Changelog for MySQL 5.5.24: http://dev.mysql.com/doc/refman/5.5/en/news-5-5-24.html
Changelog for MySQL 5.1.63: http://dev.mysql.com/doc/refman/5.1/en/news-5-1-63.html
Both versions has security fixes. Should be in custombuild soon.
Changelog for MySQL 5.1.63: http://dev.mysql.com/doc/refman/5.1/en/news-5-1-63.html
Both versions has security fixes. Should be in custombuild soon.