Enhanced Security and Flexibility in GitHub Copilot Code Review
July 19, 2026

Introducing Firewall and Custom Configurations in Copilot Code Review
GitHub’s Copilot Code Review has undergone notable enhancements to boost both security and flexibility. A new firewall mechanism has been integrated, providing stronger controls around the review environment.
Tailored Setup and Independent Runner Configurations
Developers can now define custom setup steps and configure independent runners specific to their workflows. This customization allows teams to optimize their code review pipelines according to unique project needs.
Reading Custom Instructions from the Head Branch
An important feature addition is the ability for Copilot to read custom instructions directly from the head branch of pull requests. This capability simplifies testing and validation, enabling easier adjustments without impacting the base branch.
These updates reflect GitHub’s ongoing commitment to empowering developers with tools that cater to complex and secure development requirements.