# Lovable: Critical incident: Previews for TanStack applications are currently unavailable

**Summary:** Lovable reported a critical outage affecting TanStack application previews and published apps; previews could show an internal server error. The incident started at 2026-08-04 00:27 UTC and was resolved at 2026-08-04 01:52 UTC, lasting 1 h 25 min; Lovable reported all systems operating normally. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-08-04 00:27 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://status.lovable.dev/incidents/01KZ52PDB253EFF7H0V1Q77YJA](https://status.lovable.dev/incidents/01KZ52PDB253EFF7H0V1Q77YJA)
- [Company: Lovable](https://rewindex.com/company/lovable.md)
- Versions: before (none: first archived) → after incident\_version:27/01KZ52PDB253EFF7H0V1Q77YJA@2861cdd8befd
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Previews for TanStack applications are currently unavailable
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-08-04 00:27 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-08-04 01:52 UTC
```

**6. Added: Update** (investigating) · 2026-08-04 00:27 UTC

```diff
+ "Previews for TanStack applications are currently unavailable and may show an internal server error. Our team is working on a fix. "
```

**7. Added: Update** (identified) · 2026-08-04 01:08 UTC

```diff
+ We have identified the issue affecting some active TanStack projects. Our team is working to restore previews and published apps as quickly as possible.
```

**8. Added: Update** (resolved) · 2026-08-04 01:52 UTC

```diff
+ The issue affecting TanStack application previews and published apps has been resolved. All systems are operating normally.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-08-04 00:27 UTC | Critical incident: Previews for TanStack applications are currently unavailable (this change) | outage |

All Lovable changes: [timeline](https://rewindex.com/company/lovable/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/i67169833ca2a47 · Markdown: https://rewindex.com/change/i67169833ca2a47.md · JSON: https://rewindex.com/api/v1/changes/i67169833ca2a47 · Generated 2026-10-18T02:54:57.780Z