# Sentry: Critical incident: Sentry.io not loading in US region

**Summary:** Sentry.io was not loading in the US region starting 2026-10-21 08:54 UTC, with critical impact listed for API, Dashboard, Integration Pipeline, and Seer. Sentry was investigating; the incident was still open when archived, open for 0 min at the last update. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-10-21 08:54 UTC · Detected: 2026-10-21 09:03 UTC
- [Source: https://stspg.io/r52z51588y46](https://stspg.io/r52z51588y46)
- [Company: Sentry](https://rewindex.com/company/sentry.md)
- Versions: before (none: first archived) → after incident\_version:288/gts1fg3r2j4b@3f3afd4cc12a
- Change 1 of 4 for this incident

Incident page (full timeline): [Sentry.io not loading in US region](https://rewindex.com/company/sentry/incidents/gts1fg3r2j4b.md)
## What changed

**1. Added: Title**

```diff
+ Sentry.io not loading in US region
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ investigating
```

**4. Added: Start time**

```diff
+ 2026-10-21 08:54 UTC
```

**5. Added: Affected components**

```diff
+ API, Dashboard, Integration Pipeline, Seer
```

**6. Added: Update** (investigating) · 2026-10-21 08:54 UTC

```diff
+ We are currently investigating an issue affecting US Sentry region
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-21 08:54 UTC | Critical incident: Sentry.io not loading in US region (this change) | outage |
| 2026-10-21 09:33 UTC | [Incident updated: Sentry.io not loading in US region](https://rewindex.com/change/r01cb86f9beb88f.md) | Normal progress |
| 2026-10-21 09:43 UTC | [Incident updated: Sentry.io not loading in US region](https://rewindex.com/change/r549ea912811e7d.md) | Normal progress |
| 2026-10-21 10:03 UTC | [Incident updated: Sentry.io not loading in US region](https://rewindex.com/change/r42819b6c6bd5ab.md) | Normal progress |

Next: [change](https://rewindex.com/change/r01cb86f9beb88f.md) · All Sentry changes: [timeline](https://rewindex.com/company/sentry/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/icb383bcd834927 · Markdown: https://rewindex.com/change/icb383bcd834927.md · JSON: https://rewindex.com/api/v1/changes/icb383bcd834927 · Generated 2026-10-21T18:47:58.345Z