# 2025-December-17 Resolved Service Incident

- Provider: [Sauce Labs](https://down.guide/saucelabs)
- Level: confirmed
- Impact: Operational
- lasted 0m
- started 2025-12-18 15:52 UTC
- id: DWN-585495110d
- Official page: https://stspg.io/t1bqjv1793c4

## Updates from Sauce Labs
### 2025-12-17 10:30 UTC: resolved
Between 10:37 UTC December 17th and 11:59 UTC December 18th, we were experiencing issues downloading applications via Mobile App Distribution. This issue has been resolved. All services are fully operational.

### 2026-01-05 16:04 UTC: postmortem
When it happened:
Wednesday, December 17th 2025, 10:37 UTC - Thursday, December 18th 2025, 11:59 UTC
What happened:
Applications were unable to be downloaded via Mobile App Distribution for a subset of customers.
Why it happened:
A product change combined with an increased and sustained load resulted in higher resource usage than anticipated, exceeding established limits for certain clients.
How we fixed it:
The service was rolled back to a stable version.
What we are doing to prevent it from happening again:
There are multiple improvements planned. 
1. Improved monitoring & alerting, 
2. Enhanced post-deployment validation
3. Capacity planning forecasting
4. More advanced communication where possible ahead of major changes
5. Adding canary to the roll out process

From the builder: does your app depend on Sauce Labs? [Sazabi](https://www.sazabi.com/?utm_source=down-guide&utm_medium=markdown&utm_content=saucelabs) detects problems in your own logs without hand-written monitors, and you can ask it in plain language which errors mention Sauce Labs.

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