# Mattermost: Major incident: Incident with Community

**Summary:** Mattermost Community experienced degraded availability in a major incident starting 2023-09-05 04:12 UTC and lasting 3 h 33 min, until resolution at 2023-09-05 07:45 UTC. Mattermost applied a mitigation at 09-05 07:29 UTC; no specific cause was stated. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2023-09-05 04:12 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/fs4q12j49h7d](https://stspg.io/fs4q12j49h7d)
- [Company: Mattermost](https://rewindex.com/company/mattermost.md)
- Versions: before (none: first archived) → after incident\_version:106/72m552q6mp11@6b85e7a0a55e
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Incident with Community
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2023-09-05 04:12 UTC
```

**5. Added: Resolved time**

```diff
+ 2023-09-05 07:45 UTC
```

**6. Added: Affected components**

```diff
+ Community
```

**7. Added: Update** (investigating) · 2023-09-05 04:12 UTC

```diff
+ We are currently investigating issues with Mattermost community
```

**8. Added: Update** (investigating) · 2023-09-05 04:12 UTC

```diff
+ We are investigating reports of degraded availability for Community. We’re investigating the cause and will provide more information as soon as it's available.
```

**9. Added: Update** (investigating) · 2023-09-05 04:59 UTC

```diff
+ We are still investigating reports of degraded availability for Community. We are continuing to investigate the cause and will provide more information as soon as it's available
```

**10. Added: Update** (identified) · 2023-09-05 05:16 UTC

```diff
+ We identified an issue that impacts the availability of Community. We are working on mitigation and we will provide more information as soon as it's available.
```

**11. Added: Update** (identified) · 2023-09-05 06:07 UTC

```diff
+ We are still working on mitigation. We will provide more information as soon as it's available.
```

**12. Added: Update** (identified) · 2023-09-05 07:03 UTC

```diff
+ We are still working on mitigation. We will provide more information as soon as it's available.
```

**13. Added: Update** (monitoring) · 2023-09-05 07:29 UTC

```diff
+ We've applied a mitigation to resolve the identified issue. Will update further when confirmed that this has resolved the issue.
```

**14. Added: Update** (resolved) · 2023-09-05 07:45 UTC

```diff
+ This incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2023-09-05 04:12 UTC | Major incident: Incident with Community (this change) | outage |

All Mattermost changes: [timeline](https://rewindex.com/company/mattermost/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/if29817f0690e79 · Markdown: https://rewindex.com/change/if29817f0690e79.md · JSON: https://rewindex.com/api/v1/changes/if29817f0690e79 · Generated 2026-10-18T03:29:11.655Z