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Temporal Cloud: Some customers in AWS eu-west-1 may experience elevated latencies

Affected components: Amazon Web Services (AWS) - eu-west-1eu-west-1

Timeline of updates

1. investigating2026-07-20 13:47 UTC

   Some customers in AWS eu-west-1 may experience elevated latencies starting 13:47 UTC time.

2. investigating2026-07-20 14:18 UTC

   We are continuing to investigate this issue.

3. identified2026-07-20 19:11 UTC

   As of 17:53 UTC our engineering team has identified the issue and is actively working to restore normal service. We will provide another update as more information becomes available.

4. monitoring2026-07-20 19:50 UTC

   Our engineering has implemented a fix and we are seeing normal service return to this region. We are continuing to monitor.

5. resolved2026-07-20 20:50 UTC

   We have continued to see normal activity in this region with latencies holding at pre-incident levels. This incident is now resolved.

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