GitHub has experienced repeated service disruptions in 2026, with multiple degradations in early October affecting Actions, pull requests, webhooks, and enterprise migrations, following larger outages in August and earlier months. These stem primarily from traffic spikes tied to AI features like Copilot, combined with challenges scaling the monolith architecture, unvetted dependency updates, and abusive automated traffic. GitHub has responded with mitigations such as offloading anonymous reads, enhanced rate limiting at the gateway, and infrastructure failover improvements, though analysts note that availability remains the top priority amid growing developer and AI workloads. Upcoming catalysts include further database and scaling rollouts that could either stabilize operations or trigger additional short-term issues.