Smartsheet change history: Smartsheet Slowness and Timeout Errors

Smartsheet reported major slowness and timeouts affecting sheets, premium apps, connectors, and API from 2026-07-30 14:54 UTC to 2026-07-30 17:41 UTC (2 h 47 min). Its postmortem separately described customer impact between approximately 11:00 and 15:57 UTC, attributing failures to a backend service under heavy CPU load during morning traffic ramp-up.