GitHub Blog
7/10/2026
How GitHub reshaped Copilot code review workflows after a tool migration degraded quality
Original: Better tools made Copilot code review worse. Here’s how we actually improved it.
Short summary
GitHub shares how migrating Copilot code review to shared Unix-style code exploration tools initially degraded review quality. The team then reshaped agent workflows around pull request evidence, which reduced review cost and improved outcomes. The post details the engineering trade-offs of tool migration in AI-assisted code review.
- •Migrating Copilot code review to Unix-style tools initially worsened performance
- •Reshaping agent workflows around PR evidence reduced review cost
- •Post covers practical engineering trade-offs in AI code review tooling
Generated with AI, which can make mistakes.
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