iOS 27 brought a major update to the App Intents framework in WWDC26's Session 345: new APIs like LongRunningIntent , CancellableIntent , EntityCollection , and SyncableEntity now make Siri integrations both more resilient and consistent across devices. In this guide I walk through iOS 27 App Intents LongRunningIntent SyncableEntity Siri integration, drawing on WWDC26 Session 345 and Apple's official API documentation, showing what actually changed as of the beta period (June 2026).

💡 Pro Tip: When migrating an existing AppIntent to LongRunningIntent , first wrap your perform() body in a performBackgroundTask block — testing that refactor on its own before adding the protocol makes it much easier to tell which error came from which change.

Why App Intents matters again on iOS 27

The core promise of App Intents hasn't changed: making your app's content and actions discoverable for system experiences like Apple Intelligence, Siri, Spotlight, Shortcuts, and widgets.…