Upstash change history: Connectivity issue impacting Regional Databases in US-East-1

Upstash reported a major connectivity incident affecting Regional Databases in US-East-1 from 2025-12-10 11:50 UTC to 2025-12-10 12:08 UTC, lasting 17 min. Database replicas had connectivity issues with each other and were successfully reconnected; other regions and Global databases were not impacted.