Swift.org Website is Now Open Source
The Swift.org site has long served as the hub where developers come together to work on the open source Swift compiler, libraries, and tools. Today, we are happy to announce that the Swift.org website itself is also an open source project, ready for community contributions. With this move, the website is also expanding its mandate to better support the entire community of Swift users, not just con
Introducing Swift Distributed Actors
We’re thrilled to announce a new open-source package for the Swift on Server ecosystem, Swift Distributed Actors, a complete server-oriented cluster library for the upcoming distributed actor language feature! This library provides a complete solution for using distributed actors in server use-cases. By open-sourcing this project early, alongside the ongoing work on the language feature, we hope t
Announcing Swift Algorithms
I’m excited to announce Swift Algorithms, a new open-source package of sequence and collection algorithms, along with their related types. Algorithms are powerful tools for thought because they encapsulate difficult-to-read and error-prone raw loops. The Algorithms package includes a host of powerful, generic algorithms frequently found in other popular programming languages. We hope this new pack
Introducing Swift on Windows
The Swift project is introducing new downloadable Swift toolchain images for Windows! These images contain development components needed to build and run Swift code on Windows. For over a year now, there has been a significant endeavour to port Swift to Windows in conjunction with the developer community at swift.org. The Windows support is now at a point where early adopters can start using Swift
Swift.org - Swift 5.2 Released!
Ted Kremenek is a member of the Swift Core Team and manages the Languages and Runtimes group at Apple. Swift 5.2 is now officially released! 🎉 This release focuses on improving the developer experience: Improved compiler diagnostics (errors and warnings) and code completion Increased reliability in debugging Improved handling of dependencies in the Swift Package Manager Tooling improvements with
Swift.org - Swift 5.1 Released!
Ted Kremenek is a member of the Swift Core Team and manages the Languages and Runtimes group at Apple. Swift 5.1 is now officially released! Swift 5.1 builds on the strengths of Swift 5 by extending the stable features of the language to compile time with the introduction of module stability. With module stability it’s now possible to create and share binary frameworks that will work with future r
Swift 5 Released!
Ted Kremenek is a member of the Swift Core Team and manages the Languages and Runtimes group at Apple. Swift 5 is now officially released! Swift 5 is a major milestone in the evolution of the language. Thanks to ABI stability, the Swift runtime is now included in current and future versions of Apple’s platform operating systems: macOS, iOS, tvOS and watchOS. Swift 5 also introduces new capabilitie
Swift.org - Swift 5.1 Release Process
Ted Kremenek is a member of the Swift Core Team and manages the Languages and Runtimes group at Apple. This post describes the goals, release process, and estimated schedule for Swift 5.1. Motivation and Goals The primary goal of Swift 5.1 is for the language to achieve module stability. Binary Compatibility On Apple platforms, since the ABI is now stabilized, Swift 5.1 is binary compatible with S
Swift 4.2 Released!
Ted Kremenek is a member of the Swift Core Team and manages the Languages and Runtimes group at Apple. Swift 4.2 is now officially released! Swift 4.2 builds on the strengths of Swift 4, delivering faster compile times, improving the debugging experience, updating the standard library, and converging on binary compatibility. You can watch a quick overview of it by watching the WWDC 2018: What’s Ne
Reimplementation of Implicitly Unwrapped Optionals
A new implementation of implicitly unwrapped optionals (IUOs) landed in the Swift compiler earlier this year and is available to try in recent Swift snapshots. This completes the implementation of SE-0054 - Abolish ImplicitlyUnwrappedOptional Type. This is an important change to the language that eliminated some inconsistencies in type checking and clarified the rule of how these values are to be
Swift 4.1 Released!
Ted Kremenek is a member of the Swift Core Team and manages the Languages and Runtimes group at Apple. Swift 4.1 is now officially released! It contains updates to the core language, including more support for generics, new build options, as well as minor enhancements to Swift Package Manager and Foundation. There was also significant progress made in stabilizing the ABI. Doug Gregor and Ben Cohen
Swift 4.1 Release Process
Ted Kremenek is a member of the Swift Core Team and manages the Languages and Runtimes group at Apple. This post describes the goals, release process, and estimated schedule for Swift 4.1. Swift 4.1 is a source compatible update to Swift 4.0. It will contain a few additive enhancements to the core language as well as improvements to the Swift Package Manager, Swift on Linux, and general quality im
Dictionary and Set Improvements in Swift 4.0
Nate Cook is a member of the Swift standard library team at Apple. In the latest release of Swift, dictionaries and sets gain a number of new methods and initializers that make common tasks easier than ever. Operations like grouping, filtering, and transforming values can now be performed in a single step, letting you write more expressive and efficient code. This post explores these new transform
Swift 4.0 Released!
Ted Kremenek is a member of the Swift Core Team and manages the Languages and Runtimes group at Apple. Swift 4 is now officially released! Swift 4 builds on the strengths of Swift 3, delivering greater robustness and stability, providing source code compatibility with Swift 3, making improvements to the standard library, and adding features like archival and serialization. You can watch a quick ov
Swift Local Refactoring
Xcode 9 includes a brand new refactoring engine. It can transform code locally within a single Swift source file, or globally, such as renaming a method or property that occurs in multiple files and even different languages. The logic behind local refactorings is implemented entirely in the compiler and SourceKit, and is now open source in the swift repository. Therefore, any Swift enthusiast can
Swift.org - Migrating to Swift 4
Xcode 10.2 comes with a Swift Migrator tool that helps you migrate your project to Swift 5. For the previous release’s Migration Guide, see Migrating to Swift 4.2. Pre-Migration Preparation Make sure that the project that you intend to migrate builds successfully in Swift 4 or Swift 4.2 mode, and all its tests pass. You may need to resolve errors initially due to compiler changes. It’s highly reco
Swift Source Compatibility Test Suite Now Available
We are pleased to announce the release of a new Swift source compatibility test suite as part of the effort to maintain source compatibility in future Swift releases. The source compatibility test suite is community driven, meaning open source project owners can submit their projects for inclusion in the suite. Instructions for adding open source projects to the test suite can be found in the Swif
Swift 3.1 Released!
March 27, 2017 Swift 3.1 is now officially released! Swift 3.1 is a minor release that contains improvements and refinements to the Standard Library. Thanks to efforts by IBM and other members of the community, it also includes many updates to the Linux implementation of Swift. There are also a number of updates to Swift Package Manager. Language Updates Swift 3.1 is a minor language release. It i
Swift 3.1 Release Process
Ted Kremenek is a member of the Swift Core Team and manages the Languages and Runtimes group at Apple. This post describes the goals, release process, and estimated schedule for Swift 3.1. Swift 3.1 is intended to be source compatible with Swift 3.0. It will contain a few additive enhancements to the core language as well as improvements to the Swift Package Manager, Swift on Linux, and general qu
Whole-Module Optimization in Swift 3
Erik Eckstein is member of the Swift team at Apple. He has worked on various aspects of the Swift compiler's optimization pipeline. Whole-module optimization is an optimization mode of the Swift compiler. The performance win of whole-module optimization heavily depends on the project, but it can be up to two or even five times. Whole-module optimization can be enabled with the -whole-module-optimi
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