The new version of WordPress has been released. It’s the 2.5 version and I just upgraded HTMLCenter. As a reader you should see the same experience as always. The backend admin has been completely overhauled and so far, it is damn smooth. Things are in some different places but it takes advantage of a variety of newer technologies and the posting tool is sweet. I am very impressed. There are tons of new features, WordPress founder Matt Mullenweg has an overview of all of the features.
Here are some other good reviews of WordPress 2.5: