Temporal experienced elevated latencies in AWS eu-west-1 starting at 13:47 UTC on July 20, 2026, lasting approximately 7 hours. The engineering team identified the root cause by 17:53 UTC and deployed a fix, with normal latency levels confirmed restored by 20:50 UTC.
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We have continued to see normal activity in this region with latencies holding at pre-incident levels. This incident is now resolved.
Our engineering has implemented a fix and we are seeing normal service return to this region. We are continuing to monitor.
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.
We are continuing to investigate this issue.
Some customers in AWS eu-west-1 may experience elevated latencies starting 13:47 UTC time.
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