> 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/10.3/10.3.2.md).

# MariaDB 10.3.2 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/10.3.2) | [Release Notes](/docs/release-notes/community-server/old-releases/10.3/10.3.2.md) | [Changelog](/docs/release-notes/community-server/changelogs/changelogs-mariadb-10-3-series/mariadb-1032-changelog.md) | [Overview of 10.3](/docs/release-notes/community-server/old-releases/10.3/what-is-mariadb-103.md)

**Release date:** 9 Oct 2017

**Do not use&#x20;*****alpha*****&#x20;releases in production!**

[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 10.3.2](/docs/release-notes/community-server/old-releases/10.3/10.3.2.md) is an [***Alpha***](/docs/release-notes/community-server/about/release-criteria.md) release.

**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

Notable changes of this release include:

* [Instant ADD COLUMN](/docs/server/server-usage/storage-engines/innodb/innodb-online-ddl/instant-add-column-for-innodb.md) ([MDEV-11369](https://jira.mariadb.org/browse/MDEV-11369)) — Tencent Game DBA Team, developed by vinchen.
* [UPDATE statements with the same source and target](/docs/server/reference/sql-statements/data-manipulation/changing-deleting-data/update.md#update-statements-with-the-same-source-and-target) ([MDEV-12874](https://jira.mariadb.org/browse/MDEV-12874)) — from Jerome Brauge.
* [ORDER BY](/docs/server/reference/sql-statements/data-manipulation/selecting-data/order-by.md) and [LIMIT](/docs/server/reference/sql-statements/data-manipulation/selecting-data/limit.md) in multi-table update ([MDEV-13911](https://jira.mariadb.org/browse/MDEV-13911))
* [DATE\_FORMAT(date, format, locale)](/docs/server/reference/sql-functions/date-time-functions/date_format.md) - 3 argument form of DATE\_FORMAT ([MDEV-11553](https://jira.mariadb.org/browse/MDEV-11553))

### Compression

* [Storage-engine Independent Column Compression](/docs/server/ha-and-performance/optimization-and-tuning/optimization-and-tuning-compression/storage-engine-independent-column-compression.md) ([MDEV-11371](https://jira.mariadb.org/browse/MDEV-11371)) — Tencent Game DBA Team, developed by willhan, also thanks to AliSQL.

### Encryption

* Temporary files created by merge sort and row log are encrypted if [innodb\_encrypt\_log](/docs/server/server-usage/storage-engines/innodb/innodb-system-variables.md) is set to `1`, regardless of whether the table encrypted or not ([MDEV-12634](https://jira.mariadb.org/browse/MDEV-12634)).

### Variables

* [version\_source\_revision](/docs/server/server-management/variables-and-modes/server-system-variables.md#version_source_revision) - permits seeing which version of the source was used for the build ([MDEV-12583](https://jira.mariadb.org/browse/MDEV-12583)).
* Renamed `idle_readwrite_transaction_timeout` to [idle\_write\_transaction\_timeout](/docs/server/server-management/variables-and-modes/server-system-variables.md#idle_write_transaction_timeout).

The following deprecated variables have been removed:

* [innodb\_mtflush\_threads](/docs/server/server-usage/storage-engines/innodb/innodb-system-variables.md)
* [innodb\_use\_mtflush](/docs/server/server-usage/storage-engines/innodb/innodb-system-variables.md)

**Do not use&#x20;*****alpha*****&#x20;releases in production!**

For a complete list of changes made in [MariaDB 10.3.2](/docs/release-notes/community-server/old-releases/10.3/10.3.2.md), with links to detailed information on each push, see the [changelog](/docs/release-notes/community-server/changelogs/changelogs-mariadb-10-3-series/mariadb-1032-changelog.md).

{% hint style="info" %}
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