The Ultimate Guide to High Availability with MariaDB

MariaDB 10.2.38 Release Notes

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The most recent release of MariaDB 10.2 is:
MariaDB 10.2.44 Stable (GA) Download Now

Download 10.2.38 Release Notes Changelog Overview of 10.2

Release date: 7 May 2021

MariaDB 10.2 is a previous stable series of MariaDB. It is an evolution of MariaDB 10.1 with several entirely new features not found anywhere else and with backported and reimplemented features from MySQL 5.6 and 5.7.

MariaDB 10.2.38 is a Stable (GA) release.

For an overview of MariaDB 10.2 see the What is MariaDB 10.2? page.

Thanks, and enjoy MariaDB!

Notable Changes

  • ST_DISTANCE_SPHERE for calculating the spherical distance between two geometries (point or multipoint) on a sphere (MDEV-13467)
  • Crash with invalid multi-table update of view in 2nd execution of SP (MDEV-24823)
  • Incorrect name resolution for subqueries in ON expressions (MDEV-25362)
  • Complex query in Store procedure corrupts results (MDEV-25182)

mariabackup

  • RENAME TABLE causes "Ignoring data file" messages (MDEV-25568)

InnoDB

Galera

  • Galera updated to 25.3.33
  • SET PASSWORD command fail with wsrep api (MDEV-25258)
  • Long BF log wait turns on InnoDB Monitor output without telling, never turns it off (MDEV-25319)

Replication

  • Replication Heartbeat event was uncapable to cary 4GB+ offsets (MDEV-16146)
  • FLUSH LOGS race against Binlog checkpoint event creation (MDEV-24526)

Audit Plugin

Packaging & Misc

Security

Upgrading from 10.2 versions earlier than 10.2.17 is highly recommended
for all Galera users due to bug MDEV-12837 which caused serious stability
issues with earlier versions. See the bug issue page for more information.

When upgrading from MariaDB 10.2.16 or earlier to MariaDB 10.2.17 or higher,
running mysql_upgrade is required due to changes introduced in MDEV-14637.

MongoDB protocol support files for the CONNECT engine are missing in this release.
If you want to use CONNECT engine with MongoDB, you need to download
Mongo2.jar or Mongo3.jar 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 MariaDB 10.2.38 with links to detailed information on each push, see the changelog.

Contributors

For a full list of contributors to MariaDB 10.2.38, see the 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.

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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