Outage in Temporal
Some customers in AWS us-east-1 may observe a small number of gRPC UNIMPLEMENTED errors
Resolved MinorIncident Report
Some customers in AWS us-east-1 may observe a small number of gRPC UNIMPLEMENTED errors returned during the time period 15:00-15:30:00 UTC.
This issue was investigated and identified as being related to a deployment in the affected region that has been rolled back - no further impact is expected.
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RESOLVED
16 days ago - at 05/27/2026 04:55PM
Some customers in AWS us-east-1 may observe a small number of gRPC UNIMPLEMENTED errors returned during the time period 15:00-15:30:00 UTC.
This issue was investigated and identified as being related to a deployment in the affected region that has been rolled back - no further impact is expected.
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