What Happened
GitHub experienced an outage on April 23, 2026. The incident lasted approximately 1 hour 20 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 |
|---|---|---|
| 22:09 | Investigating | We have identified the root cause of the disruption affecting Copilot Coding Agent and Issues. A fix is being deployed. |
| 20:37 | Investigating | We have identified the root cause of the disruption affecting Copilot Coding Agent and Issues. Copilot @-mentions on pull requests are not being processed, and some issue-related functionality may ... |
| 20:02 | Investigating | Copilot @-mentions on pull requests are currently not being processed by Copilot Cloud Agent. We have found the issue and are investigating remediations. |
| 19:55 | Investigating | Issues is experiencing degraded performance. We are continuing to investigate. |
| 19:53 | Investigating | We are investigating reports of impacted performance for some GitHub services. |
| 15:02 | Monitoring | The degradation affecting Actions, Codespaces, Copilot and Packages has been mitigated. We are monitoring to ensure stability. |
| 15:02 | Investigating | A mitigation was applied and services have recovered. Actions is working through queued work before fully recovering. |
| 14:51 | Investigating | Users are experiencing errors loading various web pages on github.com. Actions and Copilot Cloud Agent runs will be delayed. |
| 14:44 | Investigating | Copilot is experiencing degraded performance. We are continuing to investigate. |
| 14:42 | Investigating | Codespaces is experiencing degraded performance. We are continuing to investigate. |
| 14:41 | Investigating | Packages is experiencing degraded performance. We are continuing to investigate. |
| 14:40 | Investigating | We are investigating reports of degraded performance for Actions |
| 17:10 | Investigating | Webhooks is operating normally. |
| 17:04 | Investigating | Many services are mitigated and are validating the remaining services. |
| 17:03 | Investigating | The degradation affecting Actions and Copilot has been mitigated. We are monitoring to ensure stability. |
| 16:52 | Investigating | We have identified the root problem and are working on mitigation. |
| 16:34 | Investigating | Actions is experiencing degraded performance. We are continuing to investigate. |
| 16:19 | Investigating | We are investigating multiple unavailable services. |
| 16:12 | Investigating | We are investigating reports of degraded availability for Copilot and Webhooks |
| 17:36 | Resolved | All systems operational |
Impact
The outage lasted approximately 1 hour 20 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 →