GitHub Copilot Code Review encounters critical performance issues

GitHub is investigating reports of impacted performance affecting its Copilot Code Review service.

By The Downtime · Sep 28, 2026 · 9:30 PM ·Updated 2 weeks ago

GitHub's Copilot Code Review service is experiencing critical-level performance issues and is currently unable to complete reviews. The company is actively investigating the incident.

GitHub, owned by Microsoft, provides cloud-based version control and developer collaboration tools used by millions of software developers and organizations worldwide.

According to the official status page, GitHub began investigating reports of impacted performance for some services. The company has identified a problematic change and a revert is currently in flight, with full recovery expected once the deployment is complete.

This is a developing story. The Downtime will continue to monitor updates from GitHub's status page.

🕒 Live updates (4)

resolved Sep 28, 10:08 PM

This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A detailed root cause analysis will be shared as soon as it is available.

investigating Sep 28, 10:08 PM

Copilot Code review has recovered, for reviews that were previously not successful you can re-request review from your PR.

investigating Sep 28, 9:23 PM

Revert of the impacted change is in flight, expect full recovery once the deployment is done.

investigating Sep 28, 9:16 PM

We are investigating reports of impacted performance for some GitHub services.

📎 Sources

GitHub status ↗

Outage details are aggregated from official provider status pages. The Downtime reports them as a public service and is not affiliated with the providers named.