# Rootly: Major incident: On-Call Notifications Delayed

**Summary:** Rootly reported a major incident delaying On-Call notifications, starting at 2025-10-20 10:31 UTC and resolved at 2025-10-20 11:36 UTC, lasting 1 h 5 min. Incident response and Slack continued working as expected; Rootly confirmed notification delays were fully resolved and all systems were operating normally. _(machine-written, sol)_
- Kind: Major incident · Label: degradation (model (Jev))
- Changed: 2025-10-20 10:31 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/1kfvksv0f0nj](https://stspg.io/1kfvksv0f0nj)
- [Company: Rootly](https://rewindex.com/company/rootly.md)
- Versions: before (none: first archived) → after incident\_version:287/q5vc3x654cpx@8c620ee0128a
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ On-Call Notifications Delayed
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-10-20 10:31 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-10-20 11:36 UTC
```

**6. Added: Affected components**

```diff
+ On-Call, Slack App
```

**7. Added: Update** (identified) · 2025-10-20 09:53 UTC

```diff
+ The issue has been identified and a fix is being implemented.
```

**8. Added: Update** (identified) · 2025-10-20 10:05 UTC

```diff
+ We are continuing to work on a fix for this issue.
```

**9. Added: Update** (identified) · 2025-10-20 10:10 UTC

```diff
+ We are continuing to work on a fix for this issue.
```

**10. Added: Update** (identified) · 2025-10-20 10:31 UTC

```diff
+ We are continuing to work through delayed on-call notifications. Incident response and Slack works as expected. We'll continue to provide regular updates here.
```

**11. Added: Update** (identified) · 2025-10-20 11:22 UTC

```diff
+ We are continuing to work through delayed on-call notifications. Incident response and Slack works as expected. We'll continue to provide regular updates here.
```

**12. Added: Update** (resolved) · 2025-10-20 11:36 UTC

```diff
+ The earlier delays in Rootly On-Call notifications have been fully resolved. All systems are operating normally. Thank you for your patience.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-10-20 10:31 UTC | Major incident: On-Call Notifications Delayed (this change) | degradation |

All Rootly changes: [timeline](https://rewindex.com/company/rootly/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/i1f8f5d121cacf0 · Markdown: https://rewindex.com/change/i1f8f5d121cacf0.md · JSON: https://rewindex.com/api/v1/changes/i1f8f5d121cacf0 · Generated 2026-10-18T02:29:38.759Z