Temporal Cloud: Customers in us-central1 and asia-southeast2 may experience a delay in workflow progress

Impact: majorStatus: resolvedStarted 2026-09-10 20:51 UTCResolved 2026-09-11 07:21 UTC (11 h)7 updatesSource: stspg.io

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 archived incident (Sol). Check the timeline before relying on it.

Affected components: Google Cloud Provider (GCP) - us-central1us-central1asia-southeast2Google Cloud Provider (GCP) - asia-southeast2

Timeline of updates

identified2026-09-10 20:51 UTC
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.
monitoring2026-09-10 22:27 UTC
The issue has been mitigated (as of 21:55 UTC) and we are actively monitoring the previously impacted environments.
monitoring2026-09-10 22:29 UTC
We are continuing to monitor for any further issues.
monitoring2026-09-10 22:59 UTC
While a small number of customer environments may still see some issues, mitigation has been in place and we continue to actively monitor.
monitoring2026-09-10 23:29 UTC
We are continuing to monitor for any further issues.
monitoring2026-09-11 00:17 UTC
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.
resolved2026-09-11 07:21 UTC
The environment has been validated and all residual issues have been cleared. This incident is now resolved.

Rewindex changes for this incident

Major incident: Customers in us-central1 and asia-southeast2 may experience a delay in workflow progress 2026-09-10 20:51 UTC

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab). Temporal Cloud profile · Recent Temporal Cloud incidents · Markdown · JSON