Maintenance Window
We are experiencing intermittent issues with iOS Simulators and MacOS desktop browser tests in our US-West data center, caused by a third-party service disruption. Our engineering team is actively coordinating with the provider to restore full service.
2026-January-5 Service Incident
Incident
Report for Sauce Labs
Postmortem
Dates:
Monday, January 5th 2026, 20:40 UTC - 21:04 UTC.
What happened:
There was a decrease in Real Device availability in the US-West-1 datacenter.
Why it happened:
During a planned traffic flow migration, a network policy applied to the new traffic path was more restrictive than intended and this resulted in a subset of Real Devices (~40%) failing to maintain required connectivity.
Although the change followed standard change management and peer review processes, the issue was not identified prior to activation.
How we fixed it:
The network policy was corrected and affected services recovered.
What we are doing to prevent it from happening again:
We are reviewing our network change processes to provide earlier detection of unintended behaviour during planned changes.
Resolved
We were experiencing device unavailability in our private device cloud in the US data center and we have deployed a fix. This issue has been resolved. All services are fully operational.
Monitoring
We have been experiencing device unavailability in our private device cloud in the US data center and have identified the root cause. We have deployed a fix and we are monitoring.
This incident affected: Automated Real Device Testing (US-West) and Live Real Device Testing (US-West).