GitHub Copilot change history: Incident with Copilot AI Model Providers

GitHub reported a critical degradation affecting Kimi K3 in Copilot products and IDE surfaces, with elevated error rates; no other models were impacted. The incident started at 2026-08-27 10:04 UTC and was resolved at 2026-08-27 12:12 UTC, lasting 2 h 8 min. GitHub attributed it to an upstream provider issue, resolved through the provider’s mitigation.