# Hex: Major incident: Code cells displaying HTML not rendering

**Summary:** Hex reported a major incident on the Main site: code cells displaying HTML were not rendering. It started at 2025-07-18 12:40 UTC and was resolved at 2025-07-18 13:57 UTC, lasting 1 h 16 min. A fix was implemented at 13:26 UTC. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2025-07-18 12:40 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/7hkhf8zxlmrt](https://stspg.io/7hkhf8zxlmrt)
- [Company: Hex](https://rewindex.com/company/hex.md)
- Versions: before (none: first archived) → after incident\_version:67/rwr9x34dqbrg@68056782e82b
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Code cells displaying HTML not rendering
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-07-18 12:40 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-07-18 13:57 UTC
```

**6. Added: Affected components**

```diff
+ Main site
```

**7. Added: Update** (investigating) · 2025-07-18 12:40 UTC

```diff
+ We are currently investigating this issue.
```

**8. Added: Update** (identified) · 2025-07-18 13:23 UTC

```diff
+ The issue has been identified and a fix is being implemented.
```

**9. Added: Update** (monitoring) · 2025-07-18 13:26 UTC

```diff
+ A fix has been implemented and we are monitoring the results.
```

**10. Added: Update** (resolved) · 2025-07-18 13:57 UTC

```diff
+ This incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-07-18 12:40 UTC | Major incident: Code cells displaying HTML not rendering (this change) | outage |

All Hex changes: [timeline](https://rewindex.com/company/hex/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/i9d95c2c7d614a2 · Markdown: https://rewindex.com/change/i9d95c2c7d614a2.md · JSON: https://rewindex.com/api/v1/changes/i9d95c2c7d614a2 · Generated 2026-10-18T02:31:55.082Z