I just upgraded to 2.3, and I’m having problems with my category permalinks. Previously, my category base was defined as “/tag”, so i could go to http://www.petecarpenter.com/tag/topten and get a page containing all posts with that category. Now that native tagging has been introduced, I’m guessing that WP wants to use “/tag/” for, well, tags. Removing the custom base for the category permalinks allows me to use http://www.petecarpenter.com/category/topten, but I still want to use “/tag/” instead or at the very least redirect “/tag/” to “/category/” since I have many incoming links pointing to this. I don’t want to convert all of my categories to tags since there’s currently no tag management system in place. Can I do this with a .htaccess mod_rewrite?
I figured out a workaround for this problem. Under Permalink options, I kept the “Category base” as “/tag” and changed the “Tag base” to “/tags”. If I don’t redefine the tag base, it defaults to “/tag”, which will conflict with the redefined category base, even though no error is reported. Perhaps this error check need to be put in?