WordPress 2.9 has been released on 18 December 2009. Many improvements and additional features in this version. immediately update your wordpress to wordpress 2.9 to get better performance.
The coolest new stuff from a user point of view is:
1. Global undo/”trash” feature, which means that if you accidentally delete a post or comment you can bring it back from the grave (i.e., the Trash). This also eliminates those annoying “are you sure” messages we used to have on every delete.
2. Built-in image editor allows you to crop, edit, rotate, flip, and …