The API docs in 2.6 has documentation on Ember.Logger, Ember.Logger - 2.6 - Ember API Documentation , but in 2.7 it has been removed: Ember - 2.7 - Ember API Documentation
Why is that? I can see that GitHub - ember-learn/ember-api-docs: Ember API Docs viewer doesn’t seem to be versioned, so I guess it is something that changed in the core Ember code. I don’t see a deprecation for it.