Xcode 12 includes Swift 5.3 and SDKs for iOS 14, iPadOS 14, tvOS 14, watchOS 7, and macOS Big Sur.

Can I use Xcode 11 for iOS 14?

The app hasn’t been upgraded yet and was built with Xcode 11. … Out of the box, older Xcode versions can’t work with iOS 14 at all. However, with some tricks, I could not only run on iOS 14 but also debug with breakpoints and much more.

How do I install Xcode on iOS 14?

Launch Xcode 12. Choose Xcode > Open Developer Tool > Simulator. In the Simulator application, choose File > Open Simulator > iOS 14 > [some simulator].