WordPress 3.0 (Thelounious) has been released this week. I just updated the blog with the new version. I had no problem during the upgrade process, all automatically. Good job !
This major release of WordPress solve more tan 1200 bug, add several performance improvements and add several new features :
- Merge of WordPress MU : You can now add several different blogs on the same installation of WordPress
- New default Theme : Twenty Ten
- Bulk updates for the plugins. You can updates all your plugins and themes at once.
- More possibilities for the themes : custom background, headers, shortlinks, …
- Custom post types
- Lighter interface
If you want more information, this video can help you :