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[[http://askmonty.org/wiki/MariaDB:Download:MariaDB_5.2.1-beta|Download]] | **Release Notes** | [[mariadb-521-changelog|Changelog]]
**Release date:** 18 Jun 2010
=== Release Notes
See the [[mariadb-versus-mysql|MariaDB versus MySQL]] page for a high-level overview of the differences between MariaDB and MySQL.
The [[mariadb-521-changelog|Changelog]] has a detailed list of the changes inluded in this release. For a description of this release see the [[what-is-mariadb-51|MariaDB 5.1 overview]].
==== OQGraph storage engine
This version of MariaDB includes the [[oqgraph|OQGRAPH storage engine]].
==== Extending CREATE TABLE
This version of MariaDB includes some bugfixes and small changes for mwl#43: //Extending CREATE TABLE//. See [[extending-create-table|Extending CREATE TABLE]] for more information on the new options this worklog gives to storage engine developers.
==== New command line option
This version of MariaDB supports a new command line option <<code>>--plugin-maturity=XXX<</code>>, where <<fixed>>XXX<</fixed>> can be one of
<<fixed>>unknown<</fixed>>,
<<fixed>>experimental<</fixed>>,
<<fixed>>alpha<</fixed>>,
<<fixed>>beta<</fixed>>,
<<fixed>>gamma<</fixed>>,
<<fixed>>stable<</fixed>>.
When used, MySQL will refuse to load plugins that have a maturity less than specified in this command line option.
==== Bugfixes
Several bugfixes and buildbot improvements have also been incorporated into
this version of MariaDB 5.2 including some that were discussed during the
[[storage-engine-summit-2010|2010 Storage Engine summit]]. See the
[[mariadb-521-changelog|changelog]] for links to the details.
