Disruption with Copilot for access to some models

Updates timeline

1. Investigating Aug 10, 08:27 PM UTC

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

2. Monitoring Aug 10, 08:39 PM UTC

   We are currently investigating reports of some Copilot users experiencing issues accessing certain models. Affected users may see errors or degraded functionality when attempting to use specific models. We are actively working on a fix and will provide updates as we have more information.

3. Monitoring Aug 10, 08:49 PM UTC

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

4. Monitoring Aug 10, 09:19 PM UTC

   The issue has been mitigated across all affected environments. We are currently deploying on a fix to prevent reoccurrence. We will provide another update once the fix has been deployed.

5. Monitoring Aug 10, 09:50 PM UTC

   We have deployed and validated the fix to prevent immediate reoccurrence. We will be performing additional work to limit these kinds of failures in the future.

6. Resolved Aug 10, 09:50 PM 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.