Tim Sneath

Developer tools and frameworks at Apple. I aspire to build delightful products, and to make others smile.

[Tim Sneath @timsneath]

Container is perhaps the coolest macOS app you're sleeping on, if you use a Mac as your developer machine. So I tried to condense it into a short video tour. Download it with brew install container or from https://t.co/4L37xFJWS3.

[Tim Sneath @timsneath]

@joshelman It’s the rogue humans that cause me most lack of sleep…

[Caio @caioagralemos]

Almost everything in my life today traces back to one Swift Student Challenge submission I almost didn't send.

It's open again, now for ANY platform. If you're a student, it's your time.

https://t.co/cICzQg40pH

[Tim Sneath @timsneath]

@RoseSilicon The website includes details on eligibility and criteria, including a section on the usage of AI tools and expectations for submitted projects: https://t.co/gtIjk7IWzx

[Tim Sneath @timsneath]

It's time for fun: the Swift Student Challenge gives students the chance to learn and show off creativity and programming skills, and with the agentic development features in Xcode 27, your app can fully realize your imagination. Start dreaming now!
https://t.co/BZjhgelZPY

[Tim Sneath @timsneath]

Always makes me happy to see these projects, which both propel the project forward and boost the careers of some amazing new contributors! https://t.co/St3slzb5QX #gsoc

[Tim Sneath @timsneath]

@viticci @gruber

[Tim Sneath @timsneath]

Starting today with the 27.3 betas, the new Siri AI Developer Preview enables apps to integrate with Siri AI. New APIs that you can build with, documented here: https://t.co/EO4MkbhBK2

[Tim Sneath @timsneath]

@nilodobi @luka_bernardi Absolutely!

[Tim Sneath @timsneath]

Xcode 27 is here! Three useful tips for writing apps for Apple platforms with agents like Claude: 🧵

[Tim Sneath @timsneath]

Love seeing that it's helping folk! https://t.co/SuE87fhFPI

[Tim Sneath @timsneath]

Xcode 27.2 ships with a new skill for agents to work with Instruments, as well as an update to the SwiftUI specialist skill. Love that my apps can get better just by upgrading!

[Tim Sneath @timsneath]

@IsForAt Fantastic! My oldest was running too for the first time! How did these kids get so incredible?

[Tim Sneath @timsneath]

The AI world we live in offers the joy of creating hyper-personalized apps. I wanted an app to truly study Beethoven's piano sonatas, including comparing recordings, taking notes, and viewing scores. So I created a beautiful Mac app in an evening with Xcode. Feels like magic.

[Tim Sneath @timsneath]

Some fun for the weekend: Simon Leeb's talk on ElementaryUI, an experimental server-side web framework built with Swift and SwiftWasm. Check out the video: https://t.co/hjSw7TPruq

Version 0.9 shipped today 🎉

If you know Swift, the web sample below will feel very intuitive.

[Tim Sneath @timsneath]

@clemo_lumumba https://t.co/yQTzLGp5m1

[Tim Sneath @timsneath]

2/ Xcode 27 ships 10 handwritten skills with best practices for app development and modernization. Export them to read yourself or drop into any agent with:
xcrun agent skills export

[Tim Sneath @timsneath]

Xcode 27.2 ships with a new skill for agents to work with Instruments, as well as an update to the SwiftUI specialist skill. Love that my apps can get better just by upgrading!

[Tim Sneath @timsneath]

Fantastic to see the Xcode work for the new MacBook finally within touch of developers. High-fidelity testing of iPhone apps is now at your fingertips...

[Ale (pikacodes) @pikacodes]

Mobile devs this one’s for you: test your apps directly on the MacBook Pro’s touchscreen!!!! 👆📲

[Tim Sneath @timsneath]

@__apf__ My wife reckons cucumbers. Not sure if that's an indictment of cucumbers or not!

[Michael Fisher @Captain2Phones]

I haven't been this excited about smartphone apps since 2008.

The iPhone Duo seems to have galvanized the developer community, leading to an explosion of novel concepts and new designs. Feels like the iPhone 3G all over again, and I'm *very much* here for it

[Tim Sneath @timsneath]

It's not a new feature, but everyone I've shown this Apple Watch tip to has fallen in love with it. It's a great, subtle way to check you're not running late for a meeting while staying focused on a conversation. https://t.co/x0tOIoumWR

[Tim Sneath @timsneath]

@twostraws I’ve been having a ton of fun with Ignite for some internal projects. It’s particularly fun that Opus is just as good with it as with something like Astro, but of course Ignite is so much more… swift!