MariaDB 10.3.22 Release Notes

Note that this version contains an issue that disabled all events created by a server with a different server_id. See MDEV-21758 for details.

Download Release Notes Changelog Overview of 10.3

Release date: 28 Jan 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 10.3.22 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

General

Mariabackup

  • MDEV-21255: Deadlock of parallel slave and mariabackup (with failed log copy thread)

InnoDB

  • MDEV-20950: Reduce size of record offsets
  • MDEV-19176: Reduce the memory usage during recovery
  • MDEV-21429: TRUNCATE and OPTIMIZE are being refused due to "row size too large"
  • MDEV-21500: Server hang when using simulated AIO
  • MDEV-21509: Possible hang during purge of history, or rollback
  • MDEV-21511: Wrong estimate of affected BLOB columns in update
  • MDEV-21512: InnoDB may hang due to SPATIAL INDEX
  • MDEV-21513: Avoid some crashes in ALTER TABLE...IMPORT TABLESPACE
  • MDEV-18865: Assertion `t->first->versioned_by_id()' failed in innodb_prepare_commit_versioned

Aria

  • MDEV-14183: aria_pack segfaults in compress_maria_file

Optimizer

  • MDEV-21318: Wrong results with window functions and implicit grouping
  • MDEV-16579: Wrong result of query using DISTINCT COUNT(*) OVER (*)
  • MDEV-21383: Possible range plan is not used under certain conditions

Replication

  • MDEV-18046: Crashes caused by random values to the offset option of SHOW BINLOG EVENT offset command
  • MDEV-19376: Semisync Master could crash when it executed RESET MASTER and a replica reconnects using GTID protocol

Security

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.

Changelog

For a complete list of changes made in MariaDB 10.3.22, with links to detailed information on each push, see the changelog.

Contributors

For a full list of contributors to MariaDB 10.3.22, see the MariaDB Foundation release announcement.


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