Xcode for macOS (Beta) 27.1 (Build 27A9269)

公開 2026-09-18 · 2026-09-29

Overview Xcode 27.1 includes Swift 6.4 and SDKs for iOS 27.1, iPadOS 27, tvOS 27, watchOS 27, macOS 27, and visionOS 27. Xcode 27.1 supports on-device debugging in iOS 17 and later, tvOS 17 and later, watchOS 10 and later, and visionOS. Xcode 27.1 requires a Mac running macOS Tahoe 26.6 or later. See to learn more about compatible platforms and deployment targets. Mac Catalyst Known Issues Projects that use APIs specific to iOS 27.1 show compile errors when building for Mac Catalyst (“undeclared…developer.apple.com

公式のリリース情報 · Xcode for macOS (Beta) の履歴 · Xcode まとめ