MariaDB 10.3.27 Release Notes

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

Download 10.3.27 Release Notes Changelog Overview of 10.3

Release date: 11 Nov 2020

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 10.3.27 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 Changes

  • Out-of-cycle release to fix regressions in MariaDB 10.3.26
  • Follow up to MDEV-19838 to alter protocol checks to support the following implementations (which add garbage to the end of some packets):
    • PHP PDO (all versions) (MDEV-24121)
    • mysqlnd (from PHP < 7.3) (MDEV-24121)
    • mysql-connector-python (all versions) (MDEV-24134)
    • and mysql-connector-java (all versions)
  • The query optimizer consumed a lot of memory when handling construct in form of key_column [NOT] IN (large-list-of constants) (MDEV-24117)

When upgrading from MariaDB 10.3.8 or earlier to MariaDB 10.3.9 or higher,
running mysql_upgrade is required due to changes introduced in MDEV-14637.


For a complete list of changes made in MariaDB 10.3.27, with links to detailed information on each push, see the changelog.


For a full list of contributors to MariaDB 10.3.27, see the MariaDB Foundation release announcement.

Be notified of new MariaDB Server releases automatically by subscribing to the MariaDB Foundation community announce 'at' 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 page.


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