I think if we started trying to track the version numbers of questions and answers, and attached them to existing answers and questions, things would sort thems

I think if we started trying to track the version numbers of questions and answers, and attached them to existing answers and questions, things would sort themselves out rather quickly. The real problem is asking a question about how to do something in Java 8, becoming the canonical answer, and now we're on Java 25 and your answer is still on top even though we've gone through two new strategies for idiomatically representing that slice of code in the API and there's a 3rd in beta testing.