MariaDB 10.5.21 Release Notes

Download 10.5.21 Release Notes Changelog Overview of 10.5

Release date: 7 Jun 2023

MariaDB 10.5 is a previous stable series of MariaDB, maintained until June 2025. It is an evolution of MariaDB 10.4 with several entirely new features not found anywhere else and with backported and reimplemented features from MySQL.

MariaDB 10.5.21 is a Stable (GA) release.

For an overview of MariaDB 10.5 see the What is MariaDB 10.5? page.

Thanks, and enjoy MariaDB!

Notable Items


  • Server crashes in st_join_table::choose_best_splitting (MDEV-31403)
  • Crash with condition pushable into derived and containing outer reference (MDEV-31240)
  • InnoDB does not free UNDO after the fix of MDEV-30671 (MDEV-31234)
  • Revert "MDEV-30473 : Do not allow GET_LOCK() / RELEASE_LOCK() in cluster"



For a complete list of changes made in MariaDB 10.5.21, with links to detailed information on each push, see the changelog.


For a full list of contributors to MariaDB 10.5.21, see the MariaDB Foundation release announcement.

Be notified of new MariaDB Server releases automatically by subscribing to the MariaDB Foundation community announce 'at' announcement list (this is a low traffic, announce-only list). MariaDB Corporation customers will be notified for all new releases, security issues and critical bug fixes for all MariaDB Corporation 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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