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.
2025-October-28 Resolved Service Incident
Incident
Report for Sauce Labs
Postmortem
Dates:
Tuesday, October 28th 2025, 14:03 UTC - 15:18 UTC (primary incident)
Tuesday, October 28th 2025, 15:18 UTC - Thursday, October 30th 2025, 8:25 UTC (~1% of devices impacted window)
What happened:
Test executions using the 'stable' Appium version gradually decreased in the US-West-1, US-East-4, and EU-Central-1 data centers.
Why it happened:
A product defect was introduced which caused tests using the stable Appium version to fail immediately upon creation.
How we fixed it:
We preformed a rollback to a previous version on the majority of devices on Tuesday, October 28th 2025, 15:18 UTC, With a full service restoration across all devices completed on Thursday, October 30th 2025, 8:25 UTC.
What we are doing to prevent it from happening again:
We have improved monitoring & alerting and enhanced our post-deployment validation processes.
Resolved
Between 14:07 UTC and 15:25 UTC, we experienced a high error rate for automated and manual Real Device tests in the US-West, US-East, and EU data centers. This issue has been resolved. All services are fully operational.