GitHub Copilot · 50d ago
Disruption with Copilot Code Review
ResolvedYes — GitHub Copilot had a problem on September 4, 2026, and GitHub Copilot has since marked it resolved. GitHub Copilot's latest word: “On September 4, 2026, between 20:04 and 22:26 UTC, GitHub Copilot code review experienced an increased failure rate. Affected pull request reviews failed to complete or post review comments.<br /><br />The incident was caused by a change to the service’s authentication permissions that prevented it from submitting affected reviews to the GitHub API. We reverted the change and restored normal operation by 22:26 UTC.<br /><br />We apologize for the disruption.”
Timeline
Started: 9/4/2026, 8:39:03 PM
Last update: 9/9/2026, 5:07:58 PM
Resolved: 9/4/2026, 10:26:46 PM
Updates
resolved
On September 4, 2026, between 20:04 and 22:26 UTC, GitHub Copilot code review experienced an increased failure rate. Affected pull request reviews failed to complete or post review comments.<br /><br />The incident was caused by a change to the service’s authentication permissions that prevented it from submitting affected reviews to the GitHub API. We reverted the change and restored normal operation by 22:26 UTC.<br /><br />We apologize for the disruption.
9/4/2026, 10:26:46 PM
monitoring
The degradation has been mitigated. We are monitoring to ensure stability.
9/4/2026, 10:25:44 PM
investigating
We are applying the mitigation and expect recovery within approximately 30 minutes.
9/4/2026, 9:54:22 PM
investigating
Some users may be experiencing failures when using Copilot code review. We have identified the root cause and are working on a mitigation.
9/4/2026, 8:57:53 PM
investigating
We are investigating reports of impacted performance for some GitHub services.
9/4/2026, 8:39:03 PM
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