I used to maintain some open source libraries and absolutely no change we would release would break anything and definitely not over a minor version. We even di

I used to maintain some open source libraries and absolutely no change we would release would break anything and definitely not over a minor version. We even did a major rewrite that completely changed the API and we broke nothing, but it did mean your project got a lot of deprecation errors. And our docs would mention both the old and new way so if you were searching the Internet for help, you wouldn't get confused when you saw wildly completely examples. It's all about craftmanship.