Release Notes for MariaDB Enterprise Server 10.2.30-5

This fifth release of MariaDB Enterprise Server 10.2 is a maintenance release, including a variety of fixes.

MariaDB Enterprise Server 10.2.30-5 was released on 2020-01-06.

Notable Changes

• InnoDB no longer sends unnecessary warnings to the error log about maximum row size for DDL statements when innodb_strict_mode=OFF and log_warnings<=2 (MDEV-20832)

• Redundant writes to the InnoDB redo log have been removed. (MDEV-21024)

• The default for the plugin load option plugin-maturity is now stable (MENT-240)

• MariaDB Enterprise Audit and the MariaDB Audit plugin trace now add the user who initiated statements with the DELAYED option. In previous versions a system user was added. (MENT-237)

Issues Fixed

Can result in a hang or crash

• Primary (master) could crash when it executes RESET MASTER and a replica (slave) reconnects having reset its connection status with the primary (e.g., CHANGE MASTER TO MASTER_USE_GTID = slave_pos). (MENT-19376)

Can result in unexpected behavior

• Client received error SEC_E_INVALID_TOKEN when SSL is used and connecting to MariaDB Enterprise Server running on Microsoft Windows. (MDEV-13492)

• The restore of Aria tables was not always possible if MariaDB Backup was using the parameters --prepare --incremental (MDEV-18310)

• An incomplete result set was returned when sort_buffer_size was too small. (MDEV-21044)

Interface Changes

• None.

Platforms

In alignment to the enterprise lifecycle, MariaDB Enterprise Server 10.2.30-5 is provided for:

• Red Hat Enterprise Linux 8

• Red Hat Enterprise Linux 7

• Red Hat Enterprise Linux 6

• CentOS 8

• CentOS 7

• CentOS 6

• Ubuntu 18.04

• Ubuntu 16.04

• Debian 10

• Debian 9

• Debian 8

• SUSE Linux Enterprise Server 15

• SUSE Linux Enterprise Server 12

• Microsoft Windows

Some components of MariaDB Enterprise Server might not support all platforms. For additional information, see "MariaDB Corporation Engineering Policies".