Sigma Computing change history: Materialization failures impacting GCP cloud-hosted orgs

Sigma reported a major incident causing materialization and CSV upload failures for GCP-hosted customers, including GCP (US). Recorded from 2023-09-06 20:24 UTC to 2023-09-06 21:16 UTC, it lasted 52 min. Mitigation resolved the issue; affected materializations were expected to recover on their next scheduled run or when manually retriggered.