Changes / Temporal Cloud / Customers in us-central1 and asia-southeast2 may experience a delay in workflow progress
Temporal Cloud: Major incident: Customers in us-central1 and asia-southeast2 may experience a delay in workflow progress
Summary
Temporal Cloud reported a major incident causing errors and blocked workflow progress for some namespaces in us-central1 and asia-southeast2, starting 2026-09-10 20:51 UTC and resolved 2026-09-11 07:21 UTC (10 h 29 min). A configuration change disrupted workflow request processing; it was rolled back, processing resumed, and residual issues were cleared.
Machine-written from the diff below (Sol; type: incident degradation). Check the diff before relying on it.
What changed
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After: Customers in us-central1 and asia-southeast2 may experience a delay in workflow progress
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After: major
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After: resolved
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After: 2026-09-10 20:51 UTC
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After: 2026-09-11 07:21 UTC
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After: asia-southeast2, Google Cloud Provider (GCP) - asia-southeast2, Google Cloud Provider (GCP) - us-central1, us-central1
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After: Some customers with namespaces in the us-central1 and asia-southeast2 regions may experience errors and blocked progress on their workflows. We are currently rolling out a fix.
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After: The issue has been mitigated (as of 21:55 UTC) and we are actively monitoring the previously impacted environments.
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After: We are continuing to monitor for any further issues.
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After: While a small number of customer environments may still see some issues, mitigation has been in place and we continue to actively monitor.
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After: We are continuing to monitor for any further issues.
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After: A configuration change affecting namespaces in the us-central1 and asia-southeast2 regions resulted in some workflow requests not being processed as expected. The change was rolled back and workflow processing resumed. We are continuing to validate the environment and clear any residual issues, and will provide further updates as that work completes.
Before: not present
After: The environment has been validated and all residual issues have been cleared. This incident is now resolved.
First version of this incident archived by Rewindex. View the live incident.
History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Major incident: Customers in us-central1 and asia-southeast2 may experience a delay in workflow progress (this change) Temporal Cloud reported a major incident causing errors and blocked workflow progress for some namespaces in us-central1 and asia-southeast2, starting 2026-09-10 20:51 UTC and resolved 2026-09-11 07:21 UTC (10 h 29 min). A configuration change disrupted workflow request processing; it was rolled back, processing resumed, and residual issues were cleared. | Major incident |
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