Xcode 15 includes Swift 5.9 and SDKs for iOS 17, iPadOS 17, tvOS 17, watchOS 10, and macOS Sonoma.

• Swift macro support brings inline expansions and breakpoint debugging in the source editor
• Git staging helps craft your next commit without leaving your code
• String catalogs streamline localization with a single place to view and edit strings
• Bookmarks help organize your favorite locations and searches in your projects
• Test reports provide summary view, testing insights, and video playback for UI automation results
• OSLog offers a structured and customizable logging mechanism in the debug console
• Documentation Preview editor brings real-time preview for DocC content
• Archive workflows streamline distribution with simplified export and upload to TestFlight and the App Store