iOS & iPadOS 18.3 Release Notes
Update your apps to use new features, and test your apps against API changes.
Overview
The iOS & iPadOS 18.2 SDK provides support to develop apps for iPhone and iPad running iOS & iPadOS 18.3. The SDK comes bundled with Xcode 16.2, available from the Mac App Store. For information on the compatibility requirements for Xcode 16.2, see Xcode 16.2 Release Notes.
Apple Intelligence
New Features
For users new or upgrading to iOS 18.3, Apple Intelligence will be enabled automatically during iPhone onboarding. Users will have access to Apple Intelligence features after setting up their devices. To disable Apple Intelligence, users will need to navigate to the Apple Intelligence & Siri Settings pane and turn off the Apple Intelligence toggle. This will disable Apple Intelligence features on their device. (141646604)
Genmoji
Resolved Issues
Fixed: A personalized Genmoji might not generate without selecting a different person first. (139676076)
HealthKit
Resolved Issues
Fixed: HealthKit authorization granted by the user for a data type might not persist, resulting in the app being unable to access data and potentially prompting the user again for authorization. (134678955) (FB14923881)
Writing Tools
Resolved Issues
Fixed: For third-party apps adopting Writing Tools API on iOS, if the first responder is not a UIView, it will not be able to use the complete inline experience. (139833232)