Smartsheet change history: Admin Center page is not reachable

Smartsheet reported a major outage preventing some users from loading Admin Center, starting 2025-06-17 10:19 UTC and resolved 2025-06-17 15:58 UTC, lasting 5 h 39 min. The vendor attributed the disruption to an unexpected failure in a recent deployment; service was restored by addressing the failure and restarting and successfully completing the deployment.