backstage/.changeset/hip-ladybugs-behave.md

@backstage/frontend-app-api

@backstage/frontend-app-api
minor

BREAKING: The returned object from createSpecializedApp no longer contains a createRoot() method, and it instead now contains apis and tree.

You can replace existing usage of app.createRoot() with the following:

const root = tree.root.instance?.getData(coreExtensionData.reactElement);