Perconaannounces the release of Percona Server for MySQL 5.5.57-38.9 on August 23, 2017. Based on MySQL 5.5.57, including all of its bug fixes, Percona Server for MySQL 5.5.57-38.9 is now the current stable release in the 5.5 series.
NOTE: Red Hat Enterprise Linux 5 (including CentOS 5 and other derivatives), Ubuntu 12.04 and older versions are no longer supported by Percona software. The reason for this is that these platforms reached the end of life, will not receive updates and are not recommended for use in production.
#1702903: Added support of OpenSSL 1.1.
Added support and packages for Debian 9 (stretch). Covers only the amd64 architecture.
Stopped providing packages for RHEL 5 (CentOS 5) and Ubuntu 12.04.
#1622985: Downgraded diagnostic severity from warning to normal note for successful doublewrite buffer recovery.
#1661488: Fixed crash of debug server build when two clients connected, one of them enabled userstat and ran either FLUSH CLIENT_STATISTICS or FLUSH USER_STATISTICS, and then both clients exited.
#1673656: Added support for wildcards and Subject Alternative Names (SAN) in SSL certificates for --ssl-verify-server-cert. For more information, see the compatibility matrix at the end of this post.
#1705729: Fixed the postinst script to correctly locate the datadir.
#1709834: Fixed the mysqld_safe script to correctly locate the basedir.
[*]Minor fixes: #1160986, #1684601, #1689998, #1690012.