# Disruption with Copilot next edit suggestions

- Provider: [GitHub](https://down.guide/github)
- Level: confirmed
- Impact: Degraded
- lasted 1h 30m
- started 2026-06-17 17:57 UTC
- id: DWN-7dc8c0df96
- Official page: https://stspg.io/7tn8k5v6kzjj

## Updates from GitHub
### 2026-06-17 17:57 UTC: investigating
We are investigating reports of impacted performance for some GitHub services.

### 2026-06-17 18:40 UTC: investigating
We have identified a likely cause and are applying a mitigation

### 2026-06-17 19:09 UTC: investigating
We have applied mitigation and are seeing recovery

### 2026-06-17 19:14 UTC: monitoring
The degradation has been mitigated. We are monitoring to ensure stability.

### 2026-06-17 19:28 UTC: 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.
We mitigated the incident by deploying a corrected configuration change at 18:55 UTC, with full recovery observed at 19:14 UTC.
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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