Based on MySQL 5.6.12, including all the bug fixes in it, Percona Server 5.6.12-60.4 is the second RC release in the Percona Server 5.6 series. All of Percona‘s software is open-source and free, all the details of the release can be found in the 5.6.12-60.4 milestone at Launchpad.
Percona Server has implemented support for supplementary groups for PAM Authentication Plugin.
mysql_install_db did not work properly in debug and Valgrind builds. Bug fixed #1179359.
Fixed yum dependencies that were causing conflicts in CentOS 6.3 during installation. Bug fixed #1051874.
Fixed the upstream bug #68354 that could cause server to crash when performing update or join on Federated and MyISAM tables with one row, due to incorrect interaction between Federated storage engine and the optimizer. Bug fixed #1182572.