MariaDB 10.5.3 Release Notes

Download Release Notes Changelog Overview of 10.5

Release date: 12 May 2020

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 10.5.3 is a Release Candidate (RC) release.

Thanks, and enjoy MariaDB!

Notable Changes

This is the second beta release in the series.

Notable changes of this release include:

Syntax

• Application period tables: ()

• Introduce a file format constraint to ALTER TABLE. See ()

Large Pages

• Modernise Linux Large Page support (multiplesizes) ()

Storage Engines

• Partitioned are discoverable. This means that if you create a partitioned S3 table, both the partitioned table and its partitions can be directly used by another server that has access to the S3 storage. ()

Performance

• Optimizer flag rowid_filter leads to long query ()

• WSREP_ON is unnecessarily expensive to evaluate (

• Misc wsrep performance optimization ()

Security

• Added system user for user view which allows to remove root ()

• WolfSSL updated

• doesn't remove excess authentication plugins from ()

• creating empty ()

Aria

• Updated to support transactional tables and added the --datadir, --ignore-control-file and --require-control-file options. More details

ALTER TABLE

• Error on online ADD PRIMARY KEY after instant DROP/reorder ()

• Assertion failure in file data0type.cc ()

• Server aborts upon attempt to create foreign key on spatial field ()

• DROP COLUMN, DROP INDEX is wrongly claimed to be ALGORITHM=INSTANT ()

Optimizer

• Optimizer, Wrong query results with optimizer_switch="split_materialized=on" ()

• SHOW GRANTS does not quote role names properly ()

• Paritioning INSERT chooses wrong partition for RANGE partitioning by DECIMAL column ()

mariadb-backup

• does not honor ignore_db_dirs from server config ()

• mariadb-backup --ftwrl-wait-timeout never times out on explicit lock ()

Crash Recovery

• Loop of Read redo log up to LSN ()

• buf_page_get_gen() should apply buffered page initialized redo log during recovery ()

• Running out of file descriptors and eventual crash ()

• Efficient InnoDB redo log record format ()

Other

• Use MariaDB in error messages instead of MySQL ()

• FULLTEXT INDEX, Assertion ``!table->fts->in_queue' failed in fts_optimize_remove_table` ()

• Wrong estimate of affected BLOB columns in update of PRIMARY KEY ()

• Duplicate key value is silently truncated to 64 characters in

Changelog

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

Contributors

For a full list of contributors to , see the .

Do not use non-stable (non-GA) releases in production!