# Expo: Major incident: Elevated iOS submission error rates

**Summary:** Expo reported a major incident affecting EAS Submit and Apple Developer APIs, with increased App Store Connect API "500 Internal Server Error" responses causing elevated iOS submission error rates. It started at 2026-10-16 14:07 UTC and was resolved at 2026-10-16 16:44 UTC, lasting 2 h 37 min; no specific fix was stated. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-10-16 14:07 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/wwh3fp1kyy25](https://stspg.io/wwh3fp1kyy25)
- [Company: Expo](https://rewindex.com/company/expo.md)
- Versions: before (none: first archived) → after incident\_version:185/582q3pqcqhr3@46def7ae5bef
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Elevated iOS submission error rates
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-10-16 14:07 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-10-16 16:44 UTC
```

**6. Added: Affected components**

```diff
+ Apple Developer APIs, EAS Submit, Expo Application Services - EAS Submit, Third-Party Services - Apple Developer APIs
```

**7. Added: Update** (identified) · 2026-10-16 14:07 UTC

```diff
+ We're seeing an increased rate of error response statuses coming from App Store Connect API ("500 Internal Server Error").
```

**8. Added: Update** (resolved) · 2026-10-16 16:44 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-16 14:07 UTC | Major incident: Elevated iOS submission error rates (this change) | outage |

All Expo changes: [timeline](https://rewindex.com/company/expo/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/i152ba944f43da8 · Markdown: https://rewindex.com/change/i152ba944f43da8.md · JSON: https://rewindex.com/api/v1/changes/i152ba944f43da8 · Generated 2026-10-17T23:09:38.625Z