@kim @karlauerbach I'll note that Perl mostly isn't that way. It is backward compatible to an absurd degree. I can't explain why that isn't a feature many people consider valuable enough to choose it over Python (I do, but don't have a choice at work). But I'm excited to be able to use Go for most of my new code, including at work, and it also largely avoids the problem (via a wildly different mechanism, but the end result is I can distribute my software to any Linux box and it Just Works).