# LaunchDarkly: Major incident: Event Ingestion Delays

**Summary:** LaunchDarkly reported major event-ingestion delays affecting Experimentation results and Guarded Rollouts, starting 2026-05-19 14:49 UTC and resolving 2026-05-19 14:54 UTC (5 min). No data was lost; the vendor said it identified the root cause and was releasing a fix, then confirmed normal ingestion and full restoration. _(machine-written, sol)_
- Kind: Major incident · Label: degradation (model (Jev))
- Changed: 2026-05-19 14:49 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/bzbs30xtk414](https://stspg.io/bzbs30xtk414)
- [Company: LaunchDarkly](https://rewindex.com/company/launchdarkly.md)
- Versions: before (none: first archived) → after incident\_version:195/zc6jyl2qmgnc@3c63ba8e700d
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Event Ingestion Delays
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-05-19 14:49 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-05-19 14:54 UTC
```

**6. Added: Affected components**

```diff
+ Experimentation (core functionality) - Experiment results processing, Experiment results processing, Guarded Rollouts (core functionality) - Rollout results processing, Rollout results processing
```

**7. Added: Update** (identified) · 2026-05-19 14:49 UTC

```diff
+ We are currently experiencing delays in event ingestion, which is impacting Experimentation results and Guarded Rollouts. No data has been lost — all results and events are intact and will be fully accessible once a fix has been deployed. We have identified the root cause and a fix is being released now.
```

**8. Added: Update** (resolved) · 2026-05-19 14:54 UTC

```diff
+ This incident has been resolved. Event ingestion is operating normally and all Experimentation results and Guarded Rollouts are fully restored. No data was lost. We apologize for any inconvenience caused. Results were delayed from 6:58am PDT to 7:52am PDT
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-05-19 14:49 UTC | Major incident: Event Ingestion Delays (this change) | degradation |

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._


---
Canonical: https://rewindex.com/change/ic040c3312ab272 · Markdown: https://rewindex.com/change/ic040c3312ab272.md · JSON: https://rewindex.com/api/v1/changes/ic040c3312ab272 · Generated 2026-10-18T02:28:39.008Z