15.5
What's New
iOS 15.5 delivers significant improvements to in-app purchases through StoreKit 2 enhancements including subscription offer support and expanded testing tools. Developer experience improvements include HealthKit async/await support, enhanced animation performance on ProMotion displays, and new PassKit payment network preferences. The release also expands cross-device capabilities with passkey technology preview and SharePlay session initiation APIs.
Highlights
- PassKit now supports payment network preference ordering via PKPaymentRequest.supportedNetworks
- Passkey technology preview enables cross-device sign-in between iPhone, iPad, and Mac
- HealthKit query APIs now support async/await syntax for simplified callback handling
- StoreKit 2 enables subscription offer purchases and adds comprehensive testing capabilities
- GameController supports new DualSense adaptive trigger firmware features
- UIView animations run up to 120 Hz on ProMotion displays
- SharePlay API allows in-app UI for initiating group activities sessions
Breaking Changes
- Some std::tuple extensions removed in C++20/C++23 to fix bugs
- Emergency SOS Call with 5 Presses disabled outside India due to unintended defaults