# Release Notes for MariaDB Enterprise Server 10.6.23-19

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<p align="center">The most recent release of MariaDB Enterprise Server 10.6 is:</p>

<h4 align="center"><a href="10.6.25-21"><strong>MariaDB Enterprise Server 10.6.25-21</strong></a> <a href="https://mariadb.com/downloads/enterprise/enterprise-server/" class="button primary">Download Now</a></h4>
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<a href="https://mariadb.com/downloads/enterprise/enterprise-server/" class="button primary">Download</a> <a href="10.6.23-19" class="button secondary">Release Notes</a> <a href="changelog-10.6.23-19" class="button secondary">Changelog</a> <a href="whats-new" class="button secondary">Overview of Enterprise Server 10.6</a>

**Release date:** 8 Sep 2025

MariaDB Enterprise Server 10.6.23-19 is a Stable (GA) maintenance release of [MariaDB Enterprise Server 10.6](https://mariadb.com/docs/release-notes/enterprise-server/10.6/whats-new). This release includes a variety of fixes.

## Changes in Storage Engines <a href="#changes-in-storage-engines" id="changes-in-storage-engines"></a>

* This release incorporates MariaDB ColumnStore engine version 23.10.6

## Notable changes <a href="#notable-changes" id="notable-changes"></a>

* [Galera](https://app.gitbook.com/o/diTpXxF5WsbHqTReoBsS/s/3VYeeVGUV4AMqrA3zwy7/) updated to [26.4.23](https://mariadb.com/docs/release-notes/galera-cluster/26.4/26.4.23)

## Issues Fixed <a href="#issues-fixed" id="issues-fixed"></a>

### Can result in data loss

* Adding (with ALTER TABLE) a UNIQUE constraint that is USING HASH to a table with foreign keys could've caused the table to become corrupted. ([MDEV-36852](https://jira.mariadb.org/browse/MDEV-36852))

### Can result in hang or crash

* Server crashes in do\_mark\_index\_columns instead of ER\_DUP\_ENTRY on partitioned table ([MDEV-36817](https://jira.mariadb.org/browse/MDEV-36817))
* CREATE OR REPLACE with self-referencing CHECK hangs forever, cannot be killed ([MDEV-29155](https://jira.mariadb.org/browse/MDEV-29155))
* Segfault on INTERSECT ALL with UNION in Oracle mode ([MDEV-25158](https://jira.mariadb.org/browse/MDEV-25158))
* This commit fixes a bug where Aria tables are used in (master->slave1->slave2) and a backup is taken on slave2. In this case it is possible that the replication position in the backup, stored in mysql.gtid\_slave\_pos, will be wrong. This will lead to replication errors if one is trying to use the backup as a new slave. ([MDEV-36143](https://jira.mariadb.org/browse/MDEV-36143))
* Fatal InnoDB error: Unknown error Temp file write failure ([MDEV-36017](https://jira.mariadb.org/browse/MDEV-36017))
* semi sync makes the master unresponsive when a replica is stopped ([MDEV-36934](https://jira.mariadb.org/browse/MDEV-36934))
* json\_extract crashes in Item\_func\_json\_extract::read\_json ([MDEV-21530](https://jira.mariadb.org/browse/MDEV-21530))
* Inconsistency detected - create sequence ([MENT-2297](https://jira.mariadb.org/browse/MENT-2297))
* Replica stops with "Found invalid event in binary log" ([MENT-2385](https://jira.mariadb.org/browse/MENT-2385))

### Can result in unexpected behaviour

* ALTER TABLE require ALTER privilege on sequence from DEFAULT value expression ([MDEV-36280](https://jira.mariadb.org/browse/MDEV-36280))
* In certain cases privileges on sequences were too restrictive, for example, SELECT on a table might've erroneously required INSERT privilege on a sequences ([MDEV-36870](https://jira.mariadb.org/browse/MDEV-36870))
* AUTO\_INCREMENT leads to non-serializable on results ([MDEV-36330](https://jira.mariadb.org/browse/MDEV-36330))
* UNIQUE constraint that was USING HASH and UNIQUE constrant WITHOUT OVERLAPS could be violated under heavy load in READ COMMITTED transaction isolation mode. ([MDEV-37199](https://jira.mariadb.org/browse/MDEV-37199))
* UNIQUE KEY USING HASH accepting duplicate records ([MENT-2324](https://jira.mariadb.org/browse/MENT-2324))

## Changelog <a href="#changelog" id="changelog"></a>

For the complete list of changes in this release, see the [changelog](https://mariadb.com/docs/release-notes/enterprise-server/10.6/changelog-10.6.23-19).

## Platforms <a href="#platforms" id="platforms"></a>

In alignment to the [enterprise lifecycle](https://mariadb.com/docs/release-notes/enterprise-server/about/enterprise-server-lifecycle), MariaDB Enterprise Server 10.6.23-19 is provided for:

* AlmaLinux 8 (x86\_64, ARM64)
* AlmaLinux 9 (x86\_64, ARM64)
* Debian 11 (x86\_64, ARM64)
* Debian 12 (x86\_64, ARM64)
* Microsoft Windows (x86\_64) (MariaDB Enterprise Cluster excluded)
* Oracle Linux 8 (x86\_64, ARM64)
* Oracle Linux 9 (x86\_64, ARM64)
* Red Hat Enterprise Linux 8 (x86\_64, ARM64)
* Red Hat Enterprise Linux 9 (x86\_64, ARM64, PPC64LE)
* Rocky Linux 8 (x86\_64, ARM64)
* Rocky Linux 9 (x86\_64, ARM64)
* SUSE Linux Enterprise Server 12 (x86\_64)
* SUSE Linux Enterprise Server 15 (x86\_64, ARM64)
* Ubuntu 22.04 (x86\_64, ARM64)
* Ubuntu 24.04 (x86\_64, ARM64)
* Red Hat UBI 8 (x86\_64, ARM64)
  * Red Hat UBI 8 is part of the Enterprise Server Docker Image. It does not support MariaDB Enterprise Cluster (Galera) or MariaDB ColumnStore.

Some components of MariaDB Enterprise Server are supported on a subset of platforms. See [MariaDB Engineering Policies](https://mariadb.com/engineering-policies) for details.

## Installation Instructions <a href="#installation-instructions" id="installation-instructions"></a>

* [Deploy MariaDB Enterprise with Repositories](https://app.gitbook.com/s/SsmexDFPv2xG2OTyO5yV/server-management/install-and-upgrade-mariadb/installing-mariadb/binary-packages/mariadb-package-repository-setup-and-usage)
* [Deploy MariaDB Enterprise with Package Tarballs](https://app.gitbook.com/s/SsmexDFPv2xG2OTyO5yV/server-management/install-and-upgrade-mariadb/installing-mariadb/binary-packages/package-tarballs)
* [Deploy MariaDB Enterprise with Docker](https://app.gitbook.com/s/SsmexDFPv2xG2OTyO5yV/server-management/automated-mariadb-deployment-and-administration/docker-and-mariadb/deploy-mariadb-enterprise-server-with-docker)

## Upgrade Instructions <a href="#upgrade-instructions" id="upgrade-instructions"></a>

* [Upgrade to MariaDB Enterprise Server 10.6](https://app.gitbook.com/s/SsmexDFPv2xG2OTyO5yV/server-management/install-and-upgrade-mariadb/installing-enterprise-server/upgrade-paths/mariadb-enterprise-server-10.6/upgrade-to-mariadb-enterprise-server-10.6)

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