The public API at the source level is very stable. I mean, my major touchstone is Ruby-land, and over there there's nothing like it. Even point releases of lib

The public API at the source level is very stable. I mean, my major touchstone is Ruby-land, and over there there's nothing like it. Even point releases of libraries or the language itself can and will routinely break your code. I've never seen that happen with Scala. Not saying it definitively hasn't, but I certainly haven't experienced it, and that's not because I'm using less of Scala than I did of Ruby... It feels like shifting the goal posts to say that binary compatibility should be a bigger factor in versioning (and it's already represented in the minor version) when you've already arguably got better stability guarantees than many of it's contemporaries. Unless we really are limiting the conversation to Java. But how do you compete with "we never break compatibility at the cost of never evolving"?