By Reggie on May 21, 2012
It is now available in source and binary form from http://dev.mysql.com/downloads/connector/net/#downloads and mirror sites (note that not all mirror sites may be up to date at this point-if you can't find this version on some mirror, please try again later or choose another download site.)
You can read about the changes in this version at http://dev.mysql.com/doc/refman/5.5/en/connector-net-news-6-4-5.html
You can find our team blog at http://blogs.oracle.com/MySQLOnWindows. You can also post questions on our forums at http://forums.mysql.com/.
Enjoy and thanks for the support!