Resolved after 4 hours 29 minutes, on July 1, 2026.
### **Dates:** Wednesday July 1st 2026, 17:02 UTC - 21:31 UTC ### **What happened:** macOS 14 tests in the US West and EU Central data centers were unable to start. ### **Why it happened:** An internal datasource was unavailable due to a missing configuration entry. ### **How we fixed it:** The missing entry was replaced. ### **What we are doing to prevent it from happening again:** Safeguards have been put in place to prevent in-use datasource removal from configuration.
Update timeline
- resolved Jul 01, 2026, 09:37 PM UTC
On July 1st between 17:02 UTC and 21:31 UTC, macOS 14 tests were failing to start in the US-West and EU-Central data centers. This issue has been resolved. All services are fully operational.
- postmortem Aug 11, 2026, 08:37 PM UTC
### **Dates:** Wednesday July 1st 2026, 17:02 UTC - 21:31 UTC ### **What happened:** macOS 14 tests in the US West and EU Central data centers were unable to start. ### **Why it happened:** An internal datasource was unavailable due to a missing configuration entry. ### **How we fixed it:** The missing entry was replaced. ### **What we are doing to prevent it from happening again:** Safeguards have been put in place to prevent in-use datasource removal from configuration.
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