GitHub availability report: May 2026

GitHub has been actively working on enhancing its infrastructure to improve reliability and resilience due to rapidly increasing traffic, largely fueled by AI-assisted development workflows. The company is transitioning to Azure for scalability, breaking down its monolithic architecture into isolated services, and addressing shared points of failure. In May, GitHub faced nine incidents that caused performance degradation across various services, such as pull requests, GitHub Actions, and Copilot, primarily due to database migrations, configuration changes, and upstream provider issues. The incidents were managed through a combination of automated monitoring, manual interventions, and infrastructure improvements. GitHub has outlined several measures to prevent recurrence, including improved throttling behaviors, enhanced monitoring, and system resilience upgrades. The overarching principle guiding these efforts is prioritizing availability, capacity, and features in that order, as GitHub aims to maintain reliability and meet user expectations.

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