Disruption with Copilot Coding Agent Sessions

Major Impact Investigating Ongoing March 20, 2026

Incident Lifecycle

Investigating Investigating Investigating

Incident Timeline

Investigating
We are rolling out our mitigation and are seeing recovery.
Mar 20, 2026 at 1:26 AM UTC
Investigating
We are seeing widespread issues starting and viewing Copilot Agent sessions. We understand the cause and are working on remediation.
Mar 20, 2026 at 1:00 AM UTC
Investigating
We are investigating reports of impacted performance for some GitHub services.
Mar 20, 2026 at 12:58 AM UTC
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