# MariaDB Galera Cluster 5.5.41 Release Notes

The most recent [MariaDB Galera Cluster 5.5](https://github.com/mariadb-corporation/docs-release-notes/blob/test/kb/en/galera/README.md) release is:[**MariaDB Galera Cluster 5.5.63**](https://mariadb.com/docs/release-notes/community-server/old-releases/mariadb-galera-cluster-releases/mariadb-galera-55-release-notes/mariadb-galera-cluster-5563-release-notes) [Download Now](https://downloads.mariadb.org/mariadb-galera/5.5.63)

[Download](https://downloads.mariadb.org/mariadb-galera/5.5.41)[Release Notes](https://mariadb.com/docs/release-notes/community-server/old-releases/mariadb-galera-cluster-releases/mariadb-galera-55-release-notes/mariadb-galera-cluster-5541-release-notes)[Changelog](https://mariadb.com/docs/release-notes/community-server/old-releases/mariadb-galera-cluster-releases/mariadb-galera-55-changelogs/mariadb-galera-cluster-5541-changelog)[Overview of MariaDB Galera Cluster](https://github.com/mariadb-corporation/docs-release-notes/blob/test/kb/en/what-is-mariadb-galera-cluster/README.md)

**Release date:** 6 Jan 2015

MariaDB Galera Cluster 5.5.41 is a [***Stable***](https://mariadb.com/docs/release-notes/community-server/about/release-criteria) (GA) release.\
It is a merge of [MariaDB 5.5.41](https://mariadb.com/docs/release-notes/community-server/old-releases/5.5/5.5.41) and [Galera Cluster](https://codership.com/content/using-galera-cluster) with\
additional bug fixes.

Various articles about MariaDB Galera Cluster, including [known limitations](https://app.gitbook.com/s/3VYeeVGUV4AMqrA3zwy7/reference/mariadb-galera-cluster-known-limitations) and [how to get started](https://app.gitbook.com/s/3VYeeVGUV4AMqrA3zwy7/galera-management/installation-and-deployment/getting-started-with-mariadb-galera-cluster) are\
available in the [**Galera**](https://github.com/mariadb-corporation/docs-release-notes/blob/test/kb/en/galera/README.md) section of the documentation.

For a list of changes made in MariaDB Galera Cluster 5.5.41, with links to detailed\
information on each push, see the [MariaDB Galera Cluster 5.5.41 Changelog](https://mariadb.com/docs/release-notes/community-server/old-releases/mariadb-galera-cluster-releases/mariadb-galera-55-changelogs/mariadb-galera-cluster-5541-changelog).

## Notes about this release

* MariaDB Galera Cluster 5.5.41 includes [MariaDB 5.5.41](https://mariadb.com/docs/release-notes/community-server/old-releases/5.5/5.5.41) with Codership\
  additions (`lp:codership-mysql/5.5` till revision `4026`) and [Galera 25.3.5](https://codership.com/content/using-galera-cluster).
* This version of MariaDB Galera Cluster supports `wsrep` API v25 which means\
  MariaDB Galera Cluster can be used with either a 25.2.x or 25.3.x\
  Galera `wsrep` provider. A 25.3.x `wsrep` provider is included in the\
  MariaDB repositories and both 25.3.x and 25.2.x wsrep providers are available\
  on the [downloads](https://downloads.mariadb.org/mariadb-galera/5.5.41) page.

See the [MariaDB 5.5.41 Release Notes](https://mariadb.com/docs/release-notes/community-server/old-releases/5.5/5.5.41) and [Changelog](https://mariadb.com/docs/release-notes/community-server/changelogs/changelogs-mariadb-55-series/mariadb-5541-changelog) for more information on the changes in\
MariaDB.

Note: If Galera 25.2.x and 25.3.x are both being used in the cluster, MariaDB\
with Galera 25.3.x must be started with [wsrep\_provider\_options='socket.checksum=1'](https://app.gitbook.com/s/3VYeeVGUV4AMqrA3zwy7/reference/wsrep-variable-details/wsrep_provider_options#socketchecksum) in order to make it backward\
compatible with Galera v2. Galera wsrep providers other than 25.3.x or 25.2.x\
are not supported.

Thanks, and enjoy MariaDB Galera Cluster!

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