Using Ruby on Rails without ActiveRecord does make sense for a number of applications. For example, an edge caching API which uses Redis on the backend. Helm is a package manager for K8S but it isn't the package manager for K8S, which is probably why it's kept separate. ActiveRecord was the ORM for Rails, before it was extracted and called "ActiveRecord" as a separate thing. Helm, however, is coming from the opposite direction -- and until it becomes something you can't use K8S without, then I'm happy to see them kept separate.