MariaDB 10.4.3 Release Notes

Download Release Notes Changelog Overview of 10.4

^{Alternate download from mariadb.org}

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.

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
• 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

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.