Wordpress 2.8 is released
http://wordpress.org/development/2009/06/wordpress-28/

That is very easy and fast for WordPress 2.7 upgarde. Just upload the latest code, then done. Moreover, that has not the Chinese Characters encoding problems in 2.6.X.

http://wordpress.org/development/2008/12/coltrane/
WordPress 2.7 is released. That is a completely new interface!

Wordpress 2.3.3 is released

http://wordpress.org/development/2007/12/wordpress-232/

Please update your wordpress

Wordpress 2.3 is ready to download. I think this have taggie and pending for review function. Moreover, this version finally has a new WYSIWYG (I am waiting for this so long).