Temporal incident

Some customers in AWS us-east-1 experienced a small number of gRPC UNIMPLEMENTED errors

Notice Ongoing View vendor source →

Temporal is currently experiencing a notice incident affecting us-east-1, which began 3h ago. The vendor's full update timeline is below.

Started
May 28, 2026, 08:22 PM UTC
Resolved
Ongoing
Duration
● 2h 46m
Detected by Pingoru
May 28, 2026, 08:22 PM UTC

Affected components

us-east-1

Update timeline

  1. identified May 28, 2026, 08:22 PM UTC

    Some customers in AWS us-east-1 experienced a small number of gRPC UNIMPLEMENTED errors today from 19:40 to 20:05 UTC. We have currently mitigated the issue and are working on a permanent fix at this time.

  2. monitoring May 28, 2026, 09:00 PM UTC

    The gRPC UNIMPLEMENTED errors previously observed have been mitigated. We are continuing to monitor the situation and are working towards a permanent fix at this time.

  3. monitoring May 28, 2026, 10:14 PM UTC

    Service has remained stable and we are continuing to monitor the situation. We will continue to provide updates as they become available.