GitHub experienced a minor incident on April 27, 2026, lasting 2h 14m. The incident has been resolved; the full update timeline is below.
Update timeline
- investigating Apr 27, 2026, 04:48 PM UTC
We are investigating reports of impacted performance for some GitHub services.
- investigating Apr 27, 2026, 05:01 PM UTC
Copilot Cloud Agent (CCA) jobs using the Codex agent are failing after starting. To avoid this issue, please choose a different agent. We are investigating the cause and working towards remediation
- investigating Apr 27, 2026, 05:26 PM UTC
We've found the issue and are working on deploying a solution to get Codex agent runs working again.
- monitoring Apr 27, 2026, 07:01 PM UTC
The degradation has been mitigated. We are monitoring to ensure stability.
- resolved Apr 27, 2026, 07:02 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.