CentOS 5.10 is an updated build of the project's distribution built from source code of the recently-released Red Hat Enterprise Linux 5.10. New features in this release are as follows: MySQL versions 5.1 and 5.5 are now available, MySQL 5.1 is only provided for assisting in upgrading MySQL 5.0 databases to MySQL 5.5 and it should not be used in production environments; there will be no more security updates for the 5.0 and 5.1 versions of MySQL; a new package, gcc-libraries, consisting of libraries libatomic and libitm, is now available - these libraries provide support for certain atomic operations and transactional memory; the HP cciss RAID driver has been updated to the latest version.
About CentOS
CentOS as a group is a community of open source contributors and users. Typical CentOS users are organisations and individuals that do not need strong commercial support in order to achieve successful operation. CentOS is 100% compatible rebuild of the Red Hat Enterprise Linux, in full compliance with Red Hat's redistribution requirements. CentOS is for people who need an enterprise class operating system stability without the cost of certification and support.