GitHub change history: Intermittent failures creating agent tasks

GitHub’s critical Copilot Cloud Agent incident started at 2026-08-20 14:43 UTC and resolved at 2026-08-21 00:37 UTC, lasting 9 h 54 min. Task status and results were delayed by up to 60 to 90 minutes; tasks continued running and completing. GitHub cited a regional third-party cloud database outage and deployed a fix.