MariaDB 10.4.25 Release Notes

You are viewing an old version of this article. View the current version here.

Download Release Notes Changelog Overview of 10.4

Alternate download from

Release date: 20 May 2022

MariaDB 10.4 is a previous 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 10.4.25 is a Stable (GA) release.

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

Thanks, and enjoy MariaDB!

Notable Items



  • Server initialization time gtid_slave_pos purge related reason of crashing in binlog background thread is removed (MDEV-26473)
  • Shutdown of the semisync master can't produce inconsistent state anymore (MDEV-11853)
  • Binlogs disappear after rsync IST (MDEV-28583)
  • autocommit=0 slave hang is eliminated (DBAAS-7828)
  • master crash is eliminated in compressed semisync replication protocol with packet counting amendment (MDEV-25580)
  • OPTIMIZE on a sequence does not cause counterfactual ER_BINLOG_UNSAFE_STATEMENT anymore (MDEV-24617)
  • Automatically generated Gtid_log_list_event is made to recognize within replication event group as a formal member (MDEV-28550)
  • Replication unsafe INSERT .. ON DUPLICATE KEY UPDATE using two or more unique key values at a time with MIXED format binlogging is corrected (MDEV-28310)
  • Replication unsafe INSERT .. ON DUPLICATE KEY UPDATE stops issuing unnessary "Unsafe statement" with MIXED binlog format (MDEV-21810)
  • Incomplete replication event groups are detected to error out by the slave IO thread (MDEV-27697)
  • mysqlbinlog --stop-never --raw now flushes the result file to disk after each processed event so the file can be listed with the actual bytes (MDEV-14608)


  • Incorrect binlogs after Galera SST using rsync and mariabackup (MDEV-27524)
  • mariabackup does not detect multi-source replication slave (MDEV-21037)
  • Useless warning "InnoDB: Allocated tablespace ID <id> for <tablename>, old maximum was 0" during backup stage (MDEV-27343)
  • mariabackup prepare fails for incrementals if a new schema is created after full backup is taken (MDEV-28446)


  • A SEGV in Item_field::used_tables/update_depend_map_for_order... (MDEV-26402)
  • ANALYZE FORMAT=JSON fields are incorrect for UNION ALL queries (MDEV-27699)
  • Subquery in an UPDATE query uses full scan instead of range (MDEV-22377)
  • Assertion `item1->type() == Item::FIELD_ITEM ... (MDEV-19398)
  • Server crashes in Expression_cache_tracker::fetch_current_stats (MDEV-28268)
  • MariaDB server crash at Item_subselect::init_expr_cache_tracker (MDEV-26164, MDEV-26047)
  • Crash with union of my_decimal type in ORDER BY clause (MDEV-25994)
  • SIGSEGV in st_join_table::cleanup (MDEV-24560)
  • Assertion `!eliminated' failed in Item_subselect::exec (MDEV-28437)




For a complete list of changes made in MariaDB 10.4.25, with links to detailed information on each push, see the changelog.

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.


Comments loading...
Content reproduced on this site is the property of its respective owners, and this content is not reviewed in advance by MariaDB. The views, information and opinions expressed by this content do not necessarily represent those of MariaDB or any other party.