# Rootly: Major incident: Some Slack notifications not being delivered

**Summary:** Rootly reported a major outage affecting delivery of Slack Blocks for Alert notifications, starting at 2025-07-11 13:05 UTC and resolved at 2025-07-11 13:58 UTC, lasting 53 min. Rootly identified the issue and reported deploying a fix; the outage was limited to those notifications. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2025-07-11 13:05 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/kwhr7260blnw](https://stspg.io/kwhr7260blnw)
- [Company: Rootly](https://rewindex.com/company/rootly.md)
- Versions: before (none: first archived) → after incident\_version:287/sb67373pj79p@b6b90aad27dd
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Some Slack notifications not being delivered
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-07-11 13:05 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-07-11 13:58 UTC
```

**6. Added: Affected components**

```diff
+ Integrations - Slack Notifications
```

**7. Added: Update** (investigating) · 2025-07-11 13:05 UTC

```diff
+ We are currently investigating an issue where some Slack notifications are not being delivered.
```

**8. Added: Update** (identified) · 2025-07-11 13:19 UTC

```diff
+ We have identified the issue and have verified that the scope of the outage only applies to Slack Blocks for Alert notifications. We actively deploying a fix for this issue.
```

**9. Added: Update** (identified) · 2025-07-11 13:22 UTC

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

**10. Added: Update** (resolved) · 2025-07-11 13:58 UTC

```diff
+ The issue impacting Slack Blocks for Alert notifications has been resolved
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-07-11 13:05 UTC | Major incident: Some Slack notifications not being delivered (this change) | outage |

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/i1b9ea766b44710 · Markdown: https://rewindex.com/change/i1b9ea766b44710.md · JSON: https://rewindex.com/api/v1/changes/i1b9ea766b44710 · Generated 2026-10-18T00:39:17.048Z