GitHub Enterprise Cloud US experienced a major incident on August 18, 2026 affecting prod-cus-01 - Actions (Actions), lasting 5h 15m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Aug 18, 2026, 06:36 AM UTC
We are investigating reports of degraded performance for Actions
- investigating Aug 18, 2026, 06:49 AM UTC
We are currently investigating an issue affecting some GitHub Enterprise Cloud (GHEC) with data residency customers.
- investigating Aug 18, 2026, 08:37 AM UTC
The team continues to investigate issues with some Actions jobs being queued for a long time and a percentage of jobs failing. We will continue providing updates on the progress towards mitigation.
- investigating Aug 18, 2026, 09:38 AM UTC
The team continues to investigate issues related to Larger Runners, with some Actions jobs being queued for a long time and a percentage of jobs failing. We will continue providing updates on the progress towards mitigation.
- investigating Aug 18, 2026, 10:22 AM UTC
We have identified the source of a communication issue between Actions services and are working toward mitigation. Larger Runners remain impacted, with some Actions jobs being queued for a long time and a percentage of jobs failing.
- investigating Aug 18, 2026, 11:05 AM UTC
We have applied a mitigation and are seeing recovery signals in the target region. We are now working to apply the mitigation to the remaining regions and will continue to monitor for recovery.
- investigating Aug 18, 2026, 11:49 AM UTC
The degradation affecting Actions has been mitigated. We are monitoring to ensure stability.
- resolved Aug 18, 2026, 11:51 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.