Over a year after CakePHP 2.0 was announced, the team released Release Candidate 1 yesterday. It’s a very exciting news for all Cake developers. CakePHP 2.0 will not work on PHP4 systems anymore. It integrates SimpleTest, a new rewriting URLs structure, better handling in Authentication and new PDO drivers to work the same with different databases.
Checkout more from the original article.
http://bakery.cakephp.org/articles/markstory/2011/09/04/cakephp_2_0_0-rc1_hot_and_fresh