GitHub Copilot: Degradation with Gemini 3.8 Flash

GitHub Copilot · github.comImpact: majorResolved2026-09-16 17:48 UTC

Public — what happened

Summary

GitHub Copilot reported a major degradation affecting its Gemini 3.8 Flash model, beginning at 07:20 UTC on 2026-09-16. The company did not say which users were affected or what caused the problem. GitHub Copilot marked the incident as resolved at 17:48 the same day and said it plans to publish a root cause analysis once one is ready.

Timeline

Started — 2026-09-16 07:20 UTC
Last update — 2026-09-16 17:48 UTC
Resolved — 2026-09-16 17:48 UTC

Source of record: provider status page. Summary written by SquidGrid from the provider’s published updates; times in UTC.

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