upcoming Apple Watch models. These are beta references, not confirmed features.
Code references in Apple’s watchOS 27 and iOS 27 betas point to several unreleased Apple Watch features tied to the expected Series 12 and Ultra 4, according to a MacRumors report summarizing findings from forum member pdfu.
These are software and hardware strings in pre-release builds, not an Apple announcement. Features found in betas can change or never ship.
MacRumors reports four clusters of references:
Bloomberg’s Mark Gurman has separately reported that the Series 12 and Ultra 4 are expected to emphasize health and fitness improvements without a major redesign — consistent with earlier Series 12 rumor coverage. That reporting supports the direction of the code findings but does not confirm any single feature.
Treat the list as possible upcoming capabilities, not confirmed Series 12 or Ultra 4 specs. Apple’s September 9 event is the confirmation layer for what actually ships.