MariaDB 12.1 is a rolling release. It is an evolution of MariaDB 12.0 with several entirely new features.

New Features

Performance improvements

• Segmented key cache for ()

  • The new system variable defines how many segments are used, default is 1, maximum 128

• MDL scalability improvements ()

• Asynchronous replication between two can now use parallel replication

  • This is managed by the new system variable ()

• The now supports buffered logging

  • The size of the buffer is defined using the new system variable ()

• Faster distance calculations via extrapolation ()

Compatibility features

• New authentication plugin for MySQL compatibility ()

• ()

• Associative arrays: DECLARE TYPE .. TABLE OF .. INDEX BY () ()

• will now by default issue a warning if the user has active sessions, or fail in ()

Optimizer

• Optimizations for GROUP/ORDER BY can make use of indexes on virtual columns ()

• Include definitions of tables and views in the ()

  • system variable.

Optimizer hints

• : , , , ()

• : ()

• : , ()

Miscellaneous

• Retry applying of write sets on nodes ()

  • Controlled through the system variable

• now supports with the -L or --wildcards option ()

Development release only

This feature was only available in the 12.1 development releases, and will be implemented in a later series.

• Add variable, ()

List of All MariaDB 12.1 Releases

Download Release Notes Changelog Overview of 12.1

Release date: 7 Aug 2025

MariaDB 12.1 is a rolling release. It is an evolution of MariaDB 12.0 with several entirely new features.

MariaDB 12.1.1 is a Release Candidate (RC) release.

Thanks, and enjoy MariaDB!

New Features

Performance improvements

• Segmented key cache for ()

  • system variable

• MDL scalability improvements ()

• Parallel replication for replicas ()

Compatibility features

• caching_sha2_password plugin ()

• ( + ) for outer join syntax ()

• Add variable, ()

• Associative arrays: DECLARE TYPE .. TABLE OF .. INDEX BY ()

Miscellaneous

• Add option to not collect statistics for long char/varchars ()

• Retry applying of write sets on galera nodes ()

• now supports wildcards with the -L or --wildcards option ()

Changelog

For a complete list of changes made in MariaDB 12.1.1, with links to detailed information on each push, see the .

Download Release Notes Changelog Overview of 12.1

Release date: 18 Nov 2025

MariaDB 12.1 is a rolling release. It is an evolution of MariaDB 12.0 with several entirely new features.

MariaDB 12.1.2 is a Stable (GA) release.

Thanks, and enjoy MariaDB!

New Features

Performance improvements

• Segmented key cache for ()

  • The new system variable defines how many segments are used, default is 1, maximum 128

• MDL scalability improvements ()

Compatibility features

• New authentication plugin for MySQL compatibility ()

• ()

• Associative arrays: DECLARE TYPE .. TABLE OF .. INDEX BY () ()

• will now by default issue a warning if the user has active sessions, or fail in ()

Miscellaneous

• Retry applying of write sets on nodes ()

  • Controlled through the system variable

• now supports with the -L or --wildcards option ()

Changelog

For a complete list of changes made in MariaDB 12.1.2, with links to detailed information on each push, see the .