The XNA guys have just released the XNA GS 3.0 beta. You can read more about it on the XNA Team Blog, and on the 3.0 beta page. I also recommend checking out Zman's comprehensive list of API changes from 2.0 to 3.0.
Now go ahead and install it!
This is an archive of my old blog (2008–2013), kept online because people still use it. XNA has been discontinued; MonoGame is its open-source successor, and the techniques still apply. Comments are closed.