Incident with API, Git, and Copilot requests

GitHub reported degraded performance across its API, Issues, and Copilot services on Nov 3, 2025, with the first public notice at 13:25 UTC stating the company was investigating reports of degraded performance for Copilot. GitHub said by 13:51 UTC that the Copilot degradation had been mitigated, reported Issues degradation at 13:42 UTC and its mitigation at 13:43 UTC, and said API requests were operating normally at 13:52 UTC, with monitoring continuing as of 13:54 UTC. The incident affected developers relying on GitHub's API and Copilot coding assistant during the roughly 30-minute window.