# Temporal UI was unable to display human readable execution details

- Provider: [Temporal Cloud](https://down.guide/temporal-cloud)
- Level: confirmed
- Impact: Degraded
- lasted 0m
- started 2026-05-15 18:30 UTC
- id: DWN-737b6df819
- Official page: https://stspg.io/ms23tgz0qzvs

## Updates from Temporal Cloud
### 2026-05-15 18:30 UTC: 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.

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