Grammarly change history: AI Grader and Citation Finder agents are not working as expected.

Grammarly reported a major disruption affecting AI Grader and Citation Finder agents, listing Generative AI assistance and Grammarly Editor as affected components. It started at 2025-10-23 19:17 UTC and was resolved at 2025-10-23 22:37 UTC, lasting 3 h 19 min. Grammarly said it identified the root cause but did not disclose it or the fix.