Metabase Cloud change history: Degraded service in our Business tier

Metabase Cloud reported major degradation affecting Business tier customers in isolated environments from 2021-08-10 16:37 UTC to 2021-08-10 20:38 UTC, lasting 4 h 1 min. A failed Elastic Beanstalk upgrade left instances inconsistent, with load balancers unable to mark them healthy and application servers continuously recycled; a fix was deployed before resolution.