# Xcode 26.6 Release Notes Update your apps to use new features, and test your apps against API changes. ## Overview Xcode 26.6 includes Swift 6.3 and SDKs for iOS 26.5, iPadOS 26.5, tvOS 26.5, watchOS 26.5, macOS 26.5, and visionOS 26.5. Xcode 26.6 supports on-device debugging in iOS 15 and later, tvOS 15 and later, watchOS 8 and later, and visionOS. Xcode 26.6 requires a Mac running macOS Tahoe 26.2 or later. ### Coding Intelligence #### New Features - Google Gemini is now available in the coding assistant. (171990272) - Xcode adds support for the Agent Client protocol. (178294840) - The Preview Snapshot MCP tool can now render variants such as light/dark appearance, portrait/landscape orientation, and various type size overrides. (178831772) #### Resolved Issues - Fixed an issue where the buttons in the Coding Tools popovers would not work. (168956652) - Fixed a crash when closing a window during an active agent turn. (174186260) - Fixed a crash during agent file operations involving non-absolute paths. (174752919) - Fixed: Buttons in the Coding Assistant’s prompt area now use more accessible labels and descriptions. (177462284) - Fixed VoiceOver getting trapped in the Coding Assistant prompt area. (177462397) - Fixed: Buttons in the Coding Assistant’s prompt area now use more accessible labels and descriptions. (177462492) - Fixed a bug that could cause Xcode to hang indefinitely when an agent asked the user a question. (177989242) - Fixed: If a deep link targeting the new beta is invoked on a system where an older version is set as the active developer tool, the link will be claimed by the older installation rather than the beta. (179126594) ### Organizer #### New Features - Launch Time similar-app goals have been refined for improved accuracy, establishing new baselines. (177355331) --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)