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Update Summary

macOS Tahoe 26.2 release notes for December 12, 2025 cover SDK updates, new RDMA over Thunderbolt and StoreKit APIs, and fixes for AirDrop, Instruments, StoreKit testing, and Virtualization.

Update Details

Bug Fixes

  • AirDrop: Fixed a discoverability issue where devices set to “Everyone” on 26.2 beta 1 were not visible to devices on 26.2 beta 2.
  • Instruments: Fixed Allocations instrument reporting for reference counting operations on native Swift types.
  • StoreKit: Fixed subscription purchase failures when using a win-back offer in StoreKit Testing with Xcode.
  • StoreKit: Fixed SubscriptionStatus.all returning outdated subscription status after a subscription change.
  • Virtualization: Fixed the virtual machine serial number being published as 0, which affected iCloud and related apps.

New Features

  • RDMA over Thunderbolt: Enables low-latency communication between Thunderbolt 5 hosts for use cases such as distributed AI inference using MLX.
  • StoreKit: AppStore.ageRatingCode API provides the current age rating code for an app.

Hints

  • The macOS 26.2 SDK is bundled with Xcode 26.2, available from the Mac App Store.
  • Xcode 16.4 requires macOS Sequoia 15.3 through macOS Tahoe 26.1.
Product Information

Vendor: Apple

Product: macOS

Version: macOS Tahoe 26.2

Release date: Dec 12, 2025