Grammarly change history: Chat is not working at go.superhuman.com

Chat at go.superhuman.com failed to load for some users, affecting Superhuman Go & Agents in a major-impact outage. It started at 2026-09-22 13:46 UTC and was resolved at 2026-09-22 14:50 UTC, lasting 1 h 3 min. A fix was implemented by 09-22 14:44 UTC.