As it originally announced back in July, Apple has confirmed that it plans to release Swift 3.1 sometime during the Spring of 2017. Following the Swift 3.1 release, focus will shift to Swift 4.
Swift 3.1 is intended to be released in the spring of 2017.
Swift 3.1 is slated to be source compatible with Swift 3.0, with improvements focusing on a additive enhancements to the core language, improvements to the Swift Package Manager, Swift on Linux, and general quality improvements.
Major changes will conclude around January 16th for Swift 3.1, after which will be the “bake” period where “only select, critical fixes” will be applied. It’s around that date the focus will turn to Swift 4.
Swift, of course is Apple’s open source programming language for iOS, macOS, tvOS, watchOS, and Linux. The first version of the language was released in 2014, while Apple released Swift 3.0 back in September alongside the launch of the latest version of Apple’s operating systems.
More details concerning the launch of Swift 3.1 can be found on Apple’s Swift blog.
