Update - API latencies and error rates have remained stable after a fix in history service and we continue to monitor the situation.
May 05, 2026 - 09:24 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
May 05, 2026 - 07:50 UTC
Update - We continue working to mitigate the issue.
May 05, 2026 - 07:39 UTC
Identified - We are working to mitigate the issue. Error rates are recovering.
May 05, 2026 - 07:12 UTC
Update - This is still in investigation
May 05, 2026 - 06:22 UTC
Investigating - We are currently investigating the issue.
May 05, 2026 - 05:43 UTC
Resolved -
This incident has been resolved.
May 5, 00:36 UTC
Monitoring -
The issue has been identified as being related to a proxy node replacement rollout which has been halted. We are currently monitoring the region but do not anticipate any new errors at this point.
May 4, 23:23 UTC
Investigating -
We are currently investigating a small number of gRPC UNIMPLEMENTED errors being returned in the AWS us-east-1 region.
May 4, 22:50 UTC
Resolved -
We identified and resolved an issue that caused some Child Workflows to fail to start under certain conditions. Affected Workflows have been reprocessed and are now operating normally as of 23:26 UTC.
Apr 21, 23:37 UTC
Investigating -
We are investigating an issue where child workflows started with the TerminateIfRunning conflict policy may fail to start. The issue began approximately 2026-04-21 19:39 UTC.A fix is in progress and we will provide updates shortly.
Apr 21, 23:15 UTC