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Engineering insights, product updates, and lessons learned.

Fable 5 Rewrites 50M Lines in a Day. Who Reviews It?
Stripe's AI migration exposes a critical truth: AI writes code faster than humans can safely review it. Here's what that means for your team.

Engineers Pick the Smaller PR. AI Ones Wait 5x Longer.
Engineers avoid AI-generated PRs 5x longer than human ones. Here's why context gaps are killing your cycle time—and how to fix it.

AI Made Your PRs 33% Bigger. Reviews Got Worse.
AI made PRs 33% bigger, dropping bug detection from 87% to 28%. Here's how to fix code reviews before they break your production deploys.

AI Writes the Happy Path. Who Reviews the Rest?
AI code looks perfect but fails in production. 60% of AI bugs are silent failures that pass tests but break when users do unexpected things.

AI Doubled Your PRs. Now What?
AI coding tools increased PR volume 98% while review times grew 91%. Teams need context-aware PR reviews, not just diff analysis, to maintain code quality.

PR Reviews Take 91% Longer. Here's Why.
AI coding tools merged 98% more pull requests but increased review times 91%. The bottleneck moved—now it's review capacity, not code generation speed.