watchOS 26.5 Release Notes
Update your apps to use new features, and test your apps against API changes.
Overview
The watchOS 26.5 SDK provides support to develop watchOS apps for Apple Watch devices running watchOS 26.5. The SDK comes bundled with Xcode 26.5, available from the Mac App Store. For information on the compatibility requirements for Xcode 26.5, see Xcode 26.5 Release Notes.
StoreKit
Resolved Issues
Fixed: The App Version field in the ASN.1 app receipt might contain the string “null” instead of the expected version number. (171614522) (FB22114908)
Fixed:
Transaction.currentEntitlementsmight be empty if a customer has an active subscription when the device’s system calendar is set to a non-Gregorian format. (173415174)
StoreKit Testing in Xcode
Known Issues
An issue prevents StoreKit Testing in Xcode from observing changes made to subscription prices. (175848494) (FB22647785)
StoreKitTest
Resolved Issues
Fixed: An issue preventing SKTestSession from using the selected StoreKit configuration during unit tests, resulting in failed test actions. (172583218) (FB22237318)