macOS Tahoe 26.3 Release Notes
Update your apps to use new features, and test your apps against API changes.
Overview
The macOS 26.2 SDK provides support to develop apps for Mac computers running Tahoe 26.3. The SDK comes bundled with Xcode 26.2, available from the Mac App Store. For information on the compatibility requirements for Xcode 26.2, see Xcode 26.2 Release Notes.
AppKit
Known Issues
Window resize pointer does not follow the window’s corner shape. (149726089)
StoreKit
Resolved Issues
Fixed: Product.products(for:) fails silently instead of throwing errors. (165186025) (FB21110809)
Virtualization
Known Issues
On certain hardware configurations, new macOS Tahoe virtual machine installations may boot to a black screen. (169654019)