Xcode 27.1 is out with Swift 6.4, but the iPhone Duo simulator has limits

Apple released Xcode 27.1, build 27A9275, on October 15, 2026, with Swift 6.4 and the SDK for iOS 27.1. According to Apple’s release notes, it requires a Mac running macOS Tahoe 26.6 or later, and App Store Connect began accepting apps built with it the same day. Apple's release notes say StandBy and most app extensions are unavailable in the... Weiterlesen: Xcode 27.1 is out with Swift 6.4, but the iPhone Duo simulator has li…