Developer tools and open source ecosystems. Product @ Apple. @swiftlang.📍 San Francisco
Joined March 2007
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Lots of great highlights this month. One of my favorite parts: ten years of Vapor, and the release of Vapor 5 beta! Congrats to the team on the milestone.
🗞️ 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: swift.org/blog/whats-new-in-…
Dave Lester retweeted
Swift 6.4 is out! 🎉
This release brings deeper interoperability, stronger platform support, and easier everyday code.
swift.org/blog/swift-6.4-rel…
Highlights in this thread 🧵
ALT The Swift logo with the text Swift 6.4
Dave Lester retweeted
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/w…
Dave Lester retweeted
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: swift.org/blog/whats-new-in-…
Dave Lester retweeted
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/announcing-ne…
My favorite part of the latest digest? The two Embedded Swift talks it links to. One of them demos Swift on a Game Boy Advance!
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-in-…
Dave Lester retweeted
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-in-…
Dave Lester retweeted
🗞️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-in-…
ALT “After 20 years of shipping web applications, I have never seen fewer crashes and bugs make it to production. Performance has also been excellent, especially after moving our templates to Elementary. Our heaviest pages make it to the browser in less than 100ms.” (Nick Sloan, Studioworks)
Happy New Year, @SwiftLang crew! So happy to be back, I hope everyone enjoyed some time off.
If you're looking to catch up on Swift news, check out the December digest: swift.org/blog/whats-new-in-… and let me know what you think!
Dave Lester retweeted
🎉 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. 🧡
ALT import Foundation let calendar = Calendar.current let openSourceDay = calendar.date(from: DateComponents(year: 2015, month: 12, day: 3))! let anniversary = calendar.date(byAdding: .year, value: 10, to: openSourceDay)! if calendar.isDateInToday(anniversary) { print("10 Years of Swift open source! 🎉") }
Excited about this release for the #swiftlang and @temporalio communities.
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-tempora… @temporalio
Dave Lester retweeted
Indie developers now have more tools in their toolkit for building with Swift across platforms, thanks to @skiptools. Exciting to see a Swift community member building a business with the open source Swift SDK for Android. skip.tools/blog/skip-fuse-fr… #Android
Dave Lester retweeted
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-in-…
Dave Lester retweeted
📣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-swift… #Android
Dave Lester retweeted
New tooling for profiling performance-critical services with Swift -- introducing the Swift Profile Recorder. More here: swift.org/blog/swift-profile…
ALT Screenshot of the output of Swift Profile Recorder, running Hummingbird’s hello example visualized in Speedscope.
Dave Lester retweeted
Ahead of next week's ServerSide.swift conference in London, organizer and Swift server workgroup member @0xTim looks back at the growth of Swift as a platform for building server apps: swift.org/blog/swift-on-the-… @SwiftServerConf
Two weeks until @SwiftServerConf at The Science Museum in London! A conference all about @SwiftLang on the server. Looking forward to joining in-person and connecting with the community. #swiftlang