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Sigma Computing change history: Scheduled Backend Tasks not running on AWS US

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21Major incident
When (UTC)ChangeKind
Major incident: Scheduled Backend Tasks not running on AWS US
Sigma Computing reported a major AWS US outage affecting scheduled exports, materializations, and warehouse view updates from 2026-01-05 21:38 UTC to 2026-01-05 23:33 UTC, lasting 1 h 55 min. A fix was implemented, and Sigma stated that queued tasks should start recovering automatically after resolution.
Major incident