MariaDB 10.5.0 Release Notes

Download Release Notes Changelog Overview of 10.5

Release date: 3 Dec 2019

MariaDB 10.5 is the current development series of MariaDB. 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 10.5.0 is an Alpha release.

Do not use alpha releases in production!

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

Thanks, and enjoy MariaDB!

Notable Changes

This is the first alpha release in the MariaDB 10.5 series.

Notable changes of this release include:

INET 6 Data Type



S3 Storage Engine

Thread Pool


InnoDB Refactoring

  • Remove buf_page_t::newest_modification (MDEV-21132)
  • Replace recv_sys_t::addr_hash with a std::map (MDEV-19586)
  • Obsolete internal parser for FK in InnoDB (MDEV-20480)
  • InnoDB thread pool for background tasks (MDEV-16264)

Binary Log

Query Optimizer



Do not use alpha releases in production!


For a complete list of changes made in MariaDB 10.5.0, with links to detailed information on each push, see the changelog.


For a full list of contributors to MariaDB 10.5.0, 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 plc customers will be notified for all new releases, security issues and critical bug fixes for all MariaDB plc 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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