# Temporal Cloud: Critical incident: Increased errors on Temporal Cloud control plane, Cloud Ops API, and Temporal UI

**Summary:** Temporal Cloud reported a critical incident causing increased errors and timeouts across its control plane, Cloud Ops API, and Temporal UI, starting 2026-10-05 20:23 UTC. A fix was implemented by 2026-10-05 20:39 UTC; normal operation was confirmed at resolution on 2026-10-05 20:52 UTC, after 28 min. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-10-05 20:23 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/dqvzrncq4g41](https://stspg.io/dqvzrncq4g41)
- [Company: Temporal Cloud](https://rewindex.com/company/temporal-cloud.md)
- Versions: before (none: first archived) → after incident\_version:211/xmkgbdt61xjh@c018eb808fd6
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Increased errors on Temporal Cloud control plane, Cloud Ops API, and Temporal UI
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-10-05 20:23 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-10-05 20:52 UTC
```

**6. Added: Update** (investigating) · 2026-10-05 20:23 UTC

```diff
+ We are investigating increased errors and timeouts affecting the Temporal Cloud control plane, Cloud Ops API, and Temporal UI. Next update in 30 minutes.
```

**7. Added: Update** (monitoring) · 2026-10-05 20:39 UTC

```diff
+ A fix has been implemented and we are seeing recovery for the Temporal Cloud control plane, Cloud Ops API, and Temporal UI. We are continuing to monitor.
```

**8. Added: Update** (resolved) · 2026-10-05 20:52 UTC

```diff
+ This incident has been resolved. The Temporal Cloud control plane, Cloud Ops API, and Temporal UI are operating normally.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-05 20:23 UTC | Critical incident: Increased errors on Temporal Cloud control plane, Cloud Ops API, and Temporal UI (this change) | outage |

All Temporal Cloud changes: [timeline](https://rewindex.com/company/temporal-cloud/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/iff966b1c11131d · Markdown: https://rewindex.com/change/iff966b1c11131d.md · JSON: https://rewindex.com/api/v1/changes/iff966b1c11131d · Generated 2026-10-18T00:39:25.972Z