What Happened
GitHub experienced an outage on June 17, 2026. The incident lasted approximately 50 minutes.
World's largest source code hosting platform with version control, CI/CD (Actions), code review, project management, and AI coding assistant (Copilot).
Timeline
| Time (UTC) | Status | Details |
|---|---|---|
| 18:00 | Monitoring | The degradation affecting Copilot AI Model Providers has been mitigated. We are monitoring to ensure stability. |
| 17:47 | Investigating | We are experiencing degraded availability for the Opus 4.8 model in Copilot products and IDE surfaces. This is due to an issue with an upstream model provider. While we work with them to resolve th... |
| 17:45 | Investigating | We are investigating reports of degraded availability for Copilot AI Model Providers |
| 04:26 | Investigating | We've applied a mitigation to unblock Copilot functionality. Users may start to see signs of recovery. Relaunching your client should accelerate signs of recovery. We will continue to monitor the s... |
| 03:52 | Investigating | We are experiencing degraded availability for chat & agent models in Copilot. Multiple models are impacted and customers may experience requests failing. We are investigating and will provide an up... |
| 03:50 | Investigating | We are investigating reports of degraded availability for Copilot |
| 04:47 | Resolved | All systems operational |
Impact
The outage lasted approximately 50 minutes. GitHub runs on Azure — check those status pages if you experienced cascading issues.
Resolution
GitHub has recovered and is now operational.
What To Do Next
- View GitHub live status and outage history
- Set up alerts to get notified instantly next time GitHub has an issue
- Compare GitHub reliability with other services
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This post was automatically generated by ServiceAlert.ai's monitoring system. View live status →