MariaDB 10.2.13 Release Notes

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

Download Release Notes Changelog Overview of 10.2

Release date: 13 Feb 2018

MariaDB 10.2 is the current 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 10.2.13 is a Stable (GA) release.

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

Upgrading from earlier 10.2.x versions 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.

Thanks, and enjoy MariaDB!

Notable Changes

  • InnoDB updated to 5.7.21
  • The MyRocks storage engine is now Beta.
  • Galera wsrep library updated to 25.3.23
  • MDEV-14611 - ALTER TABLE EXCHANGE PARTITION does not work properly when used with DATA DIRECTORY
  • MDEV-15249 - Crash in MVCC read after IMPORT TABLESPACE
  • Foreign key bugs:
    • MDEV-15199 - Referential integrity broken in ON DELETE CASCADE / MDEV-14222 Unnecessary 'cascade' memory allocation for every updated row
    • MDEV-15219 - FOREIGN KEY CASCADE or SET NULL operations will not resume after lock wait
    • MDEV-15042 - INSERT ON DUPLICATE KEY UPDATE produces error 1032 (Can't find record)
    • MDEV-13205 - InnoDB: Failing assertion: !dict_index_is_online_ddl(index) upon ALTER TABLE
  • MDEV-14958 - Merge new release of InnoDB MySQL 5.7.21 to 10.2
  • MDEV-15165 - InnoDB purge for index on virtual column is trying to access an incomplete record
  • MDEV-15143 - InnoDB: Rollback of trx with id 0 completed
  • MDEV-11415 - Remove excessive undo logging during ALTER TABLE…ALGORITHM=COPY
  • MDEV-15016 - multiple page cleaner threads use a lot of CPU
  • MDEV-14941 - Timeouts on persistent statistics tables caused by MDEV-14511
  • MDEV-14985 - innodb_undo_log_truncate may be blocked if transactions were recovered at startup
  • MDEV-14441 - InnoDB hangs when setting innodb_adaptive_hash_index=OFF during UPDATE
  • MDEV-14887 - On a 32-bit system, MariaDB 10.2 mishandles data file sizes exceeding 4GiB
  • Fedora 27 packages added
  • As per the MariaDB Deprecation Policy, this will be the last release of MariaDB 10.2 for Fedora 25

Security Fixes


For a complete list of changes made in MariaDB 10.2.13 with links to detailed information on each push, see the changelog.

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