Temporal experienced an issue where child workflows using the TerminateIfRunning conflict policy failed to start, beginning at approximately 19:39 UTC on April 21, 2026. The service degradation affected workflow execution functionality for 25 minutes. The issue was resolved at 23:26 UTC with affected workflows returning to normal operation.
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The issue has been resolved as of 23:26 UTC. Affected workflows should now be operating normally.
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.
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