Current answer
GitHub experienced a minor incident: Disruption with some GitHub services. ServiceAlert observed recovery on Sep 15, 2026.
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Incident Lifecycle
Affected Components
Copilot AI Model Providers
Incident Timeline
Investigating
We continue to monitor intermittent errors affecting Claude Fable 5.1 in some Copilot products and integrated development environments. Customer-facing metrics have recovered, and we are awaiting confirmation from our upstream provider that the issue will not recur. Customers can select another model or Auto in the meantime.
Sep 15, 2026 at 11:09 AM UTC
Investigating
We continue to investigate intermittent errors affecting Claude Fable 5.1 in some Copilot products and integrated development environments. Customers can use another model or select Auto while we monitor the situation.
Sep 15, 2026 at 10:32 AM UTC
Investigating
Copilot AI Model Providers is experiencing degraded performance. We are continuing to investigate.
Sep 15, 2026 at 10:20 AM UTC
Monitoring
We are investigating degraded availability for Claude Fable 5.1, affecting some Copilot products and integrated development environments. The issue is caused by a problem with our upstream model provider. Customers can use another model or select Auto while we investigate.
Sep 15, 2026 at 9:48 AM UTC
Investigating
We are investigating reports of impacted performance for some GitHub services.
Sep 15, 2026 at 9:47 AM UTC
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