Disruption with Copilot Code Review

Copilot

1. 4 Sep 22:26 UTCResolvedOn 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.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.We apologize for the disruption.
2. 4 Sep 22:25 UTCMonitoringThe degradation has been mitigated. We are monitoring to ensure stability.
3. 4 Sep 21:54 UTCUpdateWe are applying the mitigation and expect recovery within approximately 30 minutes.
4. 4 Sep 20:57 UTCUpdateSome users may be experiencing failures when using Copilot code review. We have identified the root cause and are working on a mitigation.
5. 4 Sep 20:39 UTCInvestigatingWe are investigating reports of impacted performance for some GitHub services.

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