GitHub Copilot change history: Intermittent failures creating agent tasks

GitHub Copilot reported a critical incident starting 2026-08-20 14:43 UTC, resolved 2026-08-21 00:37 UTC (9 h 54 min). Some Copilot Cloud Agent users saw task status/results delayed up to 60–90 minutes, while tasks continued running and completing. GitHub cited a regional third-party cloud database outage and deployed a fix.