GitHub Enterprise Cloud AU incident
Disruption with some GitHub services
GitHub Enterprise Cloud AU experienced a minor incident on September 15, 2026 affecting prod-ae-01 - Copilot AI Model Providers (Copilot AI Model Providers), lasting 57m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Sep 15, 2026, 10:20 AM UTC
We are investigating reports of degraded performance for Copilot AI Model Providers
- investigating Sep 15, 2026, 10:32 AM UTC
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.
- investigating Sep 15, 2026, 11:09 AM UTC
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...
- investigating Sep 15, 2026, 11:17 AM UTC
The issues with our upstream model provider have been resolved, and Claude Fable 5.1 is once again available in Copilot products and IDE surfaces. We will continue monitoring to ensure stability, but mitigation is complete.
- resolved Sep 15, 2026, 11:17 AM UTC
This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A detailed root cause analysis will be shared as soon as it is available.