从下面的订阅中得到消息,MySQL5.5年底之前会发行GA版本

http://palominodb.com/blog/2010/09/19/mysql-55-now-rc-and-will-be-ga-soon

Earlier this year, the beta of MySQL 5.5 was announced. We all felt excited about the changes in 5.5, especially the large performance improvements. However, many of us proceeded with caution; version 5.4 was previously announced with similar fanfare and we had yet to see a GA version.

我们才刚刚开始用5.1版本,看来还有很长的路要走