# Statsig: Major incident: Degraded SDK initialization global success rate

**Summary:** Statsig reported a major partial outage affecting SDK initialization APIs (/v1/initialize, /v1/download\_config\_specs, /v2/download\_config\_specs) in all clusters, reducing initialization success. It started at 2025-10-30 18:56 UTC and was resolved at 2025-10-30 19:20 UTC, lasting 24 min. The vendor attributed it to a networking configuration change and said it was reverting that change. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2025-10-30 18:56 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/d4l9952m4nkl](https://stspg.io/d4l9952m4nkl)
- [Company: Statsig](https://rewindex.com/company/statsig.md)
- Versions: before (none: first archived) → after incident\_version:208/zs0fz4ssmv6j@52818a611007
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Degraded SDK initialization global success rate
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-10-30 18:56 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-10-30 19:20 UTC
```

**6. Added: Affected components**

```diff
+ Asia Southeast 1, Config Delivery API - Asia Southeast 1, Config Delivery API - Europe West 1, Config Delivery API - US East 1, Config Delivery API - US East 5, Config Delivery API - US West 1, Europe West 1, US East 1, US East 5, US West 1
```

**7. Added: Update** (investigating) · 2025-10-30 18:56 UTC

```diff
+ Starting at 11:56AM PST, a networking configuration change caused a partial outage for SDK initialization APIs (/v1/initialize, /v1/download_config_specs, /v2/download_config_specs) in all clusters. The team is in the process of fast reverting this change, which will restore availability shortly. Mitigated: 10/30/2025 12:20:00 GMT-0700 (Pacific Daylight Time)
```

**8. Added: Update** (resolved) · 2025-10-30 19:20 UTC

```diff
+ Resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-10-30 18:56 UTC | Major incident: Degraded SDK initialization global success rate (this change) | outage |

All Statsig changes: [timeline](https://rewindex.com/company/statsig/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/iebc3d5271ca966 · Markdown: https://rewindex.com/change/iebc3d5271ca966.md · JSON: https://rewindex.com/api/v1/changes/iebc3d5271ca966 · Generated 2026-10-18T03:55:38.922Z