> except for some small things that are documented I can't think of any established language that doesn't fit that exact criteria. The last major language bre

> except for some small things that are documented I can't think of any established language that doesn't fit that exact criteria. The last major language breakage I'm aware of was either the .Net 2 to 3 or Python 2 to 3 changes (not sure which came first). Otherwise, pretty much every language that makes a break will make it in a small fashion that's well documented.