# Lightdash: Major incident: Issues with deploying and creating preview environments

**Summary:** Lightdash reported a major incident affecting EU and US Cloud, causing empty Explores during deployments or Preview environment creation. It ran from 2024-01-29 15:40 UTC to 2024-01-29 17:08 UTC (1 h 28 min). Lightdash identified release 0.956.4, reverted Cloud instances, released a fix, and recommended self-hosted users upgrade to 0.965.6 and browser users hard-refresh. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2024-01-29 15:40 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/pp3zl0p1lqqs](https://stspg.io/pp3zl0p1lqqs)
- [Company: Lightdash](https://rewindex.com/company/lightdash.md)
- Versions: before (none: first archived) → after incident\_version:68/jlnvqy71xmc1@5b5b0dbe5cb1
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Issues with deploying and creating preview environments
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2024-01-29 15:40 UTC
```

**5. Added: Resolved time**

```diff
+ 2024-01-29 17:08 UTC
```

**6. Added: Affected components**

```diff
+ Lightdash Cloud (EU), Lightdash Cloud - Lightdash Cloud (EU), Lightdash Cloud - Lightdash Cloud (US), Lightdash Cloud (US)
```

**7. Added: Update** (identified) · 2024-01-29 15:40 UTC

```diff
+ We’ve identified an issue within the following release: 0.956.4, leading to empty Explores when deploying to a Lightdash project or creating Preview environments. We’ve reverted all Cloud instances. For self-hosted users, we recommend upgrading to version 0.965.6 in Lightdash.
```

**8. Added: Update** (identified) · 2024-01-29 16:24 UTC

```diff
+ We've identified the issue and are currently building a new image: 0.965.6
```

**9. Added: Update** (monitoring) · 2024-01-29 16:25 UTC

```diff
+ A fix has been implemented and we're currently monitoring all instances. We recommend applying a "hard refresh" to your browser tab/window to ensure you get the latest changes applied
```

**10. Added: Update** (resolved) · 2024-01-29 17:08 UTC

```diff
+ This incident has been resolved by applying a fix and releasing a new version of the app.  Thank you for your patience during this time.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2024-01-29 15:40 UTC | Major incident: Issues with deploying and creating preview environments (this change) | outage |

All Lightdash changes: [timeline](https://rewindex.com/company/lightdash/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/i060ba699c38954 · Markdown: https://rewindex.com/change/i060ba699c38954.md · JSON: https://rewindex.com/api/v1/changes/i060ba699c38954 · Generated 2026-10-18T02:55:28.337Z