Latest version of WordPress, version 2.8 code named “Baker” is available for download. WordPress 2.8 features improvements to themes, widgets, taxonomies, and overall speed. In addition to improvements the new version consist of over 790 bugs fixes. You can read the full list of over 180 new features, changes, upgrades, and improvements on the Codex.
You may not be able to notice difference between 2.7 and 2.8 at first glance. As a theme developer you must take a look at the improvements in widgets management and users ability to find and select new themes. If you also make edits to themes or plugins from your dashboard, you’ll appreciate the new editor which now gives syntax highlighting.
As an end users you will have the ability to set screen options on every page and you can setup dashboard layout in up to four columns (great for users with wide screens). To learn more about the new release read post by Matt Mullenweg on the official WordPress Blog.