Outage in GitHub
Incident with CodeQL, Webhooks, Notifications, and Slack Integration
Resolved MinorIncident Report
Summary AI Generated
GitHub experienced degraded performance affecting CodeQL, Webhooks, Actions, notifications, and Slack integration for 3.1 hours. CodeQL actions were experiencing delays and getting stuck in pending states or failing due to timeouts. The issue was traced to problems with a queuing service, which was resolved by scaling out the infrastructure, with all services gradually recovering and returning to normal operation.
We are investigating reports of degraded performance for CodeQL
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Latest Updates ( sorted recent to last )
RESOLVED
about 1 hour ago - at 05/12/2026 05:43PM
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.
INVESTIGATING
about 2 hours ago - at 05/12/2026 04:59PM
CodeQL has fully recovered. We're continuing to work on recovery for the remaining impacted services.
INVESTIGATING
about 2 hours ago - at 05/12/2026 04:29PM
Webhooks have fully recovered. Continuing to work on recovery for the other services.
INVESTIGATING
about 2 hours ago - at 05/12/2026 04:28PM
Webhooks is operating normally.
INVESTIGATING
about 3 hours ago - at 05/12/2026 04:18PM
We've established that most delays are related to a queuing service and are working to scale out. Early signals from the scale-out are showing signs of recovery for some services. We'll provide an update when services are fully recovered.
INVESTIGATING
about 3 hours ago - at 05/12/2026 03:44PM
Webhooks is experiencing degraded performance. We are continuing to investigate.
INVESTIGATING
about 3 hours ago - at 05/12/2026 03:42PM
We're continuing to investigate issues with CodeQL actions workflows. We're additionally seeing delays for notifications, webhooks, and the Slack integration.
INVESTIGATING
about 4 hours ago - at 05/12/2026 03:13PM
CodeQL actions are currently experiencing delays, which may result in those actions being stuck in a pending state or having failed due to a timeout.
INVESTIGATING
about 4 hours ago - at 05/12/2026 02:38PM
We are investigating reports of degraded performance for CodeQL
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