I had some of the same thoughts reading the article, but I could not articulate them as well as you did. A good resource for the details about what constitutes

I had some of the same thoughts reading the article, but I could not articulate them as well as you did. A good resource for the details about what constitutes a breaking change is Rich Hickey's talk about Clojure's Spec. [1] [1]: https://youtube.com/watch?v=oyLBGkS5ICk https://youtube.com/watch?v=oyLBGkS5ICk