Overview
- Apple seeded eighth developer betas on Monday for iOS 27, iPadOS 27, macOS 27 Golden Gate, watchOS 27, tvOS 27 and visionOS 27 and rolled matching public betas for key platforms.
- The 27-series centers on a rebuilt conversational Siri AI and expanded Apple Intelligence that add a dedicated Siri app, Visual Intelligence for onscreen awareness, and a systemwide Write with Siri tool.
- watchOS 27 beta 8 includes a Dynamic app grid that highlights Siri‑suggested apps, a unified Find My app, an iPhone‑independent Workout Buddy, and framework work required to run Siri AI on supported watches.
- Apple published exact build identifiers for the beta wave and issued unusual third Release Candidates for older macOS branches after reports that an earlier Tahoe RC exposed references to unannounced products, which Apple appears to be patching.
- Release Candidates and a broad public launch are expected in the weeks after Apple’s September event, and Apple is narrowing advanced AI features to newer chips and selected regions while advising testers to install betas on secondary devices.