GitHub outage: Disruption with Copilot Code Review

1. resolvedSep 4, 2026, 22:26 UTC

   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.

2. monitoringSep 4, 2026, 22:25 UTC

   The degradation has been mitigated. We are monitoring to ensure stability.

3. investigatingSep 4, 2026, 21:54 UTC

   We are applying the mitigation and expect recovery within approximately 30 minutes.

4. investigatingSep 4, 2026, 20:57 UTC

   Some users may be experiencing failures when using Copilot code review. We have identified the root cause and are working on a mitigation.

5. investigatingSep 4, 2026, 20:39 UTC

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

What APIStatus.watch saw

Our 5-minute checks didn't record a change in GitHub's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

• Elasticsearch: Replication bug causing slow recoveriesMajor · Sep 1, 2026, 08:16 UTC
• MongoDB Atlas: Impaired Cluster operations in AWS me-central-1 and AWS me-south-1Major · Sep 3, 2026, 16:44 UTC
• Expo: Elevated Linux worker queue timesMajor · Sep 4, 2026, 16:05 UTC
• Grafana Cloud: Degradation of Hosted Grafana in US Central RegionMajor · Sep 4, 2026, 17:03 UTC
• OVHcloud: [EU-SOUTH-MIL][Containers & Orchestration] - Managed Private Registry incident notificationMinor · Aug 26, 2026, 15:00 UTC
• Snowflake: INC20000150Minor · Aug 28, 2026, 00:07 UTC
• Telnyx: Intermittent delays for some outbound messagesMinor · Sep 2, 2026, 21:33 UTC
• Akamai: Application Load Balancer reporting availability issuesMinor · Sep 4, 2026, 06:14 UTC
• ElevenLabs: Increase in latency in the Global Residency for Speech-to-Text and Dubbing requestsMinor · Sep 4, 2026, 13:55 UTC
• Grafana Cloud: US Central Region InstabilityMinor · Sep 4, 2026, 16:45 UTC

How often does GitHub have incidents?

GitHub reported 49 incidents in the last 90 days, 15 of them major or critical. A typical incident lasted 1h 16m. See GitHub's uptime and incident history