> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/release-notes/community-server/old-releases/11.0/11.0.0.md).

# MariaDB 11.0.0 Release Notes

The most recent release of [MariaDB 11.0](/docs/release-notes/community-server/old-releases/11.0/what-is-mariadb-110.md) is:[**MariaDB 11.0.6**](/docs/release-notes/community-server/old-releases/11.0/11.0.6.md) Stable (GA) [Download Now](https://downloads.mariadb.org/mariadb/11.0.6/)

[Download](https://downloads.mariadb.org/mariadb/11.0.0) | [Release Notes](/docs/release-notes/community-server/old-releases/11.0/11.0.0.md) | [Changelog](/docs/release-notes/community-server/changelogs/11.0.md) | [Overview of 11.0](/docs/release-notes/community-server/old-releases/11.0/what-is-mariadb-110.md)

**Release date:** 27 Dec 2022

**Do not use *****alpha***** releases in production!**

[MariaDB 11.0](/docs/release-notes/community-server/old-releases/11.0/what-is-mariadb-110.md) is a current development series of MariaDB, and will be maintained for one year after its Generally Available release. It is an evolution of [MariaDB 10.11](/docs/release-notes/community-server/10.11/what-is-mariadb-1011.md) with several entirely new features.

[MariaDB 11.0.0](/docs/release-notes/community-server/old-releases/11.0/11.0.0.md) is a single preview release. Features are to be considered preview, and none are guaranteed to make it into [MariaDB 11.0](/docs/release-notes/community-server/old-releases/11.0/what-is-mariadb-110.md).

The preview is available as a container **quay.io/mariadb-foundation/mariadb-devel:10.11-preview**.

**For an overview of** [**MariaDB 11.0**](/docs/release-notes/community-server/old-releases/11.0/what-is-mariadb-110.md) **see the**[**What is MariaDB 11.0?**](/docs/release-notes/community-server/old-releases/11.0/what-is-mariadb-110.md) **page.**

Thanks, and enjoy MariaDB!

## New optimizer cost model

This is the main change that practically defines this release. Read about new optimizer cost model on its own page

## Galera

* [MDEV-22570](https://jira.mariadb.org/browse/MDEV-22570) Implement wsrep\_provider\_options as plugin
* [MDEV-29281](https://jira.mariadb.org/browse/MDEV-29281) Add details about node eviction status to the JSON file with Galera node status

## Removing/Deprecating old code

* [MDEV-29694](https://jira.mariadb.org/browse/MDEV-29694) Remove the [InnoDB change buffer](/docs/server/server-usage/storage-engines/innodb/innodb-change-buffering.md)
* [MDEV-30136](https://jira.mariadb.org/browse/MDEV-30136) Deprecate [innodb\_flush\_method](/docs/server/server-usage/storage-engines/innodb/innodb-system-variables.md#innodb_flush_method)
* [MDEV-29983](https://jira.mariadb.org/browse/MDEV-29983) Deprecate [innodb\_file\_per\_table](/docs/server/server-usage/storage-engines/innodb/innodb-system-variables.md#innodb_file_per_table)
* [MDEV-30128](https://jira.mariadb.org/browse/MDEV-30128) remove support for 5.1- replication events
* [MDEV-29582](https://jira.mariadb.org/browse/MDEV-29582) deprecate mysql\* names
* [MDEV-29227](https://jira.mariadb.org/browse/MDEV-29227) deprecate [explicit\_defaults\_for\_timestamp=0](/docs/server/server-management/variables-and-modes/server-system-variables.md#explicit_defaults_for_timestamp)
* [MDEV-28910](https://jira.mariadb.org/browse/MDEV-28910) remove the 5.5.5- version hack
* [MDEV-29668](https://jira.mariadb.org/browse/MDEV-29668) SUPER no longer allows actions that have fine-grained dedicated privileges

## Other changes

* [MDEV-30203](https://jira.mariadb.org/browse/MDEV-30203) Move mysql compatibility symlinks to different package
* [MDEV-30153](https://jira.mariadb.org/browse/MDEV-30153) ad hoc client versions are confusing
* [MDEV-29986](https://jira.mariadb.org/browse/MDEV-29986) Set [innodb\_undo\_tablespaces=3](/docs/server/server-usage/storage-engines/innodb/innodb-system-variables.md#innodb_undo_tablespaces) by default

{% hint style="info" %}
Be notified of new MariaDB Server releases automatically by [subscribing](https://lists.mariadb.org/postorius/lists/announce.lists.mariadb.org/) to the MariaDB Foundation community announce 'at' lists.mariadb.org announcement list (this is a low traffic, announce-only list). MariaDB plc customers will be notified for all new releases, security issues and critical bug fixes for all MariaDB plc products thanks to the Notification Services.

MariaDB may already be included in your favorite OS distribution. More information can be found on the [Distributions which Include MariaDB](/docs/general-resources/distributions-including-mariadb.md) page.
{% endhint %}

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