The Ultimate Guide to High Availability with MariaDB
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MariaDB 10.4.9 Release Notes

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

After an upgrade MariaDB Server can crash if InnoDB tables exist with a FULLTEXT INDEX and a FOREIGN KEY constraint attached to them. We got reports that the crash already will be encountered on startup, but a crash is also possible at a later stage. See MDEV-20987 for more details.

Do not download or use this release.

Download Release Notes Changelog Overview of 10.4

Release date: 5 Nov 2019

MariaDB 10.4 is the current 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 10.4.9 will be a Stable (GA) release.

For an overview of MariaDB 10.4 see the What is MariaDB 10.4? page.

Thanks, and enjoy MariaDB!

Notable Changes

Notable changes of this release include:

  • MDEV-20864: Debug-only option innodb_change_buffer_dump for dumping the contents of the InnoDB change buffer to the server error log at startup.
  • MariaBackup:
    • MDEV-18438: mbstream recreates xtrabackup_info on same directory as backup file
    • MDEV-20703: mariabackup creates binlog files in server binlog directory on --prepare --export step
  • FULLTEXT INDEX:
    • MDEV-19647: Server hangs after dropping full text indexes and restart
    • MDEV-19529: InnoDB hang on DROP FULLTEXT INDEX
    • MDEV-19073: FTS row mismatch after crash recovery
    • MDEV-20621: FULLTEXT INDEX activity causes InnoDB hang
  • MDEV-20927: Duplicate key with auto increment
  • ALTER TABLE:
    • MDEV-20799: DROP Virtual Column crash
    • MDEV-20852: BtrBulk is unnecessarily holding dict_index_t::lock
  • System-Versioned Tables:
    • MDEV-16210: FK constraints on versioned tables use historical rows, which may cause constraint violation
    • MDEV-20812: Unexpected ER_ROW_IS_REFERENCED_2 or server crash in row_ins_foreign_report_err upon DELETE from versioned table with FK
  • MDEV-20117: corruption after instant DROP/reorder COLUMN
  • Galera wsrep library updated to 26.4.3
  • Packages for Ubuntu 19.10 Eoan have been added in this release
  • Fixes for the following security vulnerabilities:

Changelog

For a complete list of changes made in MariaDB 10.4.9, with links to detailed information on each push, see the changelog.

Contributors

For a full list of contributors to MariaDB 10.4.9, see the MariaDB Foundation release announcement.

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