> These days it's perfectly solved If you mean maintaining separate versions of the same dependency, that doesn't "perfectly solve" the problem because you sti

> These days it's perfectly solved If you mean maintaining separate versions of the same dependency, that doesn't "perfectly solve" the problem because you still can't take an object returned from one library (or something that depends on it and exposes that dependency) and pass it to another library without breakage, which can often be silent and subtle.