GitHub Enterprise Cloud - EU Outage History

GitHub Enterprise Cloud EU experienced degraded availability for the Claude Opus 4.7 model across Copilot Chat, VS Code, and other Copilot products due to an upstream model provider issue. Users were recommended to select alternative models or use 'Auto' mode to continue using Copilot during the disruption. The incident was resolved after 58 minutes of investigation and coordination with the upstream provider.

GitHub Enterprise Cloud EU experienced a major incident where Copilot Code Review was failing, with users encountering "Copilot ran into an error" messages on pull requests that requested code reviews. The service degradation affected Copilot Code Review functionality for approximately 2 hours, requiring customers to re-request reviews and cancel any Actions runs that had been running for longer than 20 minutes. The issue was resolved through a mitigation that was fully deployed, restoring normal operation for new code reviews.

GitHub Enterprise Cloud EU experienced performance issues affecting some GitHub services, including Spark, for 3.6 hours. The incident was investigated and resolved, with GitHub promising to provide a detailed root cause analysis once available.

GitHub Enterprise Cloud - EU experienced delays affecting code scanning runs, billing updates, email notifications, and mobile push notifications due to issues with their job processing architecture. The incident lasted 9.1 hours, with code scanning and notifications recovering partway through while billing delays persisted longer. GitHub applied multiple infrastructure-level mitigations and gradually restored normal processing rates, with the incident fully resolved after identifying and addressing the root cause.

GitHub Enterprise Cloud EU experienced degraded performance for Copilot code completions, affecting users' ability to receive timely AI-powered coding suggestions. The incident was classified as major and impacted the Copilot service for 48 minutes. The issue was resolved and GitHub indicated a detailed root cause analysis would be provided.

GitHub Enterprise Cloud EU experienced degraded performance affecting Copilot services, including the Copilot Cloud Agent and Copilot Code Review features. The incident lasted 11 minutes and was classified as a minor disruption. The service team investigated the performance issues during this period.

GitHub Enterprise Cloud EU experienced degraded performance affecting Actions, Issues, and Webhooks services for 25 minutes. Issues and Webhooks were restored to normal operation first, followed by Actions which required additional mitigation efforts. The incident was fully resolved with all services returning to normal functionality.

GitHub Enterprise Cloud EU experienced degraded performance affecting Copilot services for 50 minutes. The issue was mitigated and resolved after investigation, with monitoring to ensure stability. A detailed root cause analysis will be provided once available.

GitHub Enterprise Cloud EU experienced degraded Git Operations performance for 35 minutes, with some Git pushes failing due to high load on repository storage hosts. The issue was caused by background jobs that had stopped running and created excessive load when restarted, particularly affecting the Central US and Sweden Central regions. The incident was resolved after all background jobs completed and systems returned to normal performance.

GitHub Enterprise Cloud EU experienced a major service disruption lasting 41 minutes, affecting the ability to start and view Copilot Cloud Agent sessions along with performance issues across some GitHub services. The incident was resolved after investigation, with GitHub promising to provide a detailed root cause analysis once available.