macOS Sequoia 15.5 Release Notes
Update your apps to use new features, and test your apps against API changes.
Overview
The macOS 15.5 SDK provides support to develop apps for Mac computers running Sequoia 15.5. The SDK comes bundled with Xcode 16.4, available from the Mac App Store. For information on the compatibility requirements for Xcode 16.4, see Xcode 16.4 Release Notes.
Finder
Resolved Issues
Fixed: Network shares containing large amounts of data are incorrectly enumerated. (148408379)
hvf
Resolved Issues
Fixed: Availability checking is disabled for C APIs in hvf. (148385341)
Pro Display Calibrator
Resolved Issues
Fixed: Customizing display calibration using the Pro Display Calibrator causes a system reboot on 14-inch and 16-inch M4 MacBook Pros. (148038484)
Service Management
Resolved Issues
Fixed an issue preventing apps from registering helper executables on macOS. (147420361) (FB16933413)
StoreKit
Resolved Issues
Fixed: Calling
isEligibleForIntroOffer(for:)will return false if there is no user account signed in. (146119524)