# Vercel: Major incident: Increased build and deployment failures

**Summary:** Vercel reported a major incident affecting builds and deployments from 2026-10-12 13:35 UTC to 2026-10-12 20:11 UTC, lasting 6 h 36 min. An upstream GitHub incident caused some GitHub-connected projects’ builds and deployments to fail; deployment-status updates on pull requests were also delayed. The event backlog was processed, and the incident was resolved. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-10-12 13:35 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/cfrfjg8fqxfr](https://stspg.io/cfrfjg8fqxfr)
- [Company: Vercel](https://rewindex.com/company/vercel.md)
- Versions: before (none: first archived) → after incident\_version:215/sps6n39gm4sg@bacac630c295
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Increased build and deployment failures
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-10-12 13:35 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-10-12 20:11 UTC
```

**6. Added: Affected components**

```diff
+ Build & Deploy - Builds, Builds, CI/CD - Git Integrations, Git Integrations
```

**7. Added: Update** (investigating) · 2026-10-12 13:35 UTC

```diff
+ We've identified an issue where some customers may experience build failures or deployments that fail to start. We are investigating this issue. We will provide additional updates as they become available.
```

**8. Added: Update** (identified) · 2026-10-12 14:08 UTC

```diff
+ We have identified the issue and are working on a fix. We will provide additional updates as they become available.
```

**9. Added: Update** (identified) · 2026-10-12 14:57 UTC

```diff
+ Build and deployment failure rates have decreased, but some builds remain queued and are taking longer to start. We are continuing to work on a fix. We will provide additional updates as they become available.
```

**10. Added: Update** (identified) · 2026-10-12 16:10 UTC

```diff
+ We are continuing to work on a fix. Due to an upstream incident at GitHub (https://www.githubstatus.com/incidents/93njd414rpbx), some builds and deployments for GitHub-connected projects are still failing. We will provide additional updates as they become available.
```

**11. Added: Update** (identified) · 2026-10-12 18:33 UTC

```diff
+ Deployment events, such as updating the deployment status on pull requests, are delayed and the backlog is being processed. We will provide additional updates as they become available.
```

**12. Added: Update** (monitoring) · 2026-10-12 19:56 UTC

```diff
+ The backlog of deployment events has been processed. We will continue to monitor and provide additional updates as they become available.
```

**13. Added: Update** (resolved) · 2026-10-12 20:11 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-12 13:35 UTC | Major incident: Increased build and deployment failures (this change) | outage |

All Vercel changes: [timeline](https://rewindex.com/company/vercel/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/i2e56e1669289f4 · Markdown: https://rewindex.com/change/i2e56e1669289f4.md · JSON: https://rewindex.com/api/v1/changes/i2e56e1669289f4 · Generated 2026-10-18T01:30:17.892Z