Swift Language
@SwiftLang
Swift is a general-purpose programming language that's fast, modern, safe, and a joy to write. Designed for all, developed in the open.
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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:
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Swift 6.3.3 is out now! 🔩 This maintenance release improves stability in the Swift REPL, concurrency, and key paths. More here:
Swift Package Index has become an essential part of the Swift ecosystem, and joining Apple strengthens it as it continues its mission. Learn more:
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:
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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:
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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
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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:
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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:
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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:
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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:
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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:
🆕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 #server#
Announcing Swift 6.3.1, a maintenance release with reliability improvements. More details in the forum post here:
☕️ New update to the Swift Java interop tooling, with plentiful improvements for use in both server and Android scenarios: #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.🧑💻
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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! 🎉
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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 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: #AndroidDev# #iOSDev#
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🚀 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#
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🏗️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:
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