2026-July-14 Service Incident

Update timeline

1. investigating Jul 14, 2026, 05:19 PM UTC

   We are experiencing an issue in the EU Central 1 data center, where iOS ARM Simulator app tests fail with infrastructure errors. We are investigating.

2. investigating Jul 14, 2026, 06:05 PM UTC

   App downloads are taking longer than expected when these infrastructure errors are seen. We are continuing to investigate.

3. monitoring Jul 14, 2026, 06:56 PM UTC

   We have deployed a fix for this issue. Tests should now be performing as expected in the EU Central 1 data center. We are monitoring.

4. monitoring Jul 14, 2026, 07:11 PM UTC

   We are continuing to monitor for any further issues.

5. resolved Jul 14, 2026, 08:23 PM UTC

   After taking remedial action and monitoring the situation, we are seeing iOS ARM application tests perform as expected in the EU Data Center. All services are fully operational.

6. postmortem Jul 29, 2026, 05:40 PM UTC

   ### **Dates:** Tuesday July 14th 2026, 09:00 - 18:28 UTC ### **What happened:** iOS ARM tests running in our EU data center failed. ### **Why it happened:** A fault occurred with our primary network provider in our EU data center. ### **How we fixed it:** We failed over to a secondary network provider from our EU data center. ### **What we are doing to prevent it from happening again:** We've improved our monitoring and alerting to catch issues with third party network providers.