# Mixpanel: Major incident: Issues Populating Event Properties in dropdown menus

**Summary:** Mixpanel reported a major incident affecting event-property population in dropdown menus across EU, IN and US application availability. It started at 2026-08-19 23:20 UTC and was resolved at 2026-08-20 03:05 UTC, lasting 3 h 44 min. A fix was implemented before resolution; no cause was stated. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-08-19 23:20 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/f5cgy867j1tj](https://stspg.io/f5cgy867j1tj)
- [Company: Mixpanel](https://rewindex.com/company/mixpanel.md)
- Versions: before (none: first archived) → after incident\_version:55/ldsr5xfq69j5@73dc01355972
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Issues Populating Event Properties in dropdown menus
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-08-19 23:20 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-08-20 03:05 UTC
```

**6. Added: Affected components**

```diff
+ Application Availability - Application Availability (EU), Application Availability - Application Availability (IN), Application Availability - Application Availability (US), Application Availability (EU), Application Availability (IN), Application Availability (US)
```

**7. Added: Update** (identified) · 2026-08-19 23:20 UTC

```diff
+ We are currently experiencing issues with populating event properties in dropdown menus. We appreciate your patience while our engineers work to restore functionality. If you have any questions, please contact support@mixpanel.com
```

**8. Added: Update** (identified) · 2026-08-19 23:23 UTC

```diff
+ We are continuing to work on a fix for this issue.
```

**9. Added: Update** (identified) · 2026-08-20 01:04 UTC

```diff
+ We are continuing to work on a fix for this issue.
```

**10. Added: Update** (monitoring) · 2026-08-20 02:52 UTC

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

**11. Added: Update** (resolved) · 2026-08-20 03:05 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-08-19 23:20 UTC | Major incident: Issues Populating Event Properties in dropdown menus (this change) | outage |

All Mixpanel changes: [timeline](https://rewindex.com/company/mixpanel/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/ic7d1c41a7a305d · Markdown: https://rewindex.com/change/ic7d1c41a7a305d.md · JSON: https://rewindex.com/api/v1/changes/ic7d1c41a7a305d · Generated 2026-10-18T02:29:19.268Z