# Substack: Major incident: Substack Availability Issues

**Summary:** Substack reported a major availability outage affecting Substack.com, Substack publications, and Writer dashboards starting at 2026-02-12 23:25 UTC. It lasted 1 h 5 min and was resolved at 2026-02-13 00:31 UTC; Substack reported implementing a fix but did not state a cause. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-02-12 23:25 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/9l51fkzdrjym](https://stspg.io/9l51fkzdrjym)
- [Company: Substack](https://rewindex.com/company/substack.md)
- Versions: before (none: first archived) → after incident\_version:261/36qh7gzk3bv6@0d5f27269e33
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Substack Availability Issues
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-02-12 23:25 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-02-13 00:31 UTC
```

**6. Added: Affected components**

```diff
+ Substack.com, Substack publications, Writer dashboards
```

**7. Added: Update** (investigating) · 2026-02-12 23:25 UTC

```diff
+ We are currently investigating this issue.
```

**8. Added: Update** (identified) · 2026-02-12 23:42 UTC

```diff
+ The issue has been identified and a fix is being implemented.
```

**9. Added: Update** (monitoring) · 2026-02-12 23:43 UTC

```diff
+ A fix has been implemented and we are monitoring the results.
```

**10. Added: Update** (resolved) · 2026-02-13 00:31 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-02-12 23:25 UTC | Major incident: Substack Availability Issues (this change) | outage |

All Substack changes: [timeline](https://rewindex.com/company/substack/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/ia661f3f26ddb1b · Markdown: https://rewindex.com/change/ia661f3f26ddb1b.md · JSON: https://rewindex.com/api/v1/changes/ia661f3f26ddb1b · Generated 2026-10-18T02:29:23.346Z