The latest version of WordPress has been released and its always a good idea to keep up with the latest version. Usually you can easily download it and upgrade from within your wordpress site.
From the WordPress Blog:
I’m very excited to announce to everyone that the latest and greatest version of WordPress, version 2.8 “Baker,” is immediately available for download.
2.8 represents a nice fit and finish release for WordPress with
improvements to themes, widgets, taxonomies, and overall speed. We also
fixed over 790 bugs. This release is named in honor of noted trumpeter
and vocalist Chet Baker. Here’s a quick video overview of everything in the new release: