CompaniesGitHub CopilotIncidents
GitHub Copilot: Disruption with some GitHub services
Timeline of updates
- resolved
On May 26, 2026, between 15:10 UTC and 16:35 UTC the Copilot service was degraded and many models were no longer available for use. On average, the error rate was ~5% and peaked at 11% of requests to the service. This was due to a change that introduced a configuration mismatch in HMAC signing credentials which caused the list of available models to be truncated. This was mitigated by rolling back the change. This rollback was complete by 15:34 UTC though users continued to see impact until cache TTLs expired. We are working to improve our monitoring and error handling to reduce time to detection and better experience for issues like this in the future.
From GitHub Copilot’s published incident history: for incidents before Rewindex began polling this status page, only the final update text is available.
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This incident predates live tracking (October 17, 2026). It came from the vendor’s own published history, which is not covered by checkpoints.
Impact, status and times are the vendor’s own, as last archived. View on www.githubstatus.com (opens in new tab).
Cite this
Status incident (vendor impact label: minor) posted by GitHub Copilot, started 2026-05-26 15:44 UTC, resolved after 51 min, 1 update(s).
- Title
- Disruption with some GitHub services
- Vendor
- GitHub Copilot
- Date
- URL
- https://rewindex.com/company/github-copilot/incidents/xflkh26pm7vv
GitHub Copilot profileRecent GitHub Copilot incidentsAll outages on May 26, 2026GitHub Copilot in May 2026MarkdownJSON