Swift Language

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: swift.org/blog/whats-new…

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-s…

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-pac…

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…

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: swift.org/blog/announcin…

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 swift.org/blog/whats-new…

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: cncf.io/blog/2026/06/0…

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-…

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: swift.org/mentorship/

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-s…

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: swift.org/blog/whats-new…

🆕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-sw… @valkey_io #server

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

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

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: swift.org/blog/whats-new…

@jcxdev You shouldn't need to, no. What platform are you running Swift on?

@SwiftLang Finally! I’m guessing I’ll still need to rebuild it locally to disable assertions, though?

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

🚀 Women in Swift Spotlight 👩‍💻 Meet Priyambada Roul (@tarantism_priya) , SDE2 at Cashfree Payments, GSOC 2025 participant for @SwiftLang From backend systems to contributing to the Swift ecosystem. Here’s her journey👇 #WomenInSwift