GitHub (@github) announced a major update to Copilot Code Review via its official Changelog. Enterprise teams can now establish custom team policy rules, granular path filters, and risk thresholds to catch security defects and architecture violations while significantly reducing noise on non-critical files.

Key Takeaways

  • ✓Supports glob file path and branch matching rules to exclude documentation, mocks, and vendor assets.
  • ✓Introduces custom architectural rules (e.g., banning direct raw SQL queries in controller layers).
  • ✓Tight integration with PR Status Checks to automatically block merging non-compliant pull requests.
  • ✓Comprehensive configuration guides published on GitHub Docs for immediate enterprise adoption.
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Project Links & Resources

Direct Access
Direct access to official project resources and documentation
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GitHub Changelog 官方公告
github.blog/changelog/2026-09-23-copilot-code-review-more-ways-to-request-and-configure-reviews
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GitHub Copilot 官方配置文档
docs.github.com/en/copilot
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In-Depth Technical Analysis

Core Background & Industry Pain Points Automated AI code review tools frequently suffer from alert fatigue by commenting indiscriminately on vendor files, test fixtures, and documentation. Furthermore, general models lack awareness of company-specific architectural constraints, leading to missed architectural violations. ### Architecture Highlights & Internals GitHub's update introduces a declarative policy engine configured via .github/copilot-review.yml. Path globbing excludes irrelevant files, while custom rules allow engineering leads to define natural-language policies (e.g., enforcing ORM usage over raw queries). High-risk findings integrate directly with GitHub PR status checks to gate deployments. ### Authoritative Benchmarks & Measured Scores In enterprise evaluations across thousands of repositories, the new policy rules reduced review comment noise by 64% while improving pre-merge detection of architectural violations from 32% to 89%. ### Developer Hands-on Guide Repository maintainers can commit a .github/copilot-review.yml file with custom inclusion paths and rules, enabling automated rule verification directly in everyday GitHub pull request workflows.

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