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-6-4…

Swift 6.4 is out! 🎉

This release brings deeper interoperability, stronger platform support, and easier everyday code.

swift.org/blog/swift-6.4…

Highlights in this thread 🧵

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

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: swift.org/blog/migrating…

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 @kateinoigakukun shares how they built it with Swift and WebAssembly: swift.org/blog/bringing-…

🆕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.🧑‍💻swift.org/blog/expanding…

Thanks to @compnerd, we have 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-pure…

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: swift.org/blog/swift-6.3… #AndroidDev #iOSDev

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

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/schedule/… #Wasm

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. 🧵

📐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! swift.org/blog/swift-sys…

🗞️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: swift.org/blog/whats-new…

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

📚Check out this beautiful contribution by @peterfriese: a typeset PDF of The Swift Programming Language book, our official reference to Swift, produced with Typst. Download and read the PDF here: github.com/peterfriese/sw… @typstapp

"Build a balance bike, not training wheels." Doug Gregor's @swiftcraftuk talk describes Swift's progressive disclosure: start with the simple stuff, reach for the advanced stuff when you need it, and never have to throw out what you've learned.
youtube.com/watch?v=opqKGg…

Exploring the Swift SDK for Android: updates on ongoing progress! swift.org/blog/exploring…

⚙️ Swift Configuration 1.0 is here! 🎉 No more juggling environment variables, config files, and command-line flags separately. One unified, type-safe API to read configuration from any source, and swap providers without refactoring your code. More here... swift.org/blog/swift-con…

🎉 10 years of open source Swift! A decade ago today, we opened Swift to the world with a simple blog post: swift.org/blog/welcome

What's grown since—thanks to an incredible community of contributors—has been extraordinary. Here's to the next ten years. 🧡

🎄This year's Advent of Code promises fun coding challenges for all! And if you haven't tried Swift before, it's a great way to get started. Join the Swift challenge board here: forums.swift.org/t/advent-of-co… @maarten_engels #AdventOfCode

⚙️ Swift progress on embedded Swift, for memory-safe, fast code in resource-constrained environments. The latest updates are coming to Swift 6.3, and you can read more here: swift.org/blog/embedded-… #IoT

🚀 Swift is now officially supported on Amazon Linux 2023! This makes deploying Swift apps to AWS easier than ever. Try it: sudo dnf install swiftlang. The future of Swift keeps getting brighter... @AWSOpen #Linux docs.aws.amazon.com/linux/al2023/r…

Managing long-running, stateful workflows in Swift just got a whole lot easier. The new Temporal SDK brings first-class support for building reliable, fault-tolerant applications. swift.org/blog/swift-tem… @temporalio

Also check out Mads' talk at @SwiftServerConf: youtube.com/watch?v=tOH6V1…

1️⃣ Swift comes to FreeBSD

Swift is now available in preview for FreeBSD 14.3 and later. We want your feedback, bug reports, and contributions to make Swift great on FreeBSD! 🧑‍💻Read the announcement here: forums.swift.org/t/swift-on-fre… #FreeBSD

It's been a busy month for Swift, with lots of project updates to share. Here's a digest of the latest news: swift.org/blog/whats-new…

🧱Lots of progress towards a unified, open source, cross-platform build system for Swift 🏗️
Here's the latest project update: forums.swift.org/t/swiftpm-on-s…

📣Announcing the first preview releases of Swift for Android, enabling you to build Android business logic with the same Swift that you use for Apple platforms. swift.org/blog/nightly-s… #Android

🎥First sessions from @SwiftServerConf are now on YouTube! Watch Mona Dierickx explore the AWS SDK for Swift and Amazon Bedrock AI integration: youtube.com/watch?v=eDkbXN…

New tooling for profiling performance-critical services with Swift -- introducing the Swift Profile Recorder. More here: swift.org/blog/swift-pro…

Swift isn't just for client apps: when Elytra moved from Node to Swift for their server code, they benefited from better performance and a unified codebase. More here: elytra.app/blog/2025/10/0…

Introducing Swift Configuration, a new way to share and manage configuration for Swift. It's a smarter way to keep secrets safe and separate develop/test/prod environments. More here: forums.swift.org/t/introducing-…

@mariusfanu swift.org/documentation/…

🧪Exit testing is new in Swift 6.2! Now it's easy to check whether code exits cleanly, and ensure it prints the expected output to the console. Here's a sssssuper sssssimple sssssample! 🐍 More at developer.apple.com/documentation/…

With ✨Swift 6.2 ✨, you can now target WebAssembly, including WASI support. Get started here: swift.org/documentation/… #Wasm

Putting Swift in a box📦Tools for containerizing Swift, from a presentation at #OSSummit @linuxfoundation youtube.com/watch?v=MV0wAC…

Announcing the Swift on Android Working Group, with the goal of establishing and maintaining Android as an officially supported platform for Swift. More here: forums.swift.org/t/announcing-t… #Android

Now you can use your Mac for developing Linux-based server components with Swift, using the new Swift-based container tools. Learn more and download at: github.com/apple/container

Ahem... 🆕

The story behind the Apple Password Monitoring service, handling multiple billions of requests per day from devices all over the world, which was recently rewritten in Swift: swift.org/blog/swift-at-…

When Things rebuilt their server backend with Swift, they saw improved code reuse, rock-solid stability, and a fourfold speed boost when processing sync requests. @culturedcode #ServersideSwift culturedcode.com/things/blog/20…

Introducing Swift OPA, which allows you to keep service policies decoupled from service code, giving your security and compliance teams the flexibility they need to manage services built in Swift. @OpenPolicyAgent blog.openpolicyagent.org/introducing-sw…

As the Swift ecosystem grows, we're adding a steering group to help us all coordinate efforts around package and tool development. More here: forums.swift.org/t/announcing-t…

We're excited by this year's summer of code projects! ⛱️🧑‍💻They focus on improving Swift tooling and language interoperability, from @code to @java. Check them out here! forums.swift.org/t/gsoc-2025-ac… #GSOC25

📰Announcing Swift 6.1 📰With ergonomic improvements to concurrency, simpler Objective-C interop, productivity and package improvements: swift.org/blog/swift-6.1… Install with Xcode 16.3 or the new swiftly version manager!

Spring is here (in the northern hemisphere) 🪺🐣 -- and what could be a better time for some code tidying? Fortunately Periphery is here to rescue us, building unused code detection on top of swift-syntax. Have you tried it? github.com/peripheryapp/p…

📦📅 Package of the week: swift-zip-archive 📅📦

Compress or uncompress 🪗 content in just a couple of lines of code with this package, now supported on Windows and Linux as well as Apple platforms, and Swift 6 support! 👏 swiftpackageindex.com/adam-fowler/sw…

Students -- how would you like to spend the summer contributing to Swift while working with mentors from the Swift team? Lots of great projects to work on, from improving VSCode integration to compiler development. More at: forums.swift.org/t/gsoc-2025-sw… @GoogleOSS #GSOC

📦📅 Package of the week: swift-mustache 📅📦

swift-mustache is a powerful templating engine that enables you to generate content by applying a template to your data. Easy to use and effective anywhere you're generating text or source code. #Mustache swiftpackageindex.com/hummingbird-pr…

When the lights flash, it's a win! @_ryantoken starts the week off with a great article on serverless Swift -- connecting his smart light bulbs to a backend running in AWS Lambda: ryantoken.com/blog/serverles…

Learn more about how the team behind Things, an award-winning personal task manager, rewrote their backend in Swift with a threefold reduction in compute costs: swift.org/blog/how-swift… @culturedcode @codevapor @awscloud