GitHub Enterprise Cloud US incident
[Backfill] US - Disruption with Copilot Coding Agent Sessions
GitHub Enterprise Cloud US experienced a major incident on March 20, 2026, lasting 1h. The incident has been resolved; the full update timeline is below.
Update timeline
- investigating Mar 20, 2026, 12:58 AM UTC
We are investigating reports of impacted performance for some GitHub services.
- investigating Mar 20, 2026, 01:00 AM UTC
We are seeing widespread issues starting and viewing Copilot Agent sessions. We understand the cause and are working on remediation.
- investigating Mar 20, 2026, 01:26 AM UTC
We are rolling out our mitigation and are seeing recovery.
- resolved Mar 20, 2026, 01:58 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.