Grammarly change history: Issues logging in at https://superhuman.com and https://app.grammarly.com

Grammarly reported a major login outage affecting https://superhuman.com and https://app.grammarly.com, starting 2025-11-06 22:29 UTC and lasting 4 h 18 min. A fix was implemented, and the incident was resolved at 2025-11-07 02:47 UTC.