MariaDB 12.2 Changes & Improvements

An overview of changes, improvements, and what's new in MariaDB Community Server 12.2

The most recent release of MariaDB 12.2 is:

MariaDB 12.2.1 RC Download Now

_{Alternate download from mariadb.org}

MariaDB 12.2 is a rolling release. It is an evolution of MariaDB 12.1 with several entirely new features.

New Features

Compatibility features

• Implement Oracle TO_NUMBER function (MDEV-20022)

• Implement Oracle TRUNC function (MDEV-20023)

Optimizer

• Join optimizer is now able to infer that derived table with GROUP BY clause has distinct GROUP BY columns (MDEV-36321)

Optimizer hints

• Optimizer hint: [NO_]ROWID_FILTER (MDEV-36089),

• Optimizer hint: [NO_]INDEX_MERGE (MDEV-36125)

• Optimizer hints: Implicit query block names (MDEV-37511)

Miscellaneous

• Remove depth limit of 32 from JSON functions (MDEV-32854)

• Add INFORMATION_SCHEMA.TRIGGERED_UPDATE_COLUMNS (MDEV-36996)

• Implement INFORMATION_SCHEMA.PARAMETERS.PARAMETER_DEFAULT column (MDEV-37054)

Preview release only

These features needed further testing and will be implemented in a future series.

• Implement Global temporary tables (MDEV-35915) (preview release only)

• Improved support of replication between tables of different structure (MDEV-36290) (preview release only)

List of All MariaDB 12.2 Releases

Date	Release	Status	Release Notes	Changelog
21 Nov 2025	12.2.1	RC	Release Notes	Changelog
23 Sep 2025	MariaDB 12.2 Preview	Preview

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