Opsgenie change history: Delays observed at JSM, Opsgenie and Compass alert search functionality in US Region

Opsgenie reported major US Region alert-search delays affecting JSM, Opsgenie and Compass, plus degraded web experiences and Alert Rest API performance. The incident started 2025-09-10 15:23 UTC and resolved 2025-09-11 18:45 UTC after a fix was deployed. Alerts continued notifying users, though responder names could be missing.