MariaDB 10.4.3 Release Notes

The most recent release of MariaDB 10.4 is:
MariaDB 10.4.5 Download Now
_{Alternate download from mariadb.org}

Download Release Notes Changelog Overview of 10.4

Release date: 25 Feb 2019

MariaDB 10.4 is the current development 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 10.4.3 is a Release Candidate release.

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

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

Thanks, and enjoy MariaDB!

Notable Changes

Notable changes of this release include:

MDEV-12484: The unix_socket authentication plugin is now default on Unix-like systems, which is a major change to authentication in MariaDB
MDEV-7597: User password expiry
MDEV-6111: Implementation of the optimizer trace, one can enable the optimizer trace by enabling the system variable optimizer_trace
MDEV-18551: The default for eq_range_index_dive_limit is now 200 (previously 0)
MDEV-17903: The optimizer switch flag optimize_join_buffer_size now defaults to on
New optimizer switch flags rowid_filter and condition_pushdown_from_having
MDEV-18439: core_file on Windows now defaults to ON
MDEV-18608: Histograms are now collected by default.
MDEV-13916: The JSON_VALID function is automatically used as a CHECK constraint for the JSON data type alias in order to ensure that a valid json document is inserted
Spider updated to 3.3.14
MDEV-18564: wsrep_load_data_splitting is deprecated and now set to OFF by default
analyze_sample_percentage system variable
InnoDB ALTER TABLE fixes: MDEV-18222, MDEV-18256, MDEV-18016, MDEV-18295, MDEV-16849, MDEV-18219
Mariabackup fixes: MDEV-18194, MDEV-18415, MDEV-18611
New InnoDB features:
- MDEV-12026: Implement innodb_checksum_algorithm=full_crc32
- MDEV-15563: More Instant VARCHAR extension
- MDEV-15564: Instant collation or charset changes for non-indexed columns
- MDEV-16188: Use in-memory PK filters built from range index scans
Debian has stopped supporting the ppc64el architecture for Debian 8 Jessie and so this is the last release of MariaDB 10.4 on Jessie for that architecture

Changelog

For a complete list of changes made in MariaDB 10.4.3, with links to detailed information on each push, see the changelog.

Contributors

For a full list of contributors to MariaDB 10.4.3, see the MariaDB Foundation release announcement.

Be notified of new MariaDB Server, Galera Cluster and Connector releases automatically by subscribing to the MariaDB Foundation community announce 'at' mariadb.org 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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