MariaDB 12.3 Changes & Improvements

An overview of changes, improvements, and what's new in MariaDB Community Server 12.3

MariaDB 12.3 is a long term release, maintained until June 2029.

New Features

Compatibility Features

• Oracle TO_DATE() function (MDEV-19683)

• Support for cursors on prepared statements (MDEV-33830)

• SQL Standard SET PATH statement (MDEV-34391)

• SQL Standard Global Temporary Tables (MDEV-35915)

• SQL Standard IS JSON predicate (MDEV-37072)

• Allow UPDATE/DELETE to read from a CTE (MDEV-37220)

• Basic XML data type (MDEV-37261)

• Support for cursors on prepared statements (MDEV-33830)

Replication

• Configurable defaults for MASTER_SSL_* settings for CHANGE MASTER (MDEV-28302)

• Fragment ROW replication events larger than max_packet_size (MDEV-32570)

• Improving performance of binary logging by removing the need of syncing it (MDEV-34705)

Miscellaneous

• Hashicorp Plugin: Implement cache flush for forced key rotation (MDEV-30847)

• New hash algorithms for PARTITION BY KEY (MDEV-9826)

• Optimise reorderable LEFT JOINs (MDEV-36055)

List of All MariaDB 12.3 Releases

Date	Release	Status	Release Notes	Changelog
22 Dec 2025	MariaDB 12.3 Preview	Preview

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