This just touches the surface of Swift's changes. For more, see the Swift migration guide and the updated The Swift Programming Language manual. Want to play with Swift 5?

Apple touts Swift 5.3's major performance improvements over building apps with its legacy Objective-C language.

Swift 6 programming language focuses on concurrency, Linux and Windows In addition to language enhancements, the programming language brings improvements for connecting platforms beyond Apple's ...

Apple's Swift has far-reaching effects on all platforms, not just iOS, OS X, watchOS and tvOS. Learn why Swift matters, how to use the programming language and how it differs from Objective-C.

Can I use Swift on Windows? You can use Swift on Windows, but the lack of a UI layer that makes the language feel like a second-class citizen. If you want basic systems programming, you write a C# ...