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AI Engineer May 16, 2026

Beyond Code Coverage: Functionality Testing with Playwright MCP — Marlene Mhangami, Microsoft

Summary

Marlene, a senior developer advocate at Microsoft and GitHub, discusses the explosive growth of code commits on GitHub, highlighting that in 2026 the platform is projected to see approximately 14 billion commits. The transcript references a Stanford University study of 120,000 developers, which reveals that AI can enhance developer productivity, but its effectiveness depends critically on how it is implemented. The key takeaway is that AI's impact on coding is not just about quantity of code, but quality: clean code bases amplify AI gains, while unchecked AI usage can increase complexity and entropy, potentially leading to more time spent on refactoring and maintaining code.

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