GitHub Platform Reliability Concerns
Repeated July and August incidents affected Actions, Pages, and Copilot, with Copilot sometimes remaining unavailable after core services recovered. The August 17 RCA cited load-balancer saturation, Istio sidecar limits, and a VS Code retry bug that amplified Copilot authentication traffic tenfold, increasing the operational importance of dependable agent services.
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Updated Sep 1, 2026