> 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/10.3/10.3.4.md).

# MariaDB 10.3.4 Release Notes

The most recent release of [MariaDB 10.3](/docs/release-notes/community-server/old-releases/10.3/what-is-mariadb-103.md) is:[**MariaDB 10.3.39**](/docs/release-notes/community-server/old-releases/10.3/10.3.39.md) Stable (GA) [Download Now](https://downloads.mariadb.org/mariadb/10.3.39/)

[Download](https://downloads.mariadb.org/mariadb/10.3.4) | [Release Notes](/docs/release-notes/community-server/old-releases/10.3/10.3.4.md) | [Changelog](/docs/release-notes/community-server/changelogs/changelogs-mariadb-10-3-series/mariadb-1034-changelog.md) | [Overview of 10.3](/docs/release-notes/community-server/old-releases/10.3/what-is-mariadb-103.md)

**Release date:** 18 Jan 2018

[MariaDB 10.3](/docs/release-notes/community-server/old-releases/10.3/what-is-mariadb-103.md) is the current development series of MariaDB. It is an evolution of [MariaDB 10.2](/docs/release-notes/community-server/old-releases/10.2/what-is-mariadb-102.md) with several entirely new features not found anywhere else and with backported and reimplemented features from MySQL.

[MariaDB 10.3.4](/docs/release-notes/community-server/old-releases/10.3/10.3.4.md) is a [***Beta***](/docs/release-notes/community-server/about/release-criteria.md) release.

**Do not use *****Beta***** releases on production systems!**

**For an overview of** [**MariaDB 10.3**](/docs/release-notes/community-server/old-releases/10.3/what-is-mariadb-103.md) **see the** [**What is MariaDB 10.3?**](/docs/release-notes/community-server/old-releases/10.3/what-is-mariadb-103.md) **page.**

Thanks, and enjoy MariaDB!

## Notable Changes

This is the second beta release in the [MariaDB 10.3](/docs/release-notes/community-server/old-releases/10.3/what-is-mariadb-103.md) series.

Notable changes of this release include:

* [System-versioned tables](/docs/server/reference/sql-structure/temporal-tables/system-versioned-tables.md) ([MDEV-12894](https://jira.mariadb.org/browse/MDEV-12894))
* The [MyRocks](/docs/server/server-usage/storage-engines/myrocks.md) storage engine is now Beta.
* [MDEV-14837](https://jira.mariadb.org/browse/MDEV-14837) - Duplicate primary keys are allowed after ADD COLUMN / UPDATE
* [MDEV-14848](https://jira.mariadb.org/browse/MDEV-14848) - [MariaDB 10.3](/docs/release-notes/community-server/old-releases/10.3/what-is-mariadb-103.md) refuses InnoDB crash-upgrade from [MariaDB 10.2](/docs/release-notes/community-server/old-releases/10.2/what-is-mariadb-102.md)
* [MDEV-14717](https://jira.mariadb.org/browse/MDEV-14717) - RENAME TABLE in InnoDB is not crash-safe
* [MDEV-14952](https://jira.mariadb.org/browse/MDEV-14952) - Avoid repeated calls to btr\_get\_search\_latch()
* [MDEV-14638](https://jira.mariadb.org/browse/MDEV-14638) - Replace trx\_sys\_t::rw\_trx\_set with LF\_HASH
* Added the `tail-lines` option to [mysql-test-run](/docs/server/clients-and-utilities/testing-tools/mariadb-test/mariadb-test-run-pl-options.md)
* As per the [MariaDB Deprecation Policy](/docs/release-notes/community-server/about/platform-deprecation-policy.md), this will be the last release of [MariaDB 10.3](/docs/release-notes/community-server/old-releases/10.3/what-is-mariadb-103.md) for Ubuntu 17.04 "zesty"

**Do not use *****Beta***** releases on production systems!**

For a complete list of changes made in [MariaDB 10.3.4](/docs/release-notes/community-server/old-releases/10.3/10.3.4.md), with links to detailed information on each push, see the [changelog](/docs/release-notes/community-server/changelogs/changelogs-mariadb-10-3-series/mariadb-1034-changelog.md).

{% 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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