Apple opens Siri AI to all developers in the iOS 27.3 beta

The iOS 27.3 developer preview lets any app expose content and custom actions to Siri AI, with App Store submissions opening in spring.

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Primary source: developer.apple.com

Why it matters

Siri AI becomes a possible front door to third-party apps: users can find app content and trigger app actions by asking, so developers who expose the right actions early can be present before a customer ever opens the app. Apple has set the build window before spring App Store submissions.

A hand holds a smartphone with a glowing multicolor orb, surrounded by mail, message, music, photo, weather and list icons; a laptop and mug marked “Rv” sit nearby.

Apple opened Siri AI to every app developer on November 3rd, 2026, releasing a developer preview that lets third-party apps expose their content and custom actions through App Intents. The preview arrived with the iOS 27.3, iPadOS 27.3, macOS 27.3, and visionOS 27.3 betas.…

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