Given the huge volume of questions we get here, it's likely that some newer version of MMA may greatly simplify some answers to questions about improving/refining/avoiding some built-in MMA functionality. One thing in particular that comes to mind is the whole legending issue (legending), where everyone (rightly) recommends avoiding
PlotLegends whenever humanly possible. I think it's probable that Wolfram will fix their terrible legending in future releases making many of the (excellent) answers (and questions) obsolete. Do we then need to go back and re-tag all related questions with the version-8 tag? That's just one example. With every continuing release, volunteers would need to go back through increasing numbers of questions to check if a new answer can, and should be given of the form "Use the MMA function
FooBar to simply solve this." or retag with version-x.
One way around this is to tag every question with the version number of the asker. But this doesn't make sense, either, because if functionality isn't fixed/improved the question would still be relevant for later versions, too.
Any other ideas?
tl;dr How do we deal with new MMA releases making some questions RTFM questions retroactively?