Companies/GitHub Copilot/Incidents

GitHub Copilot: Disruption with some GitHub services

Timeline of updates

1. resolved2026-06-28 20:55 UTC

   From June 26, 2026 at 23:40 UTC through June 28, 2026 at 20:55 UTC, Copilot Cloud Agent was degraded. The agent could fail when reporting progress, replying to pull request comments, or opening pull requests. For affected built-in tool calls, the average error rate was approximately 8%, with hourly error rates peaking around 26%. This was due to a regression introduced during a Copilot Cloud Agent runtime deployment that caused several built-in agent tools to become unavailable. In many cases, the affected tool calls failed silently so agent jobs appeared to succeed. This monitoring gap meant it took longer than expected to identify the failure. We mitigated the incident by reverting the runtime deployment to the previously stable version. We've added monitoring and alerting for this class of tool-availability error to reduce time-to-detection. We're also adding regression tests for these built-in agent tools, and improving the shipping safety for future runtime rollouts to avoid similar issues.

From GitHub Copilot’s published incident history: for incidents before Rewindex began polling this status page, only the final update text is available.

Impact, status and times are the vendor’s own, as last archived. View on www.githubstatus.com (opens in new tab).

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