Amplitude change history: Amplitude web application not loading

Amplitude reported a major US web application outage starting 2026-04-23 19:56 UTC, resolved at 2026-04-23 20:32 UTC (35 min). Customers could encounter page-loading errors; EU and data ingestion were unaffected, with no data lost. Amplitude attributed the issue to a misconfigured feature-flag configuration and reverted the change.