MariaDB 10.3.23 Release Notes

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Note: This page describes features in the source repository for MariaDB 10.3. There are currently no official packages or binaries available for download which contain the features. If you want to try out any of the new features described here you will need to get and compile the code yourself.

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 10.3.23 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


  • Fixed issue that, from MariaDB 10.3.19, disabled all events created by a server with a different server_id. Note that the fix does not re-enable affected events. (MDEV-21758)


  • SHOW PRIVILEGES now correctly lists the Delete history privilege, rather than displaying it as Delete versioning rows. (MDEV-20382)


  • HeidiSQL updated to 11.0 (MDEV-22032)
  • ALTER TABLE, Introduce a file format constraint (MDEV-20590)
  • ALTER TABLE, FORCE all partition to rebuild if any one of the partition does rebuild (MDEV-21832)
  • ALTER TABLE, InnoDB aborts while adding instant column for discarded tablespace (MDEV-22446)
  • Optimizer, Wrong query results with optimizer_switch="split_materialized=on" (MDEV-21614)
  • SHOW GRANTS does not quote role names properly (MDEV-20076)
  • Paritioning INSERT chooses wrong partition for RANGE partitioning by DECIMAL column (MDEV-21195)
  • Mariabackup does not honor ignore_db_dirs from server config (MDEV-19347)
  • Mariabackup --ftwrl-wait-timeout never times out on explicit lock (MDEV-20230)
  • ALTER TABLE assertion failure (MDEV-22358)
  • FULLTEXT INDEX, Assertion `!table->fts->in_queue' failed in fts_optimize_remove_table (MDEV-21550)
  • Crash recovery, loop of Read redo log up to LSN (MDEV-21826)
  • Crash recovery, buf_page_get_gen() should apply buffered page initialized redo log during recovery (MDEV-21572)
  • Wrong estimate of affected BLOB columns in update of PRIMARY KEY (MDEV-22384)
  • Duplicate key value is silently truncated to 64 characters in print_keydup_error (MDEV-20604)
  • Session tracking returns incorrectly long tracking data (MDEV-22504)
  • Add file to binary tarball package (MDEV-21913)
  • Misc fixes for Mac build (MENT-606)
  • Running out of file descriptors and eventual crash (MDEV-18027)
  • mysql_upgrade is made aware of the upstream slave tables to issue warnings when that takes place (MDEV-10047)
  • InnoDB ALTER TABLE fixes (MDEV-21564, MDEV-19092, MDEV-21549)
  • InnoDB FULLTEXT INDEX fixes (MDEV-21563)
  • Corruption for SET GLOBAL innodb_ string variables (MDEV-22393)
  • wsrep performance optimization (MDEV-7962)
  • Test suite, Add JUnit support to MTR to generate XML test result (MDEV-22176)
  • mysqldump parameter, --ignore-table-data, added (MDEV-22037)
  • Refactored MYSQL_BIN_LOG::xid_count_per_binlog to satisfy UBSAN enabled build (MDEV-20923)
  • Unregister of slave threads disconnected before COM_BINLOG_DUMP (Bug#29915479)
  • Server can fail while replicating conditional comments (Bug#28388217)

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 10.3.23, with links to detailed information on each push, see the changelog.

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