Today
- The ebook meets the Web Content Accessibility Guidelines (WCAG 2.1 Level AA) because the format wouldn't let me fake a heading and a browser audits every build, not because anyone scheduled a week for it. The parts Markdown can't check, like color contrast, axe-core catches...
- Asana migrated off testing framework Enzyme in two weeks: without AI, this work would surely have been kicked down the road. Airbnb and Uber share similar stories and AI seems excellent at migrations....
Yesterday
- 807 blog posts across 14 years. That’s how much I’ve published on my blog at the time of this writing. And here’s the question I’ve been turning over in my mind: “How do I convey that kind of volume across time in a more interesting way than a mere reverse-chronological list?”...
- Lots of organizations are excited about what AI can do to streamline their processes, save money, and juice margins. But AI's capabilities are founded on the data that AI accesses, and for many organizations that foundation is little more than sand. Pramod Sadalage and Prem...
- This email is a response to the 50+ podcast pitches that arrived in my inbox just last month, and keep arriving in growing numbers, from PR agencies and marketing teams at various companies. It's also a message to tech founders building stuff for developers: focus on building...
This week
- When and how CSS custom properties are calculated might not be what you expect, and it has a big impact on your styles. The default Take this HTML: <div></div><div class="second-item"> <p>…</p></div> And this CSS: .second-item { --index: sibling-index(); & > :first-child {...
- In October, a new movie will be released based on one of my favorite books, Klara and the Sun. This has happened a lot for me recently (see The Three Body Problem, The Martian, Project Hail Mary, and Tomorrow and Tomorrow and Tomorrow). I know it’s cliché to say that the book is...
- I'm currently working on migrating my open source projects from GitHub to a self-hosted Forgejo instance. As part of this effort I often end up looking through the Forgejo source code to figure out if there are hidden ways to configure certain things to my liking when I can't do...
- Dave Rupert wrote about shipping microlighter: a tool for handling syntax highlighting using the CSS Custom Highlights API. I saw his post the day he released it, and I had an implementation PR up for my blog by end of day. Then, like I do with so many things, I let it sit...
- Modern IDEs let you jump from project to project with ease. Neovim doesn’t have this feature, so folks usually keep a few terminal windows or tabs open or jump between Zellij or tmux multiplexer panes. As you can imagine, there are also a gazillion plugins to fill this gap. None...
- 25 Aug, 2026 I write about journaling a lot, since it’s honestly my most important practice. In my most recent post on the subject I made the case that active recall is an effective way to remember things, whether that be ideas, thoughts, or events. I'd like to expand on that...
- I was listening to Ezra Klein’s interview with Helen Toner about the recent OpenAI hack of Hugging Face and the subsequent discovery that there were swarms of agents inside OpenAI doing unsanctioned activities. One of the points Klein made was that at no point did any of these...
- On my icon gallery sites, I have metadata I’ve manually added over the years to tag certain icons as being predominantly “blue” or “orange” or some other color. Then I use this metadata to present icons of (roughly) the same color. It’s kinda neat to be able to browse a wall of...
- There’s some talk today about how agentic coders are balking at Anthropic’s pricing and adopting alternatives. I was reminded of a thought I had in the weeks following Fable’s release: the free lunch was over. When Moore’s Law was in effect, it didn’t make sense to ruthlessly...
- I try not to give a lot of prescriptive advice about working in tech companies. There are many ways to be successful, and every company works differently. If…
- Aug 21, 2026 My agent.md to improve LLM-assisted code quality The first time I tried to use an LLM to speed up coding was in mid-2025. I was not impressed. I was working on libadbmdns back then, an mDNS implementation in Rust. The code produced would not even compile. I...
- Agents can already edit their tools, skills, and harness. Recursive self-improvement still needs a system that can raise the verifier without capturing it....
- In the last few weeks, I’ve been complaining that everyone is wrong about AI watermarking: it isn’t really anti-consumer and it doesn’t make the outputs any…
- I used an AI agent to make a big update to my GiftyWeddings.com website, taking it from a gift registry to a full website builder in 275 commits....
- In what was predictable: Meta’s layoffs and forced reassignments pushed engineers not impacted by either to look for a new job. Meta is now offering large equity retainers, and it doesn’t seem working...
- A software factory is a repeatable loop around software work. If you’re building a software factory, code good enough to ship still needs human taste and ownership. We’ll discuss this including whether you need a factory just yet. If so: You’ll likely need humans in the loop...
Last week
- In his talk “Why AI Is Breaking Software Security As We Know It” (my notes here), Feross Aboukhadijeh talks about the Axios npm incident and how the maintainer got phished by succumbing to (amongst other things) a faux Microsoft Teams interface: this is the kind of thing that AI...
- Last week I recorded an episode of the Talking Postgres podcast with Claire Giordano on the subject of “How AI is changing software development”. We had a really great conversation. …
- TL;DR Why building an app over the weekend isn't the same as building enterprise software I’ve noticed an interesting gap opening up over the last six months. It isn’t really a gap in technology. It’s a gap in what different people think software engineering actually is. The...
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