CockroachDB change history: AWS us-east-1 outage impacting cluster operations and backups

CockroachDB reported a major AWS us-east-1 outage causing failures or delays in cluster creation, node additions, and backups; existing clusters remained operational. The incident started at 2025-10-20 13:28 UTC and was resolved at 2025-10-21 14:56 UTC, lasting 25 h 27 min. AWS resolved the underlying outage, and CockroachDB verified normal operations had resumed.