Xcode 8.3 is out and that means Swift 3.0 up is the only versions of the language which are supported. Swift 1.x and 2.x are all obsolete.
General Development and iPhone/iPad Developer
Xcode 8.3 is out and that means Swift 3.0 up is the only versions of the language which are supported. Swift 1.x and 2.x are all obsolete.