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Apple macOS Sequoia (15) Update Version macOS Sequoia 15.2

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Update Summary

macOS Sequoia 15.2 Release Notes describe SDK updates bundled with Xcode 16.2, plus fixes and new APIs for ScreenCaptureKit, SwiftUI, Virtualization, and WidgetKit. The notes also include known issues for NSWritingToolsCoordinator and several Apple Silicon Mac app compatibility fixes.

Update Details

Bug Fixes

  • Fixed linear algebra accuracy issues in *lartg functions, restoring the 3.9.1 implementation.
  • Fixed crashes in iPhone and iPad apps on Apple Silicon Macs when ActivityKit or WidgetKit Live Activities APIs are linked.
  • Fixed crashes in iPhone and iPad apps on Apple Silicon Macs when -[ASAuthorizationController performAutoFillAssistedRequests] is invoked.
  • Fixed a ChatGPT sign-out issue for devices with MDM profiles and anonymous restrictions.
  • Fixed a kernel panic on M4 Macs when running Ruby with YJIT enabled.
  • Fixed NSWritingToolsCoordinator ignoring returned attributed strings and improved enum naming in Swift-style extensions.
  • Fixed Swift 6 @Entry compilation errors related to non-Sendable default values.
  • Improved scrolling performance and reduced CPU usage for ScrollViews and Lists.
  • Fixed dropped directories not being accepted unless UTType.directory or UTType.fileURL were included.
  • Fixed macOS Sequoia 15.2 Beta installation availability in virtual machines.
  • Fixed macOS VM guests running macOS 13.3.1 or earlier failing to boot on M4 host Macs.

New Features

  • ScreenCaptureKit is available for Catalyst apps when built with the macOS 15.2 SDK or later.
  • System picking now shows additional metadata for user-selected content, including display, application, and window details.
  • SwiftUI adds onScrollGeometryChange(for:of:action:) support with List for apps linked against the macOS 15.2 SDK.

Known Issues

  • NSWritingToolsCoordinator only supports synchronous delegate interfaces and expects completion handlers to be invoked without escaping delegate methods.
  • NSWritingToolsCoordinator supports only the first NSWritingToolsCoordinatorContext element, does not support dynamic decorationContainerView, and its optional multi-container delegate methods are never called.

Hints

  • Update apps to use new features and test against API changes.
  • The macOS 15.2 SDK is bundled with Xcode 16.2, available from the Mac App Store.
  • For Xcode 16.2 compatibility requirements, see the Xcode 16.2 Release Notes.
  • ScreenCaptureKit Catalyst support requires the macOS 15.2 SDK or later.

Product Information

Vendor: Apple

Product: macOS

Product type: Software

Platform: macOS

Variant: Sequoia (15)

Version: macOS Sequoia 15.2

Vendor release date: Dec 11, 2024

Original release notes: View on vendor site

Published on updatealert.io: Jun 3, 2026

Description: Desktop operating system for Apple Mac devices.

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