MariaDB 10.5.1 Release Notes
The most recent release of MariaDB 10.5 is:
MariaDB 10.5.27 Stable (GA) Download Now
Alternate download from mariadb.org
Download Release Notes Changelog Overview of 10.5
Release date: 14 Feb 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 10.5.1 is a Beta release.
Do not use beta releases in production!
For an overview of MariaDB 10.5 see the What is MariaDB 10.5? page.
Thanks, and enjoy MariaDB!
Notable Changes
Notable changes of this release include:
InnoDB
- Remove dummy tablespace for the redo log (MDEV-18115)
- Optimize access to InnoDB page header fields (MDEV-21133)
- Remove multiple InnoDB buffer pool instances (MDEV-15058)
- Deprecate and ignore innodb_buffer_pool_instances and innodb_page_cleaners
- Columns that indicated the buffer pool instance from the Information Schema innodb_buffer_page, innodb_buffer_page_lru, innodb_buffer_pool_stats, innodb_cmpmem and innodb_cmpmem_reset tables now return a dummy value of
0.
- Deprecate and ignore innodb_log_optimize_ddl (MDEV-19747)
- Prefer MDL to dict_sys.latch for innodb background tasks (MDEV-16678)
- Use fdatasync() for redo log where appropriate (MDEV-21382)
- Replace recv_sys.heap with list of buf_block_t (MDEV-21351)
- Several fixes to server hangs (MDEV-16264)
Optimizer
- Allow packed values of non-sorted fields in the sort buffer (MDEV-21263)
Replication and Galera
- slave_parallel_mode now defaults to
optimistic(MDEV-18648). - Make REPLICA a synonym for SLAVE in SQL statements (MDEV-20601)
- Galera GTID support (commit)
- Add new mode to wsrep_OSU_method in which Galera checks storage engine of the effected table (MDEV-20051)
- Galera: Replicate MariaDB GTID to other nodes in the cluster (MDEV-20720)
PCRE
- Migrate to PCRE2 (MDEV-14024)
Compatibility
- Show internal type for TIMESTAMP, DATETIME, and TIME columns (MDEV-19906)
Variables
- Numerous deprecated variables removed (MDEV-18650)
Changelog
For a complete list of changes made in MariaDB 10.5.1, with links to detailed information on each push, see the changelog.
Contributors
For a full list of contributors to MariaDB 10.5.1, see the MariaDB Foundation release announcement.
Do not use beta releases in production!
Be notified of new MariaDB Server releases automatically by subscribing to the MariaDB Foundation community announce 'at' lists.mariadb.org 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.
