Swift Language

Swift Package Index now supports Swift 6.4 and uses it to generate documentation 📦 Package authors, check that your packages work with the move to Swift Build: swiftpackageindex.com/blog/swift-6...

pointfree.coAdvanced macro technique #2: Type inferenceThe final advanced Swift macro technique we will discuss is how macros can determine the static type of an expression whose type must be inferred by the compiler. This is particularly useful for macro...

@pointfree.co's series on advanced macro techniques wraps up with part 2: type inference. A great read for Swift macro authors. Check it out at www.pointfree.co/blog/posts/2...

forums.swift.orgAnnouncing Swift 6.4.1Announcing Swift 6.4.1 We are happy to announce the release of Swift 6.4.1. Install Swift Toolchain Install via Swiftly swiftly install 6.4.1 or swiftly install latest Download toolchain directly f...

Swift 6.4.1 is out now! ⚙️ This maintenance release improves compiler stability, enhances dependency resolution in Swift Package Manager, and includes fixes for Foundation and Swift Testing. More here: forums.swift.org/t/announcing...

swift.orgWhat's new in Swift: September 2026 EditionWelcome to “What’s new in Swift,” a curated digest of releases, videos, and discussions in the Swift project and community.

🗞️ Swift 6.4 landed in September, with Swift Build as the default in SwiftPM, Subprocess 1.0, and more capable Embedded Swift. Plus Vapor turns 10 and Google releases official Google Cloud client libraries for Swift. Read the latest digest: www.swift.org/blog/whats-n...

cloud.google.comIntroducing the Server Side Cloud Swift SDK | Google Cloud Blog

Google: “[Swift] has matured into a viable systems and cloud language, pairing Rust-like data-race safety with predictable, reference-counted performance.” Announcing their Swift-based cloud SDK for backend services: cloud.google.com/blog/topics/...

github.comRelease 5.0.0 · apple/swift-cryptoSwift Crypto 5.0 Release Notes Swift Crypto 5.0 aligns the cross-platform API surface with CryptoKit as shipped in Xcode 27 (CryptoKit-383.2.1), and takes the opportunity to streamline the package ...

17 Sept

Updates to swift-crypto that offer an expanded cross-platform feature set for apps relying on cryptography: github.com/apple/swift-...

15 Sept

Swift 6.4 is out! 🎉 This release brings deeper interoperability, stronger platform support, and easier everyday code. www.swift.org/blog/swift-6... Highlights in this thread 🧵

15 Sept

✨ Simpler syntax for optionals like “some” and “any” 🛠️ Swift Build now the default in SwiftPM — same build on Linux/macOS/Windows 📦 Subprocess reaches 1.0 🌐 Wasm bridging via JavaScriptKit up to 40x faster 🔗 C++20 std::span interoperability 🔒 Faster code, still memory-safe

swift.orgModule Tracking in Swift Debug InfoWhen your Swift program hits a breakpoint and stops so you can inspect it, the debugger’s expression evaluator has to find the exact Swift module your code was built from. Until now, that lookup wasn’...

11 Sept

How does the debugger know exactly which Swift module your code came from? The upcoming Swift 6.4 release makes it more precise than ever, tracking the module path in debug info instead of looking it up by name, for faster and more reliable debugging. www.swift.org/blog/module-...

swift.orgWhat's new in Swift: August 2026 EditionWelcome to “What’s new in Swift,” a curated digest of releases, videos, and discussions in the Swift project and community.

4 Sept

Lots of cross-platform Swift news this month. ElementaryUI brings Swift to the web, SwiftTUI brings state and animations to the terminal, and Swift on Windows keeps getting better. Read more in our latest digest: www.swift.org/blog/whats-n...

25 Aug

At last: a unified home for Swift documentation, pulling together the language reference, core libraries and tooling, and platform specifics into a single central home, no matter what you're building! Check it out and give us feedback: docs.swift.org

circleback.aiHow we rebuilt our Electron recording engine in Swift - CirclebackHow we moved our Electron app's recording engine from the render process to native Swift, bridging ScreenCaptureKit and libobs to React with a Combine-to-Jotai tool.

21 Aug

Circleback didn't port an app to Swift, instead using it as a portable systems layer that provides the connective tissue between an Electron UI and some underlying platform dependencies (ScreenCaptureKit on macOS, libobs on Windows). Interesting approach: circleback.ai/blog/how-we-...

swift.orgEmbedded Swift Improvements Coming in Swift 6.4Embedded Swift is a subset of Swift that’s designed for low resource usage, making it capable of running on constrained environments like microcontrollers. Using a special compilation mode, Embedded S...

20 Aug

Embedded Swift is a subset of Swift built for tiny, constrained hardware, with far smaller binaries while keeping the language you already know. Swift 6.4 brings it closer to full Swift than ever, supporting "any" types, untyped throws, and metatypes. www.swift.org/blog/embedde...

swiftpackageindex.comWhat is a package registry? on the Swift Package Index Blog – Swift Package IndexSwiftPM tooling has three main components – SwiftPM resolves dependencies for the compiler, a package index helps you discover packages, and a package registry hosts and serves verified, immutable so…

14 Aug

What's the difference between a package index and a package registry? One helps you discover packages, the other hosts and serves them. 📦 A new post explains how they fit together. Read more: swiftpackageindex.com/blog/what-is...

swift.orgWhat's new in Swift: July 2026 EditionWelcome to “What’s new in Swift,” a curated digest of releases, videos, and discussions in the Swift project and community.

7 Aug

A busy summer for Swift continues. ☀️ In July: • Task Stealers land in Swift Concurrency’s runtime. • SwiftPM gets a package registry reference implementation. • A talk about explicit ownership at PLDI 2026. Read more: www.swift.org/blog/whats-n...

swift.orgWhat's new in Swift: June 2026 EditionWelcome to “What’s new in Swift,” a curated digest of releases, videos, and discussions in the Swift project and community.

2 July

June was a big month for Swift: previews of Swift 6.4, Swift Package Index joining Apple, and a community project that brought Swift to a 1977 Apple II. Read more in our latest digest: www.swift.org/blog/whats-n...

forums.swift.orgAnnouncing Swift 6.3.3We are happy to announce the release of Swift 6.3.3. Install Swift Toolchain Install via Swiftly swiftly install 6.3.3 or swiftly install latest Download toolchain directly from Install Swift | Sw...

30 June

Swift 6.3.3 is out now! 🔩 This maintenance release improves stability in the Swift REPL, concurrency, and key paths. More here: forums.swift.org/t/announcing...

swift.orgSwift Package Index UpdateSince its launch, Swift Package Index has become an essential part of the Swift ecosystem, helping developers discover quality packages, evaluate compatibility, and make informed decisions about depen...

23 June

Swift Package Index has become an essential part of the Swift ecosystem, and joining Apple strengthens it as it continues its mission. Learn more: swift.org/blog/swift-p...

12 June

Memory-safe. 13% faster on average. ⚡️ The TrueType hinting interpreter in macOS and iOS has been rewritten in Swift, replacing the original C implementation. Pixel-perfect accuracy was validated across 27 million glyphs. And the results: www.swift.org/blog/migrati...

swift.orgAnnouncing the Networking WorkgroupThe Swift Ecosystem Steering Group is excited to announce the creation of the Networking workgroup! Workgroups are community-led efforts, formally recognized by the project, to advance key areas of Sw...

4 June

A unified networking stack for Swift, layered from low-level I/O primitives, through common protocols, to a modern HTTP client and server API. ⚙️ That's what the new Networking workgroup is building. Interested in contributing? Join us: www.swift.org/blog/announc...

swift.orgWhat's new in Swift: May 2026 EditionWelcome to “What’s new in Swift,” a curated digest of releases, videos, and discussions in the Swift project and community.

4 June

Training an LLM with Swift, with optimization techniques to match or exceed C performance. 🏎️ Plus Wasm updates, recently active Swift Evolution proposals, and a talk about the Temporal Swift SDK, in the latest edition of What’s New in Swift www.swift.org/blog/whats-n...

cncf.ioDynamic configuration for cloud native Swift servicesModern Swift services increasingly run alongside the same cloud native infrastructure stacks that power much of today’s Kubernetes ecosystem — including ConfigMaps, containerized workloads…

3 June

Need dynamic configuration for Swift services running on Kubernetes? Swift Configuration supports hot reloading, watching specific values, and more. Learn more on the CNCF blog: www.cncf.io/blog/2026/06...

1 June

When you draw a stroke in Goodnotes on the web, you get the exact same curves and ink flow as on iPad, because it’s literally the same Swift code running on both. ✍️ Goodnotes engineer Yuta Saito shares how they built it with Swift and WebAssembly: www.swift.org/blog/bringin...

swift.orgSwift.orgSwift is a general-purpose programming language built using a modern approach to safety, performance, and software design patterns.

29 May

Want to give back to the Swift community, or level up your open source skills? The 2026 Swift Mentorship Program is open! 🤝 Mentor others, or contribute to ANY Swift open source project as a mentee. Mentor surveys are due June 1! Learn more: www.swift.org/mentorship/

forums.swift.orgAnnouncing Swift 6.3.2We are happy to announce the release of Swift 6.3.2. Install Swift Toolchain Install via Swiftly swiftly install 6.3.2 or swiftly install latest Download toolchain directly from Install Swift | Sw...

13 May

Swift 6.3.2 is available! 🛠️ This maintenance release includes updates to Swift Package Manager and Swift Build, making it easier to load package resources on background threads. More here: forums.swift.org/t/announcing...

swift.orgWhat's new in Swift: April 2026 EditionWelcome to “What’s new in Swift,” a curated digest of releases, videos, and discussions in the Swift project and community.

1 May

Inside the latest ‘What’s new in Swift’ digest: two talks on Embedded Swift, a guest contribution highlighting a Swift client for Valkey, new packages, and more: www.swift.org/blog/whats-n...

valkey.ioValkey: Valkey-swift - Announcing 1.0 ReleaseWe are excited to announce the 1.0 release of valkey-swift, a client library for Valkey written in Swift.

30 Apr

🆕Looking to add a fast, scalable, resilient, in-memory key-value store to your Swift project? Valkey just shipped a production-quality Swift client today: valkey.io/blog/valkey-... @valkeyio.bsky.social #server

forums.swift.orgAnnouncing Swift 6.3.1We are happy to announce the release of Swift 6.3.1. Install Swift Toolchain Install via Swiftly swiftly install 6.3.1 or swiftly install latest Download toolchain directly from Install Swift | Sw...

17 Apr

Announcing Swift 6.3.1, a maintenance release with reliability improvements. More details in the forum post here: forums.swift.org/t/announcing...

9 Apr

☕️ New update to the Swift Java interop tooling, with plentiful improvements for use in both server and Android scenarios: github.com/swiftlang/sw... #java

🆕 The Swift extension is now live on the Open VSX Registry, enabling first-class Swift support in Cursor, VSCodium, AWS Kiro, and Google Antigravity. That means code completion, refactoring, debugging, testing, and DocC support, wherever you code.🧑‍💻https://swift.org/blog/expanding-swift-ide-support/

8 Apr

Thanks to Swift community member Saleem for creating a new Swift XML parser! 🌿 Xylem is pure Swift, zero dependencies, covering SAX, DOM, and XPath 1.0. This is the kind of infrastructure work that helps Swift thrive everywhere! 🎉 forums.swift.org/t/xylem-a-pu...

swift.orgWhat's new in Swift: March 2026 EditionWelcome to “What’s new in Swift,” a curated digest of releases, videos, and discussions in the Swift project and community.

31 Mar

Your digest of everything new in Swift has just landed! Read up on the latest release, community projects, evolution proposals, and videos from across the ecosystem: www.swift.org/blog/whats-n...

24 Mar

Swift 6.3 has landed! 🚀 This release brings community-driven Android support into the official toolchain, along with major improvements to C interoperability, the build system, and embedded Swift. Read more: www.swift.org/blog/swift-6... #AndroidDev #iOSDev

6 Mar

🏗️What if your whole stack was built with Swift? @telemetrydeck.com made it a reality, building an internet-scale, privacy-first analytics backend from the ground up. Read their story: www.swift.org/blog/buildin...

4 Mar

Great language support means nothing without great tooling. Watch Jonas Devlieghere show how LLDB brings first-class debugging to Swift on WebAssembly. fosdem.org/2026/schedul... #Wasm #FOSDEM

Swift Language reposted

Konrad ‘ktoso’ Malawski

@kto.so

swift.orgWhat's new in Swift: February 2026 EditionWelcome to this edition of “What’s New in Swift,” where we share interesting projects and updates in the Swift community that deserve visibility to a broader audience.

Adding to that, here's a small wrap-up post about the pre #fosdem Swift Community Event, including the long awaited group pic! :-) forums.swift.org/t/wrapping-u... Thank you everyone for joining us! #swiftlang

Swift Language@swift.org

Lots of great things happening with Swift: here’s the latest edition of our news digest: www.swift.org/blog/whats-n...

Swift/JS interop used to mean "JSObject", "JSValue", and runtime surprises. BridgeJS changes that: annotate your Swift, get typed glue code in both directions. Compile-time safe. Zero manual boilerplate. 🧵

Bridging options: 1. Annotate a Swift class or type with @JS to create bindings for JS/TS code 2. Import an existing JavaScript class or function with @JSClass or @JSFunction on the Swift side 3. Or create a bridge-js.d.ts file to export TypeScript APIs to Swift

BridgeJS landed as an MVP just two weeks ago, and is evolving fast. Check it out with the interactive playground — paste Swift, and see the generated results live: swiftwasm.org/JavaScriptKi... Docs here: swiftpackageindex.com/swiftwasm/ja...

Left side: Swift types with @JS annotation. Right side: fully generated TypeScript interfaces and exports. You write @JS. BridgeJS writes everything else.

Lots of great things happening with Swift: here’s the latest edition of our news digest: www.swift.org/blog/whats-n...

27 Feb

Swift 6.2.4: available with swiftly install latest ✅ Bugs: fixed 🔨 Builds: faster ⚡️ Closures: smoother 🧈 Details: here 🔗 forums.swift.org/t/announcing...

forums.swift.orgforums.swift.org

24 Feb

🚀 New libraries for @GraphQL on Vapor and Hummingbird dropped! Expose GraphQL APIs with just one line of code: routeBuilder.graphql(schema: schema) { ... } ✅ Full spec compliance ✅ WebSocket subscriptions ✅ Built-in GraphiQL IDE Check them out 👇 forums.swift.org/t/introducin...

20 Feb

📐Announcing Swift System Metrics 1.0! 🎉 A stable API for process-level monitoring on Linux and macOS. Add it to your service in a few lines, plug into Prometheus or OTel, and start visualizing in Grafana. Contributions welcome! www.swift.org/blog/swift-s...

31 Jan

🗞️News from Swift: web apps, a new mail stack, 3D printing, embedded Swift updates, and some community events. Read all about it in the latest Swift blog post: www.swift.org/blog/whats-n...

swift.orgAnnouncing the Windows WorkgroupWe are excited to announce the creation of the Windows workgroup!

27 Jan

📽️ Lots of fun projects being showcased on the forums recently. Here are a few recent favorites... Check out forums.swift.org/c/community-... for more!

Swift Language reposted

Kelsey Hightower

@kelseyhightower.com

26 Jan

The @swift.org team is demonstrating a level of consistency that makes me believe they really want to see the Swift programming language thrive outside of the Apple ecosystem.

Swift Language@swift.org

Windows developers, you're invited! 🪟 We just launched a Windows workgroup to make Swift even better on Windows: improving the toolchain, core packages, API bridging, and deployment experiences. Curious? Interested in contributing? You're welcome here. 👉 swift.org/blog/announcing-windows-workgroup/

swift.orgAnnouncing the Windows WorkgroupWe are excited to announce the creation of the Windows workgroup!

26 Jan

swift.orgImproving the usability of C libraries in SwiftThere are many interesting, useful, and fun C libraries in the software ecosystem. While one could go and rewrite these libraries in Swift, usually there is no need, because Swift provides direct inte...

22 Jan

Your favorite C library, now with Swift superpowers. 🦸 New post: how to transform C APIs into idiomatic Swift, with enums, automatic reference counting, and argument-labeled methods. Best of all: no header changes needed, thanks to API notes! 🥳 www.swift.org/blog/improvi...