Apple releases iOS 27, macOS Golden Gate 27 with Siri AI and Liquid Glass refinements

As previously announced, Apple has today released 2026's major annual updates for its operating systems, including iOS 27, macOS 27 Golden Gate, watchOS 27, visionOS 27, and tvOS 27. Siri AI—a large language model-based and context-aware overhaul of the company's Siri voice and text assistant—is the flagship feature across all these releases except one (tvOS).