How to upgrade to Expo SDK 56

Expo SDK 56 introduces compatibility with React Native 0.85 and React 19.2, along with support for Android API level 36 and Xcode 26.4, while maintaining compatibility with Android 7+ and iOS 16.4+. This release includes prebuilt XCFrameworks for iOS to enhance build speed and introduces Hermes bytecode diffing by default to optimize updates. The update process is supported by tools like Claude Code and Expo MCP, which assist in handling upgrades and troubleshooting. Developers are encouraged to transition from Expo Go to development builds for a more accurate reflection of production apps, as Expo Go's limitations might not fully represent an app's configuration. The SDK emphasizes the importance of upgrading to the New Architecture, as SDK 54 was the last to support the Old Architecture, with advice provided to manage the transition smoothly. The Expo team highlights the community's role in the upgrade process, urging users to leverage resources such as detailed documentation, troubleshooting guides, and collaborative platforms for support and feedback.

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