MariaDB 10.5.12 Release Notes

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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 10.5 is a previous stable series of MariaDB. It is an evolution of MariaDB 10.4 with several entirely new features not found anywhere else and with backported and reimplemented features from MySQL.

MariaDB 10.5.12 is a Stable (GA) release.

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 ()

• Fixed scrubbing on AIX ()

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

• Debian 11 Bullseye repositories added

• updated to 26.4.9

• Linux on IBM Z (s390x) architecture added with releases on Ubuntu-20.04 Focal

Security

• Fixes for the following :

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 .