WordPress 3.3 Sonny is the newest released WP version this December 2011, once you set it up, you will see “Welcome To WordPress 3.3” message.
When is wordpress 3.3 release date? In this developement page, you will be able to follow any updates of the planned wordpress 3.3.
The new wordpress version 3.0 is released today, the date is June 18th Europe time. I have upgraded my blog successfully, and there are new features that i thought i will share with you.