Yes. Kind of relates to some of my comments and the discussion around the new version snippet.
I also think a way to relate to changes and a version history would be good. But may be needs to be restricted to ‘registered playgrounds’ (see topic and my suggestions). Some of these playgrounds have thousands of iteration (mostly all clumsy attempts) - or even, non-related to the original, serving just as a base from something completely different. You wouldn’t want to go through the list of changes in this case, would you? 
Let me link this to:
…and add a +1 
to your suggestion. TBD how to implement… 