Based on MySQL 5.5.12, Percona Server 5.5.12-20.3 is now the current stable release in the 5.5 series.
The list of authors of the plugins used have been corrected. Bug Fixes:#723050 (Y. Kinoshita)
For more information, please see the following links:
ERRATA: Due to misconceptions, bugs already fixed in the past release (5.5.11-20.2) were included in the Release Notes of this version. They have been removed for consistency, I apologize for any inconvenience.