Stijn Willems

There is an upside somewhere do,….Looking, 👀👀👀👀. Ah ai says it found it!! 💯 production ready answer. Me: nice let’s 🚢. 👷‍♂️ wait oh no it’s all there but some mini parts in 10k lines of code are just missing. Fuck now what

For iterative ui testing. A thing ai needs to force it to actually build all the thinks it promised to build.

I tried antigravity but it produced numerous claims of success without any working implementation. Given its focus on eliminating precisely that I’m curious how you achieved it. We lack something like Playwright MCP to validate end-to-end autonomously native UI in apps. XCTests are very clunky

GitHub - rryam/VecturaKit: Swift-based vector database for on-device RAG using MLTensor and MLX Embedders Swift-based vector database for on-device RAG using MLTensor and MLX Embedders - rryam/VecturaKit

VecturaKit 5.0.0 is out!

Big embedder release for Swift on-device RAG:
- ModernBERT, RoBERTa, XLM-RoBERTa + NomicBERT support
- Cleaner model-family resolution
- Stronger validation/BERT fallback
- Bumped up platform minimums
github.com/rryam/Vectu...

OnboardingKit 9.2 is out, with new styling options and convenience initializers for the welcome screen and its USP list items.

#SwiftUI

github.com/danielsaidi/...

Some say Xcode previews replace unit tests 😵‍💫. We strongly disagree.

That's why we spent so much time making sure SQLiteData is 100% testable. Learn how to bootstrap an in-memory database per test and assert on feature behavior.
www.pointfree.co/episodes/ep3...

An American Street

An American Street www.nytimes.com/2026/01/27/u...

GitHub - g-cqd/SwiftStaticAnalysis: High-performance Swift static analysis framework for code duplication detection and unused code elimination High-performance Swift static analysis framework for code duplication detection and unused code elimination - g-cqd/SwiftStaticAnalysis

Uploaded a couple of repos.

SwiftStaticAnalysis A CLI tool that flags copy-pasted code and unused declarations. github.com/g-cqd/SwiftS...

CSVCoder A CSV parser. Fits into Codable, handles macros, and tries to be memory efficient. github.com/g-cqd/CSVCoder

They get the job done, reasonably fast.

Swift’s first Pre-FOSDEM Community Event is happening Friday, January 30th, from 12 PM to 6 PM! If you’re interested in giving a talk or volunteering, check out swiftlang.github.io/event-fosdem/.

The deadline to submit proposals is January 5th, 2026!

GitHub - anthropics/claude-plugins-official: Anthropic-managed directory of high quality Claude Code Plugins. Anthropic-managed directory of high quality Claude Code Plugins. - anthropics/claude-plugins-official

Look, there's an official #Claude LSP plugin for #swiftlang @swift.org now!
github.com/anthropics/c...

github.com/anthropics/c...

I'm seriously considering rebranding myself as a "cross-platform Swift developer" compared to "Apple platform developer". Swift in the cloud and on Android is doing amazing and for me this will be the future. 👨🏻‍💻

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

But I have a question when you use `swift build --build-system swiftbuild` you also have the problem?

I know compiling and talking about feelings, I must be nuts?! don't know...

More recently opensource swift only. I try to force all my projects to compile and now use the swift build --build-system swiftbuild to compile. It has a lot of issues but at least I have the feeling that xcode does not do some patch work and my final build feels more light.

This is such a stressfull thing for me. 10+ I started iOS development and loved xcode and objective-c. In some ways over the years I defended xcode way to long. I was really depressed when I discovered with swiftui xcode was not going anywhere. My salvation was moving to swift.

If you use Swift Macros in a library, use this script to remove 50 megs of junk that Xcode forces into your binaries:

github.com/migueldeicaz...

This has been a public service announcement from the Latino Coalition for Smaller Binaries.

github.com/feedback-ass...

beauty in the making? Let's find out in the coming months :)

Oh boy now you found a reason to buy m5 but wait for Mac Studio with at least 128gb unified memory. 😳

What hardware are you building on?

Register for Do iOS 2025 I'm going to attend Do iOS 2025 on November11. Who is joining me? Register at https://appforce1.paydro.com/do-ios-2025

🚨 Discount Code "joannis" and get €100,- off your Do iOS tickets if you join my workshop on Embedded Swift!

appforce1.paydro.com/do-ios-2025/...

GitHub - swiftlens/swiftlens: SwiftLens is a Model Context Protocol (MCP) server that provides deep, semantic-level analysis of Swift codebases to any AI models. By integrating directly with Apple's S... SwiftLens is a Model Context Protocol (MCP) server that provides deep, semantic-level analysis of Swift codebases to any AI models. By integrating directly with Apple's SourceKit-LSP, SwiftLens...

github.com/swiftlens/sw... anybody experience if this improves Claude code? #swiftlang

My talk from ServerSide is up!

Claude Agents CLI - Managing AI Agents for Swift Development A Swift command-line tool for installing and managing specialized Claude Code agents. Install 29 built-in agents globally or per-project with a single command.

I was experimenting with claude sub agents and created this tool. Might help somebody. Agents make managing conversation a lot easier. I'm still searching for the best way to use them but this is a start. I'm curious how you use it? All in #swiftlang

doozmen-stijn-willems.ghost.io/claude-agent...

I used claude to structure my thoughts on the subject. Full thread claude.ai/share/1a1c26...

Hummingbird's RequestContext makes this clean: set your per-request environment once, let the framework handle propagation. Vapor does similar with req.storage. No threading parameters through every function call.

The pattern: inject dependencies at request entry, structured concurrency propagates them down the tree. No globals, no TaskLocal complexity. swift-dependencies gives you @Dependency property wrappers that just work.

TaskLocal is for metadata like tracing IDs. But swift-dependencies (pointfree.co/collections/dependencies) extends it for proper dependency injection. Use RequestContext at entry points, structured concurrency handles the rest.

Just discovered Universal Control by accident. My MacBook's trackpad suddenly controlled my Mac Studio - no cables. Turns out Apple built this years ago. One keyboard, two Macs, cursor flows between screens. Works perfectly once you get it.

Of course, this means it only works for tree-structured operations—if work escapes the tree, I fall back to safer global patterns (like actors or explicit context passing)