Apple releases iPhone Duo simulator and Xcode 27.1 beta
Apple has unveiled the iPhone Duo simulator, a new tool that lets developers test dual‑screen experiences, and announced Xcode 27.1 beta, which adds support for the latest iOS features and performance improvements. The simulator enables testing of apps on two iPhones side‑by‑side, while Xcode 27.1 includes updated debugging tools, Swift enhancements, and compatibility fixes for recent macOS releases.