Incident with CodeQL

Updates timeline

1. Investigating May 13, 02:41 PM UTC

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

2. Investigating May 13, 02:43 PM UTC

   We are investigating delays affecting CodeQL, the code analysis engine used by Code Scanning. Some users may experience delayed or incomplete code scanning results. Our engineering team is investigating. We will provide another update by 15:15 UTC.

3. Investigating May 13, 02:58 PM UTC

   We have applied a mitigation to increase processing capacity. We are continuing to monitor to confirm full recovery. We will provide another update by 15:30 UTC.

4. Monitoring May 13, 03:26 PM UTC

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

5. Monitoring May 13, 03:30 PM UTC

   CodeQL impact has been mitigated. We are continuing to monitor for durable recovery.

6. Resolved May 13, 04:03 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.