Xcode 13 beta 4 - RealityKit issue Using Xcode Augmented Reality App template in Xcode 13 beta 4 (13A5201i) Building on simulator or iOS device gives following Swift Complier Error Version for 'MacCatalyst' already specified arm64-apple-ios.swiftinterface Developer Tools & Services Xcode Xcode Beta RealityKit 5 0 1.1k Jul ’21