# LaunchDarkly: Major incident: High volume of error alerts related to flag delivery network.

**Summary:** LaunchDarkly reported a major outage affecting login and UI/API responsiveness, starting 2026-07-06 20:30 UTC and lasting 51 min until resolution at 2026-07-06 21:21 UTC. The vendor identified a root cause relating to flag delivery, rolled out a fix, and confirmed all error rates had normalized. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-07-06 20:30 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/2w8p702dlbxs](https://stspg.io/2w8p702dlbxs)
- [Company: LaunchDarkly](https://rewindex.com/company/launchdarkly.md)
- Versions: before (none: first archived) → after incident\_version:195/b62mt89fny05@b687d4bec48c
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ High volume of error alerts related to flag delivery network.
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-07-06 20:30 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-07-06 21:21 UTC
```

**6. Added: Affected components**

```diff
+ Authentication, Feature management (core functionality) - Feature workflows, Feature management (core functionality) - Flag targeting, Flag Delivery Network (core functionality) - Server-side streaming API, Global (core functionality) - Authentication, Global (core functionality) - Web app (app.launchdarkly.com), Server-side streaming API, Web app (app.launchdarkly.com)
```

**7. Added: Update** (investigating) · 2026-07-06 20:30 UTC

```diff
+ At 13:21 Pacific Time, we experienced a high volume of error alerts affecting users' ability to interact with the LaunchDarkly application including logging in and UI / API responsiveness. We quickly identified the root cause relating to flag delivery. We are expecting errors decreasing now.
```

**8. Added: Update** (investigating) · 2026-07-06 20:45 UTC

```diff
+ We are continuing to investigate this issue.
```

**9. Added: Update** (monitoring) · 2026-07-06 21:09 UTC

```diff
+ We have rolled out a fix and error rates are returning to normal
```

**10. Added: Update** (resolved) · 2026-07-06 21:21 UTC

```diff
+ All error rates have normalized.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-07-06 20:30 UTC | Major incident: High volume of error alerts related to flag delivery network. (this change) | outage |

All LaunchDarkly changes: [timeline](https://rewindex.com/company/launchdarkly/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/icce2100e340c95 · Markdown: https://rewindex.com/change/icce2100e340c95.md · JSON: https://rewindex.com/api/v1/changes/icce2100e340c95 · Generated 2026-10-18T00:38:57.247Z