Grammarly change history: Users May Experience Login Issues Across Some Grammarly and Superhuman Products

Grammarly reported a major outage involving login issues across some Grammarly and Superhuman products and preventing some users from accessing Grammarly Editor documents. It lasted 2 h 33 min, from 2026-08-14 15:24 UTC to 2026-08-14 17:57 UTC; a fix was implemented and the incident was resolved.