Temporal UI was unable to display human readable execution details

Incident Report for Temporal

Resolved

A change to the Cloud UI caused a breaking change to the codec server endpoint. This impacted the UI for some customers for roughly 1.5 hours between May 15, 2026, 11:42:57 AM PDT and May 15, 2026 1:14:53 PM PDT. The change was rolled back and the UI is back to normal operating conditions.

Posted May 15, 2026 - 18:30 UTC