# Trello: Major incident: Degraded performance of Trello

**Summary:** Trello.com experienced major-impact performance degradation, with the incident recorded from 2025-09-11 13:56 UTC to 2025-09-11 14:18 UTC (22 min). Trello confirmed normal service was restored for affected customers; its final update noted users may have experienced degradation as early as September 11, 2025 1:00PM UTC. _(machine-written, sol)_
- Kind: Major incident · Label: degradation (model (Jev))
- Changed: 2025-09-11 13:56 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/gswksl811kcb](https://stspg.io/gswksl811kcb)
- [Company: Trello](https://rewindex.com/company/trello.md)
- Versions: before (none: first archived) → after incident\_version:114/y7grkw34ws85@8efa23449de8
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Degraded performance of Trello
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-09-11 13:56 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-09-11 14:18 UTC
```

**6. Added: Affected components**

```diff
+ Trello.com
```

**7. Added: Update** (monitoring) · 2025-09-11 13:56 UTC

```diff
+ The performance degradation of Trello has been resolved, and services are now operating normally for all affected customers. We'll continue to monitor performance closely to confirm stability.
```

**8. Added: Update** (resolved) · 2025-09-11 14:18 UTC

```diff
+ On Thursday, September 11, 2025 1:00PM UTC, Trello users may have experienced performance degradation. The issues has now been resolved, and the service is operating normally for all affected customers.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-09-11 13:56 UTC | Major incident: Degraded performance of Trello (this change) | degradation |

All Trello changes: [timeline](https://rewindex.com/company/trello/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._


---
Canonical: https://rewindex.com/change/i285e716a7eabea · Markdown: https://rewindex.com/change/i285e716a7eabea.md · JSON: https://rewindex.com/api/v1/changes/i285e716a7eabea · Generated 2026-10-18T02:28:37.057Z