Is module unification something you can use today in an app? It seems like a lot of the discussion revolves around usage in addons, corner cases, or require using canary versions of Ember.
Yes, Module Unification is something that is currently available through a feature flag, which means that you can try it out today! Feature flags are the way that experimental features are tested in Ember, so use it in production at your own risk, and be aware that its behavior may change before it becomes part of default Ember. Learn more here about the currently available feature flags and how to use them in general.
Module Unification was proposed in RFC 143, and it was a common theme in Roadmap articles. Although there's a lot to it, some of the most visible benefits are a file structure overhaul and namespaced addons. The new file s