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MariaDB 10.4.20 Release Notes

The most recent release of MariaDB 10.4 is:MariaDB 10.4.34 Stable (GA) Download Now

Download 10.4.20 | Release Notes | Changelog | Overview of 10.4

Release date: 23 Jun 2021

MariaDB 10.4 is a previous stable series of MariaDB. It is an evolution of MariaDB 10.3 with several entirely new features not found anywhere else and with backported and reimplemented features from MySQL.

MariaDB 10.4.20 is a Stable (GA) release.

For an overview of MariaDB 10.4 see theWhat is MariaDB 10.4? page.

Thanks, and enjoy MariaDB!

Notable Items

This version of MariaDB is being released now to fix the following two regressions:

  • Table alias from previous statement interferes later commands ()

  • Join using derived with aggregation returns incorrect results ()

In addition to the above, this release also contains the following fixes:

InnoDB

  • InnoDB spatial indexes miss large geometry fields after ()

  • Double free of transaction during truncate operation ()

  • Double free of table when inplace alter FTS add index fails ()

  • Potential hang in purge for virtual columns ()

Replication

  • Do not replicate killed multi-table OPTIMIZE TABLE when the signal arrives before any table has been processed ()

  • Fix optistic parallel applier to not deadlock on admin commands OPTIMIZE, REPAIR, and ANALYZE ()

  • Backport parallel slave server shutdown hang ()

Security

  • Fixes for the following :

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 .

Change buffer entries for secondary indexes are lost on InnoDB restart (MDEV-25869)

MDEV-25672
MDEV-25714
MDEV-25459
MDEV-25758
MDEV-25663
MDEV-25721
MDEV-25664
MDEV-22530
MDEV-17515
MDEV-20821
MDEV-22370
CVE-2021-46666
CVE-2021-46657
Mongo2.jar
Mongo3.jar
MariaDB 10.4.20
changelog
MariaDB 10.4.20
MariaDB Foundation release announcement

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

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