Revert the Fix, Keep the Tests: A Three-Tree Differential Gate for Agent Patches A green suite after an agent patch tells you the suite is green. It does not tell you the patch is why. To get that, run the same suite three times: on the parent commit, on the patched commit, and on a third tree ...

TechnologyDev.to• 5m ago

Seed Five Mutations Before You Trust a Characterization Test

Seed Five Mutations Before You Trust a Characterization Test A green characterization suite proves nothing by itself. Prove the suite can fail before you trust it. Seed deliberate mutations into the messy code, then keep only the refactors your harness actually catches.

TechnologyDev.to• 5m ago

EU AI Office starts AI Act checks on OpenAI and Anthropic

The European Union's AI Office has sent OpenAI and Anthropic formal requests for information under the AI Act, the bloc's law on artificial intelligence. Henna Virkkunen, the European Commission's Executive Vice-President, announced the step on October 14, 2026 at the International AI Summit in ...