该版本基于 MySQL 5.6.12，改进内容包括：
- Percona Server has implemented support for supplementary groups in the PAM Authentication Plugin.
mysql_install_dbdid 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.
RPMinstaller script had the server’s datadir hardcoded to
/var/lib/mysqlinstead of using
my_print_defaultsfunction to get the correct datadir info. Bug fixed #1181753.
- 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.
- Fixed the compiler warnings caused by Atomic write support for Fusion-io devices feature when building Percona Server on non-Linux platforms. Bug fixed #1189429.