# npm: Major incident: Package Install failures due to "304 Not Modified" responses in Mumbai, India region

**Summary:** _summary pending_
- Kind: Major incident · Label: major (vendor)
- Changed: 2024-12-17 12:50 UTC · Detected: 2026-10-19 17:03 UTC
- [Source: https://stspg.io/6v8d2fkbdgbg](https://stspg.io/6v8d2fkbdgbg)
- [Company: npm](https://rewindex.com/company/npm.md)
- Versions: before (none: first archived) → after incident\_version:671/bxvmmvlqzfds@230fec0bf196
- Change 1 of 1 for this incident

Incident page (full timeline): [Package Install failures due to "304 Not Modified" responses in Mumbai, India region](https://rewindex.com/company/npm/incidents/bxvmmvlqzfds.md)
## What changed

**1. Added: Title**

```diff
+ Package Install failures due to "304 Not Modified" responses in Mumbai, India region
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2024-12-17 12:50 UTC
```

**5. Added: Resolved time**

```diff
+ 2024-12-17 16:19 UTC
```

**6. Added: Affected components**

```diff
+ Package installation
```

**7. Added: Update** (investigating) · 2024-12-17 12:50 UTC

```diff
+ We are currently investigating failures to install packages due to TAR_BAD_ARCHIVE or 304 Not Modified responses for clients in Mumbai, India.
```

**8. Added: Update** (identified) · 2024-12-17 14:37 UTC

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

**9. Added: Update** (monitoring) · 2024-12-17 15:43 UTC

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

**10. Added: Update** (resolved) · 2024-12-17 16:19 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2024-12-17 12:50 UTC | Major incident: Package Install failures due to "304 Not Modified" responses in Mumbai, India region (this change) | major |

All npm changes: [timeline](https://rewindex.com/company/npm/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/i8c7c3a1a946063 · Markdown: https://rewindex.com/change/i8c7c3a1a946063.md · JSON: https://rewindex.com/api/v1/changes/i8c7c3a1a946063 · Generated 2026-10-20T00:01:29.885Z