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MariaDB 10.3.31 Release Notes

The most recent release of MariaDB 10.3 is:MariaDB 10.3.39 Stable (GA) Download Now

Download 10.3.31 | Release Notes | Changelog | Overview of 10.3

Release date: 6 Aug 2021

Warning: This version can cause InnoDB file corruption on FreeBSD and on AIX. If you are using AIX, please, stick to an earlier release, or upgrade to a more recent release. If you are using FreeBSD, upgrade to the bugfix release (the version ends with _1) of the mariadb-server from the Ports Collection. See MDEV-26537.

MariaDB 10.3 is the previous stable series of MariaDB, and an evolution of MariaDB 10.2 with several entirely new features not found anywhere else and with backported and reimplemented features from MySQL.

MariaDB 10.3.31 is a Stable (GA) release.

For an overview of MariaDB Server 10.3 see the What is MariaDB 10.3? page.

Thanks, and enjoy MariaDB!

Notable Items

InnoDB

  • InnoDB no longer acquires advisory file locks by default ()

  • Encryption: Automatically disable key rotation checks for file_key_management plugin ()

  • Some fixes from MySQL 5.7.35 ()

Optimizer

  • A query that uses ORDER BY .. LIMIT clause and "Range checked for each record optimization" could produce incorrect results under some circumstances ()

  • Queries that have more than 32 equality conditions comparing columns of different tables ("tableX.colX=tableY.colY) could cause a stack overrun in the query optimizer (, )

  • "Condition pushdown into derived table" optimization cannot be applied if the expression being pushed refers to a derived table column which is computed from expression that has a stored function call, @session variable reference, or other similar construct. The fix for makes it so that only the problematic part of the condition is not pushed. The rest of the condition is now pushed. ()

Packaging & Misc

  • As per the , this will be the last release of for Ubuntu 20.10 Groovy

  • updated to 25.3.34

Security

  • Fixes for the following :

When upgrading from or earlier to or higher, running is required due to changes introduced in. MongoDB protocol support files for the engine are missing in this release. If you want to use engine with MongoDB, you need to download or and put a path to this file into the connect_class_path in the my.cnf.

Changelog

For a complete list of changes made in , with links to detailed information on each push, see the .

Contributors

For a full list of contributors to , see the .

A query with window function on the left side of the subquery could cause a crash. (MDEV-25630)

  • Wrong result selecting from simple view with LIMIT and ORDER BY Queries with views/derived table/CTEs that have this form: "(SELECT ... LIMIT ) ORDER BY ...>" could produce wrong results (MDEV-25679)

  • MDEV-24393
    MDEV-14180
    MDEV-26205
    MDEV-25858
    MDEV-17783
    MDEV-23937
    MDEV-25969
    MDEV-25969
    MariaDB Deprecation Policy
    MariaDB 10.3
    Galera
    CVE-2021-2372
    CVE-2021-2389
    CVE-2021-46658
    MariaDB 10.3.8
    MariaDB 10.3.9
    MDEV-14637
    Mongo2.jar
    Mongo3.jar
    MariaDB 10.3.31
    changelog
    MariaDB 10.3.31
    MariaDB Foundation release announcement

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