# Sentry: Incident updated: Sentry is down

**Summary:** _summary pending_
- Kind: Incident update · Label: not classified yet
- Changed: 2026-10-19 20:53 UTC · Detected: 2026-10-19 20:53 UTC
- [Source: https://stspg.io/4g95jslbjjps](https://stspg.io/4g95jslbjjps)
- [Company: Sentry](https://rewindex.com/company/sentry.md)
- Versions: before incident\_version:288/gbgxwj82brd4@0ebe4a01da1e → after incident\_version:288/gbgxwj82brd4@9551e2d0f900
- Change 2 of 5 for this incident

Incident page (full timeline): [Sentry is down](https://rewindex.com/company/sentry/incidents/gbgxwj82brd4.md)
## What changed

**1. Added: Affected components**

```diff
+ Alerting - US Errors Alerting, Alerting - US Spans Alerting, Alerting - US Transactions Alerting, Alerting - US Uptime Monitoring, Email, Microsoft Teams, Notification Delivery - Email, Notification Delivery - Microsoft Teams, Notification Delivery - PagerDuty, Notification Delivery - Slack, PagerDuty, Slack, US Errors Alerting, US Spans Alerting, US Transactions Alerting, US Uptime Monitoring
```

**2. Added: Update** (investigating) · 2026-10-19 20:43 UTC

```diff
+ Impact is isolated to our US region customers. Alerting is also impact by this incident.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-19 20:39 UTC | [Critical incident: Sentry is down](https://rewindex.com/change/ic4419b3ab1dd37.md) | critical |
| 2026-10-19 20:53 UTC | Incident updated: Sentry is down (this change) |  |
| 2026-10-19 21:03 UTC | [Incident updated: Sentry is down](https://rewindex.com/change/r25011208cccb97.md) |  |
| 2026-10-19 21:13 UTC | [Incident updated: Sentry is down](https://rewindex.com/change/rce7af3e86a754e.md) |  |
| 2026-10-19 21:33 UTC | [Incident updated: Sentry is down](https://rewindex.com/change/r5939aed847076b.md) |  |

Previous: [change](https://rewindex.com/change/ic4419b3ab1dd37.md) · Next: [change](https://rewindex.com/change/r25011208cccb97.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._


---
Canonical: https://rewindex.com/change/r85ef9affa7e774 · Markdown: https://rewindex.com/change/r85ef9affa7e774.md · JSON: https://rewindex.com/api/v1/changes/r85ef9affa7e774 · Generated 2026-10-19T23:33:50.321Z