# Squarespace: Major incident: Acuity Scheduling / Slow loading or 500 errors

**Summary:** Acuity Scheduling experienced a major incident causing slow loading or 500 errors for some customers logging in or taking actions. It started at 2025-10-29 17:40 UTC and was resolved at 2025-10-29 21:31 UTC, lasting 3 h 50 min. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2025-10-29 17:40 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/gngwd0ccwv37](https://stspg.io/gngwd0ccwv37)
- [Company: Squarespace](https://rewindex.com/company/squarespace.md)
- Versions: before (none: first archived) → after incident\_version:260/v6zxmlgd5tfn@dc755d165b1e
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Acuity Scheduling / Slow loading or 500 errors
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-10-29 17:40 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-10-29 21:31 UTC
```

**6. Added: Affected components**

```diff
+ Acuity Scheduling
```

**7. Added: Update** (investigating) · 2025-10-29 17:40 UTC

```diff
+ Some customers may experience slow loading or 500 errors when logging in or taking actions in Acuity.
```

**8. Added: Update** (resolved) · 2025-10-29 21:31 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-10-29 17:40 UTC | Major incident: Acuity Scheduling / Slow loading or 500 errors (this change) | outage |

All Squarespace changes: [timeline](https://rewindex.com/company/squarespace/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/i41d45af57d7bf5 · Markdown: https://rewindex.com/change/i41d45af57d7bf5.md · JSON: https://rewindex.com/api/v1/changes/i41d45af57d7bf5 · Generated 2026-10-18T02:55:00.012Z