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News
I ran my scanner against 5 real CVEs. It missed 4. Then I reverted my own fix.
8+ hour, 55+ min ago (657+ words) Why this post is different from the last one The last write-up in this series announced four tools. This one is about what happened when I stopped writing tests for my own tools and started checking one of them against…...
I Scored Retry Loops. Boundedness Was Optional.
12+ hour, 26+ min ago (1004+ words) Boundedness failed first. Not the model. Not the schema. The ceiling. I stopped asking whether an agent was "actually thinking" and started asking a dumber question that still draws blood. Does this while ever stop if the tool hangs? That…...
CUPED: How to Make Your A/B Test Smarter Without Finding More Users
8+ hour, 18+ min ago (694+ words) An intuitive, no-heavy-math guide to one of the most useful ideas in product experimentation to not get DUPED. Imagine you’re a …...
When I Entrusted TDD to an AI Agent
14+ hour, 2+ min ago (1640+ words) When I first started using AI agents for software development, I kept a clear division of responsibilities. I wrote the tests. The agent implemented the production code and helped me refactor it. At the time, I was using Aider through…...
Why CI/CD Is Changing the Role of QA Engineers in 2026
12+ hour, 6+ min ago (35+ words) Testing is moving into the delivery pipeline. Here are the CI/CD skills QA engineers need to build, automate, debug, and improve software …...
Why Your AI Agent Works in Testing but Breaks in Production
13+ hour, 23+ min ago (22+ words) Make AI agents production-ready with OpenTelemetry: trace agent decisions, add custom spans, gate output quality in CI/CD, and block prompt injection....
Agile Testing Quadrants Need a Third Axis
1+ day, 3+ hour ago (827+ words) Your team shipped a feature last sprint that was scaffolded by an AI coding assistant, tested by an AI test generator, and merged after a reviewer skimmed the diff for ten minutes. Two hundred tests passed. Nobody on the team…...
Nothing could start without the dependency we had filed as optional
23+ hour, 33+ min ago (207+ words) Our configuration service was tier three. No SLO, no pager, a single replica for a long time, and a line in the architecture document describing it as a soft dependency because clients cache their values and can carry on if…...
The version number that promised nothing had changed
23+ hour, 35+ min ago (197+ words) Six services failed to start within about forty minutes of each other on a Wednesday morning, all with the same error about a missing configuration key. None of them had been deployed. All of them had been rebuilt overnight by…...
Engineering a Definition of Done for AI-Built Applications
23+ hour, 33+ min ago (31+ words) A preview can look complete. A delivery contract needs evidence. AI can generate a screen that looks finished long before it generates an …...