Swift Language
@SwiftLang
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Swift is a general-purpose programming language that's fast, modern, safe, and a joy to write. Designed for all, developed in the open.
Joined May 2014
Swift 5.5 is now officially released! Swift 5.5 is a massive release that includes newly-introduced language capabilities for concurrency, including async/await, structured concurrency, and Actors.
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The Swift for Visual Studio Code extension is out of preview and ready for use. Congratulations to all the contributors!
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Foundation is being rewritten with Swift and will be developed as an open source community effort. @illian explains:
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Introducing Swift on Windows. New toolchain image is available for Windows, downloadable from To learn more:
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A new version of Foundation launched today as an open source project, written in Swift. This project provides a single, cross-platform implementation and shows significant performance improvements.
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Swift 5.1 is now officially released! Learn more about it here:
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Announcing the release of Swift 6! 🎉🎉🎉.🦺Extended memory safety protections.🪟Embedded and cross-platform support.🧪Swift Testing: parameterized, macro-based testing. Read more:
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We're excited to share Swift Collections, a new package focused on extending the set of Swift data structures.
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Swift 5.4 is now released! It includes new language features as well as tooling improvements. Read more about it here:
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We’re excited to announce that “The Swift Programming Language” book has been launched as an open source project using Swift-DocC.
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Swift 5.9 is now available! This is a major new release that introduces macros to Swift, adds bi-directional interoperability with C++, and more. Read the blog post to see what's new.
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Swift is now open source! Read the full launch announcement on the Swift blog
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Use Swift to create serverless functions that run in the cloud. The new Swift AWS Lambda Runtime project is now live. Read more about it here:
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Announcing Swift Async Algorithms, a new open source package providing asynchronous functions for zip(), merge(), debounce(), and more.
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We just announced the Swift Mentorship Program, a new initiative that provides some personal guidance for people who want to start contributing to the language. Learn more here:
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Swift 4.1 was just released! Learn more about what's new:
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Swift 5.8 is now available! This release contains many enhancements including support for hasFeature(), an improved Result Builder implementation, updates to Swift-DocC and the Swift Package Manager, and more.
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Docker support is coming to as an official part of the Swift project:
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As part of our vision for Swift to be a widely-used language for a wide variety of use cases and platforms, today at @SwiftServerConf we open sourced some early work on Swift/Java interoperability: Excited to partner with others to expand this. @java
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Swift is starting an exciting new chapter with its own, dedicated GitHub organization. This move will help Swift expand to more platforms and new use cases.
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We're thrilled to announce a new project for Swift—Swift Numerics. Learn all about how it provides the building blocks for numerical computing in Swift!
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Writing Swift with VSCode just got much better. - Swift Testing ✅.- Code coverage ✅.- Refactoring improvements ✅.- Easy version switching ✅.- Code formatting ✅. All the details here: @code.
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Swift 5.6 is now officially available! This new version adds the ability to run plugin commands with SwiftPM, brings enhancements to the type system, improves interaction with pointers, and more. Details at:
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Swift Crypto project is now live and open source. Read more at: Grab the code:
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Today, Swift is taking a big step forward in growing the community by open sourcing and announcing a new workgroup to drive it. Read more:
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Swift 5.10 is now available for macOS, Linux, and Windows, and features a complete set of opt-in diagnostics to check your code for full data race safety.
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Swift 5.7 is now available! This release contains many of the enhancements announced at WWDC22, including improved generics syntax, regular expression literals, enhanced data race safety, and more.
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Swift HTTP Types is a new, open source package designed to provide common types for working with HTTP.
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In case you haven't heard. Swift is going open source later this year!.
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Introducing Diversity in Swift. This initiative is focused on further elevating diverse voices, and making it easier for developers of all backgrounds and skill levels to join the Swift community. Read more about it here:
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The new open source Swift Algorithms package was just released, and ready for the community to jump in!. To learn more about these new sequence and collection-focused algorithms, head to the blog:.
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As part of our commitment to investing in Swift across all platforms, we're delighted to announce the availability of the new all-Swift Foundation library as part of the Swift 6 nightly toolchain, supporting Linux and Windows. 🏗️🏗️🏗️.More here:
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Swift System is now an open source project on "Our vision is for System to eventually act as the single home for low-level system interfaces for all supported Swift platforms.".
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Happy to announce that even more Linux platforms are officially supported at Read more here:
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This promises to be a great Swift book that's also for a great cause!
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Announcing Swift Homomorphic Encryption, a new package that supports private cloud computation using cutting-edge cryptographic techniques. 🕵️🤐.Read more:
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The Swift Package Index is now sponsored by Apple. Read the history of this popular service from @daveverwer and Sven A. Schmidt:
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Introducing Swift Distributed Actors, a new open source package to facilitate distributed actors in a clustered environment. Learn more:
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In case you missed it: last month we launched Swift Testing, a new framework that makes testing your Swift code a breeze. Open sourced here:
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Swift development on the server takes another step forward. Introducing Swift Service Lifecycle.
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Read about exciting developments with Swift as we head down the road to Swift 6.
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With Swift 6, functions can declare specific error types they can throw. This enables you to write exhaustive catch clauses that ensure that every possible error is handled. More in the Swift programming language book, updated for Swift 6 beta:
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Swift combines an easy-to-use syntax with the speed of a compiled language, making it ideal for machine learning. Just announced: the advanced MLX research framework expands support for Swift:
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Adwaita for Swift helps you create user interfaces for GNOME using a declarative syntax.
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Swift 5.3 is now officially released, along with downloadable toolchains and Docker images for Linux. Read more about it here:.
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Introducing SwiftNIO SSH, a collection of APIs that allow programmers to implement SSH-speaking endpoints.
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Since announcing the new Swift organization at this month, we've been hard at work! 🚧 Over 20 repositories migrated so far, including the core Swift repo, website, SwiftPM, VSCode extension, LSP support, and Docker images. More on the way; join us there!
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Sorry we've been quiet for a while. Working on something….
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Swift is full of helpful methods for solving the type of problems you'll find in Advent of Code, for those who are playing along. Here are a few examples from Swift and the Swift Algorithms core package that are helpful for the day 2 puzzle! 🧩#AdventOfCode
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Xcode 7 with Swift 2 is available for update in the App Store. And now everyone can develop on-device for free, not just in the simulator!.
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C and C++ interoperability is one of Swift's superpowers, enabling access to a wide variety of existing APIs, including the Windows SDK. @compnerd has an excellent piece detailing the process.
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The Swift blog launches today! Get the latest news and insights directly from the Swift team at Apple.
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Announcing the new Language Workgroup, focused on evolving the Swift language and standard library. This new workgroup allows the Core Team to invest more in the overall direction of the growing Swift ecosystem.
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The recently announced support for Swift LSP support is now up on GitHub. Check out the @SwiftLang Forum post for more details:
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How small does Swift go? Tiny enough to run on a breadboard? From #WWDC24, this session by @kubamracek shows how you can build a simple HomeKit accessory that runs on a RISC-V device. And for extra credit, the demo shows off Neovim support for Swift! ✨
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Great resources to learn programming in Swift, including links to a new iTunes U course!.
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Today we’re making available the source code for certain key components of Private Cloud Compute, written in #Swift, to allow developers and researchers to independently verify its security characteristics and functionality:
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Swift is designed to be a joy to write, as shown by the rotating code snippets on our home page. Let's add some new ones! What's your favorite 5-10 line snippet that demonstrates the joy of Swift? 🥳
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Learn more about the new diagnostic architecture coming soon in Swift 5.2 here:
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Announcing a new Swift open source package: Swift Service Discovery. Defines a standard API for back-end providers to implement. Read more about it here:.
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From 152,000 lines to 29,000: @RonAvitzur spent the last 18 months porting the famous Pacific Tech Graphing Calculator from C++ to Swift and wrote about the journey:
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Swift Playgrounds. An innovative new app for iPad to learn real Swift code.
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The Swift community just keeps building more cool stuff! . Announcing the new Swift Atomics open source package:.
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Great collection of videos from the community about programming with Swift:.
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Join the conversation about a new project for building an LSP language service supporting Swift:
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has gained a new way to help developers find popular and useful packages from across the community.
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Once again, Swift has been confirmed as an official participant of the Google Summer of Code 2021. Learn more about how to join in on the fun here:
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Learning Swift on the go? Want an app that can help you brush up on language foundations? @twostraws has you covered with Unwrap. With lessons and quizzes, it's a great tool for developers who are transitioning to Swift:
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Swift OpenAPI Generator is a new package for building API clients and servers from an OpenAPI document.
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Programming microcontrollers with Swift has never been easier. @kubamracek introduces a new repository of example projects to help get you started.
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New post on the blog about the new features in Swift 3.1, released today with Xcode 8.3: .
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📦📅 Package of the week: node-swift 🧑💻. node-swift lets you write native Node modules in Swift that can be used with node.js, NPM and Electron. It's idiomatic, fast, and works on macOS, Linux and Windows. More here: @kabiroberai @nodejs #Electron
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is the new home for open source Swift, and there is an engineering blog at
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The Swift Extension for Visual Studio Code makes it easy to set up code completion, debugging, test exploration, and more.
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The new Swift 6 language mode provides compile-time data race safety, eliminating an entire category of bugs by diagnosing them at compile time. And good news: you can migrate to Swift 6 incrementally!. For more details, check out our migration guide:
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Swift’s speed, safety, and expressiveness make it a great choice for server development. now hosts a number of guides to help get you started.
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Swift began with a simple melody. Thank you to every contributor, teacher, and community member for making it a symphony — each pull request a note, each tutorial a harmony, and each app a movement in this ever-evolving masterpiece. To the orchestra — bravo!🎻.
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Modern, expressive testing is one of the highlights in Swift 6! 🧑🔬.As its release gets closer, we're merging Swift Testing into the toolchain so it's available to packages and apps without having to add new dependencies. More here:
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Swift 2!. New error handling model, Swift-er SDKs, availability checking, and open source.
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"The Swift Programming Language" book is now published using DocC, making it easy for developers to contribute ideas, translations, fixes, and more.
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Announcing the new Documentation Workgroup, focused on enhancing the documentation experience for the Swift language and ecosystem.
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📦📷 Package of the week: hummingbird 📷🧑💻. Hummingbird is a lightweight, flexible HTTP server framework that provides routing, authentication, encryption, logging, and AWS Lambda support. It's never been easier to build a server app with Swift! 🪺More at
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If you're trying out the new Swift predictive code completion in Xcode 16, we'd love to hear from you about your experiences! .Use the Feedback Assistant tool to file suggestions or bugs: we read every one and use it to help build a better product for you.
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IBM made significant announcements today, helping being Swift to the server and the cloud.
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We're excited for the Advent of Code challenge, and grateful to @ericwastl and his team of elves for their hard work. If you're using Swift to participate, come and join us here: #AdventOfCode
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Xcode 8.3b2 now available with a new Swift compiler flag that can speed building large mixed Swift and ObjC projects
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Want to install Swift on a Windows developer machine with Visual Studio installed? It’s as easy as one command. What are you waiting for?!
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🎉Celebrate some of the women in the Swift community who have made significant contributions towards the evolution of the language:
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For a second year, Apple is sponsoring ServerSide.swift, an annual conference for server-side Swift developers:
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