Vanta change history: Vanta web app loading issues (US region)

Vanta reported a critical outage affecting US-region web app loading, with slowness and errors across the platform attributed to the AWS US-East-1 outage. It started at 2025-10-20 15:25 UTC and was resolved at 2025-10-20 22:26 UTC, lasting 7 h 0 min; Vanta confirmed the web app was stable in all regions.