GitHub experienced a significant outage on August 17, 2026, affecting multiple services including API requests, Git operations, Issues, Pull Requests, Actions, Copilot, and authentication systems. The incident began around 14:00 UTC with high error rates of approximately 20% for web and API traffic, and 50% for downloads. After identifying and addressing the problematic component, services were gradually restored, with full resolution achieved by 21:15 UTC. A root cause analysis was promised to follow.