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iOS 27, Xcode 27.1 beta, and macOS Tahoe 26.6: what Duo developers need to know

A practical rundown of the current developer beta stack for iPhone Duo: what's new in iOS 27 for dual-screen apps, what Xcode 27.1 beta requires, and why macOS Tahoe 26.6 matters for your build machine.

Sep 21, 2026