"output is up. So is the rest of it: code churn up ~860%, incidents per change up ~245%, bugs per developer up ~55%. They call the pattern the Acceleration Whiplash, and it isn't a developer problem. It's a system one."
-- Kent Beck

substantial experiment: https://www.faros.ai/blog/ai-acceleration-whiplash-takeaways?utm_source=fnf&utm_medium=linkedin&utm_campaign=faros-june&utm_term=kbeck&utm_content=whitepaper

The AI Engineering Report 2026: The AI Acceleration Whiplash - Ten Takeaways

What two years of telemetry data from 22,000 developers reveals about AI's real impact on developer productivity, code quality, and business risk in 2026.