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Disruption with Copilot next edit suggestions
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Timeline
Incident updates
Every update GitHub posted, oldest to newest, exactly as it appeared on their official status page.
Investigating
We are investigating reports of impacted performance for some GitHub services.
Investigating
We have identified a likely cause and are applying a mitigation
Investigating
We have applied mitigation and are seeing recovery
Monitoring
The degradation has been mitigated. We are monitoring to ensure stability.
Resolved
On June 17, 2026, between 16:57 UTC and 19:14 UTC, Copilot code completions were degraded and users were unable to receive Next Edit Suggestions. Standard ghost text code completions were not affected. This was due to a configuration change that caused the service's routing layer to incorrectly discard all Next Edit Suggestion model endpoints as invalid.<br /><br />We mitigated the incident by deploying a corrected configuration change at 18:55 UTC, with full recovery observed at 19:14 UTC.<br /><br />We are working to improve the resilience of our routing layer to limit impact due to a subset of invalid configurations, and to improve our alerting to detect sudden traffic changes that are not captured by standard error rate monitors.
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