As announced on the dev blog, WordPress 2.3 Beta 1 is now available for download and testing. Some of the features of 2.3 include automatic notification for plugin and core code version updates, built-in tags support, faster javascript, and SEO-friendly URL redirection.
The new tag system includes an importer for those using the Ultimate Tag Warrior plugin, and importers for a couple of other popular plugins are in the works. [...]
Tags and Categories in WordPress 2.3
Since the upcoming WordPress 2.3 release will debut the new tagging system, I thought I’d take some time to address what it means to use “tags” versus using “categories”. These things mean different things to different people, as it’s really just a matter of how you want to use them. But let’s examine what tags and categories are, how they are similar, how they are different, and why you might choose to use one system over the other, or use them together.