Sigma Computing change history: GCP Outage affecting Sigma organizations hosted on multiple cloud providers

A GCP outage caused major errors for Sigma organizations on GCP, with possible impact on other cloud providers. Sigma reported onset at approximately 17:55 UTC June 12, 2025; the archived incident spans 2025-06-12 18:58 UTC to 2025-06-12 21:25 UTC (2 h 26 min), ending with full recovery.