# Runway: Major incident: Issues affecting Aleph generations

**Summary:** Runway reported a major incident affecting Aleph generations across App, Backend, and Public API, potentially affecting API customers. It started at 2025-12-12 10:40 UTC and was resolved at 2025-12-12 13:18 UTC, lasting 2 h 38 min. Runway said it identified the root cause but did not specify the cause or fix. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2025-12-12 10:40 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/9k8ghgm2zwlj](https://stspg.io/9k8ghgm2zwlj)
- [Company: Runway](https://rewindex.com/company/runway.md)
- Versions: before (none: first archived) → after incident\_version:40/xc087ljm9w4r@ee4bae00add4
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Issues affecting Aleph generations
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-12-12 10:40 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-12-12 13:18 UTC
```

**6. Added: Affected components**

```diff
+ App, Backend, Public API
```

**7. Added: Update** (investigating) · 2025-12-12 10:40 UTC

```diff
+ We are seeing issues with Aleph generations that may affect API customers. We're working on investigating and resolving this issue ASAP.
```

**8. Added: Update** (identified) · 2025-12-12 12:28 UTC

```diff
+ We have identified the root cause of the problem and are working towards a solution to restore the service for all users.
```

**9. Added: Update** (resolved) · 2025-12-12 13:18 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-12-12 10:40 UTC | Major incident: Issues affecting Aleph generations (this change) | outage |

All Runway changes: [timeline](https://rewindex.com/company/runway/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/if74c3f42668ba1 · Markdown: https://rewindex.com/change/if74c3f42668ba1.md · JSON: https://rewindex.com/api/v1/changes/if74c3f42668ba1 · Generated 2026-10-18T02:55:17.418Z