We all seem to agree that the
[wordpress-*] tag to indicate a version number is a bad thing. Version tags should be used very sparingly, but as long as we don't have good guidelines on when to use them and when not, it is hard to do a cleanup. Because the
[wordpress-] prefix makes them very visible, they keep popping up for new questions.
I propose the moderators or site owners do a mass-renaming of all
[wordpress-*] to their
[version-*] equivalents, so they are moved to the side. If possible, the
[wordpress-(number)] pattern should be made illegal (maybe hard to do, because there are other
[wordpress-*] tags that are still useful).
I expect this will greatly reduce the number of new questions with version tags. It would then be more manageable to set up a feed for the
[version-*] tag and retag any new question that uses it. The existing pile of questions with a version tag would then still exist, but it would not encourage new users to use the tag too.