What is the issue with the URL Pattern Standard?

In, 4. Using URL patterns in other specifications, there are two ways to integrate the URLPattern API. However, both of them depends on the ECMAScript realm.

Considering the integration with the compression dictionary transport and the ServiceWorker static routing API, it may not be feasible because they may not have the ECMA realm on the pattern creation or execution.

We need the way to integrate the API without the realm dependency.