GitHub change history: Incident with GitHub.com

GitHub reported a critical outage affecting Issues, Pull Requests, APIs, Actions and Copilot, with elevated errors and latency. Peak web/API error rates were approximately 20%; archive and raw-content downloads reached approximately 50%. It started 2026-08-17 13:40 UTC and was resolved at 2026-08-17 21:15 UTC, lasting 7 h 35 min.