The Ultimate Guide to High Availability with MariaDB

MariaDB 11.3.0 Release Notes

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Release date: 20 September 2023

Do not use alpha releases in production!

MariaDB 11.3 is a current short-term development series of MariaDB, and will be maintained for one year after its Generally Available release. It is an evolution of MariaDB 11.2 with several entirely new features.

MariaDB 11.3.0 is a single preview release. Features are to be considered preview, and none are guaranteed to make it into MariaDB 11.3.

The preview is available as a container quay.io/mariadb-foundation/mariadb-devel:11.3-preview.

For an overview of MariaDB 11.3 see the What is MariaDB 11.3? page.

Thanks, and enjoy MariaDB!

Connection Redirection

InnoDB

Replication

  • Add keywords "SQL_BEFORE_GTIDS" and "SQL_AFTER_GTIDS" for START SLAVE UNTIL (MDEV-27247)

SSL/TLS

  • SSL is now enabled in the server by default. No configuration necessary, if no server certificate was provided a self-signed certificate will be automatically generated by the server (MDEV-31856).
  • Clients now can validate self-signed server certificates if the mysql_native_password or ed25519 authentication is used and account password is not empty (MDEV-31855).
  • Clients now require SSL and have --ssl-verify-server-cert enabled by default (MDEV-31857).
  • Replication clients do that too, MASTER_SSL_VERIFY_SERVER_CERT is enabled by default.
  • Use --disable-ssl or --disable-ssl-verify-server-cert to revert to the old behavior.
  • Clients can use new command line options --tls-fp and --tls-fplist to verify the server certificate by its fingerprint

Data Types

  • INET4 data types can now be cast into INET6 types (MDEV-31626)
  • This means, INET4 values can be compared with INET6 values and can be inserted into INET6 columns, the server can automatically convert INET4 value into INET6 as needed.

Functions

  • Key derivation function KDF for generating good encryption keys for AES_ENCRYPT (MDEV-31474)

Date and Time

Optimizer

Privileges

  • Add a new database-level privilege, SHOW CREATE ROUTINE that allows to see the routine definition even if the user isn't the routine owner (MDEV-29167)

Processlist

  • Added a SENT_ROWS column to the Information Schema PROCESSLIST table, as well as extended the display size for the columns in processlist to ensure that most results will fit in display (MDEV-3953)

Application-Time Periods

  • Add views for periods in information_schema (MDEV-22597), in particular
  • New view INFORMATION_SCHEMA.PERIODS
  • New view INFORMATION_SCHEMA.KEY_PERIOD_USAGE
  • New columns IS_SYSTEM_TIME_PERIOD_START and IS_SYSTEM_TIME_PERIOD_END in the INFORMATION_SCHEMA.COLUMNS view

OLD_MODE

  • Setting a non-default old_mode value will now always issue a deprecation warning (MDEV-31811)

Mariabackup

Spider

  • For the Spider storage engine, implement more engine-defined options (MDEV-28856)

Removed

The following deprecated features and system variables have been removed (MDEV-32104):

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