35 Changes in MySQL 5.6.4 (2011-12-20, Milestone 7)


This is a milestone release, for use at your own risk. Significant development changes take place in milestone releases and you may encounter compatibility issues, such as data format changes that require attention in addition to the usual procedure of running mysql_upgrade. For example, you may find it necessary to dump your data with mysqldump before the upgrade and reload it afterward.

Condition Handler Changes

Fractional Seconds Handling

InnoDB Notes

Optimizer Notes

Performance Schema Notes

Functionality Added or Changed

Bugs Fixed