Latest / July 21, 2026
13 posts from engineering leaders published July 21, 2026, by David Heinemeier Hansson, Simon Willison, Harry Roberts and 8 more.
In 2012, the first Danish wolf in nearly two hundred years was discovered in the northwestern part of the country. Their numbers increased slowly in the years that followed, and by 2020, fewer than ten wolves were still being tracked. But then the population began to rise…
California Sea Lion, in San Francisco County, US, CA We took some visiting family to Pier 39 to see the sea lions. They're somehow always even more fun than I remember them being last time. Tags: san-francisco , wildlife
The 2026 update to my real-world device testing recommendations paints a clearer picture than ever…
Nativ: Run AI models locally on your Mac Prince Canuma is the developer behind the excellent MLX-VLM Python library for running vision-LLMs using MLX on a Mac. I'm really excited about his new project, which wraps MLX in a full macOS desktop application. It's similar in shape to…
With this post, I’ll wrap up my notes from the second Future of Software Development Retreat . But before I do, I should note that the full Thoughtworks report on the retreat is now available . They have five headline findings: Code generation is no longer the bottleneck —…
Earlier this month I hosted a fireside chat session at the AI Engineer World's Fair with Cat Wu and Thariq Shihipar from Anthropic's Claude Code team. We talked about Claude Code, Claude Tag, Fable, coding agent security, evals, tool design, and how Anthropic use these tools…
We’re doing a big release this week for DRI Your Career. Mostly bug fixes and reliability work nobody will notice, but the two things worth mentioning: We’ve come a long way since it was just Jean and “Claude the intern”, but mostly very iteratively. We’d come to a point where…
What made me a good senior engineer stopped working the day I became a manager.
🤖 This post includes some LLM-derived content 🤖 I've recently been using the pattern I described to combine Renovate and Vendir to sync files in a number of repos, as a means to track OpenAPI spec dependencies. However, one thing I've found a bit painful is that when using…
I reckon this week's video on how Claude is tying together info from UniFi, Home Assistant and the Pi-Hole is an absolute ripper. Or at least the concept is - if ever there was an actual value proposition for AI it's taking lots of noise and
**The winning software teams will throw away orders of magnitude more code than they merge.** I ran a benchmark against the custom git server I’m building, -
Hello! I’m on a funny journey right now where I’m trying to learn how to make websites in a sort of 2010 style, where I have an SQL database and render some HTML on the backend. It’s kind of an interesting journey because it doesn’t necessarily feel “easy” to me to make websites…
swizec.com is 20 years old and has gone through many rewrites. Here's the latest