On dinsdag, mei 28, 2002, at 07:00 , Guido van Rossum wrote:
Now consider my frustration. We go through a lot of efforts to make consecutive releases backwards compatible, to document changes, to introduce warnings about future incompatible changes, etc.
As an aside, note that this backward compatibility is actually a mixed blessing, because it means you don't have to update your modules now, but there will come a time when it is going to bite you.
As a personal example: the MacPython toolbox modules haven't been updated to make use of the GC stuff yet (and that's been there since 2.0, no?), let alone the new type system. And these are almost all generated, so it would probably only take a few dozen lines of code to fix them. And the new type system would be a real boon for some of the modules (such as the windowing and dialog stuff), but because there's no real push (i.e.