MariaDB Server 12.3 LTS Released

The MariaDB Foundation is pleased to announce the availability of MariaDB Server 12.3 LTS, the latest Long Term Support release of MariaDB Server. The first GA of the 12.3 series is 12.3.2.

MariaDB Server 12.3 LTS includes the features and improvements introduced during the MariaDB 12.x development series and provides a stable release line for production environments requiring long-term maintenance.

Highlights

MariaDB Server 12.3 LTS includes improvements across several areas of the server, including binary logging, SQL compatibility, replication, optimizer behavior, security, GIS, JSON, and general server usability.

Important

In MariaDB 12.3, innodb_snapshot_isolation defaults to ON

As we wanted to be correct when using REPEATBLE READ isolation level, we changed the default of the InnoDB snapshot isolation. There probably is no better moment than when we release a new LTS.

This means that users upgrading from previous versions should review this change and test applications that depend on transaction isolation behavior.

Upgrading

Users are encouraged to read the MariaDB 12.3 release notes and test the new release in a staging or development environment before upgrading production systems.

As with all major database upgrades, backups should be verified and application compatibility tested before deployment.