Sure, of course there's much less change, but it's a very deliberate choice of the developer. It was much harder to keep the changes minimal than to write a new

Sure, of course there's much less change, but it's a very deliberate choice of the developer. It was much harder to keep the changes minimal than to write a new much more complex language (like Elm). Coffeescript was a similar great improvement JS that felt so natural that ES6 took a lot of the great parts of it. C++ is treated as a separate language from C, but it just started as C with objects.