MariaDB 11.7.0 Release Notes

The most recent release of MariaDB 11.7 is:

MariaDB 11.7.2 Stable (GA) Download Now

Download Release Notes Overview of 11.7

Release date: 25 Sep 2024

Do not use non-stable (non-GA) releases in production!

MariaDB 11.7 is a rolling release. It is an evolution of MariaDB 11.6 with several entirely new features.

MariaDB 11.7.0 is a single preview release. Features are to be considered preview, and none are guaranteed to make it into MariaDB 11.7.

The preview is available as a container quay.io/mariadb-foundation/mariadb-devel:11.7-preview.

Thanks, and enjoy MariaDB!

Notable Items

Replication and Binary Log

• When binlogging is enabled, committing a large transaction no longer freezes all other transactions until completed (MDEV-32014)

• binlog_optimize_thread_scheduling has been deprecated (MDEV-33756)

• Async rollback prepared transactions during binlog crash recovery (MDEV-33853)

• New variable, slave_abort_blocking_timeout, for aborting long-running queries on a replica (MDEV-34857)

• New variable, binlog_large_commit_threshold, for increasing transaction concurrency for large transactions (MDEV-32014)

UUID

• New function for generating version 4 UUIDs UUIDv4 (MDEV-11339)

• New function for generating version 7 UUIDs UUIDv7 (MDEV-32637)

Optimization

• Optimization improvement for single-table UPDATE/DELETE: make cost-based choice between subquery strategies (MDEV-25008)

• The Charset Narrowing Optimization is now on by default (MDEV-34380)

GIS

New GIS functions. These functions improve compatibility with MySQL 8. Note that these were not included in MariaDB 11.7

• ST_Validate (MDEV-34137)

• MBRCoveredBy (MDEV-34138)

• ST_Simplify (MDEV-34141)

• ST_GeoHash (MDEV-34158)

• ST_LatFromGeoHash (MDEV-34159)

• ST_LongFromGeoHash (MDEV-34160)

• ST_IsValid (MDEV-34276)

• ST_Collect (MDEV-34278)

System-Versioned Tables

• Allow a system-versioned table to be converted from implicit to explicit row_start/row_end columns (MDEV-27293)

Slow Query Log

• New variable, log_slow_always_query_time, for specifying that all queries longer than this time are logged to the slow query log, regardless of log_slow_min_examined_row_limit and log_slow_rate_limit (MDEV-33144)

Stored Routines

• ROW data type for stored function return values (MDEV-12252)

Derived Tables

• Add optional correlation column list for derived tables (MDEV-31466)

Vectors

• MariaDB Vector Search (MDEV-34939)

[SHOW] CREATE SERVER

• Implement SHOW CREATE SERVER (MDEV-15696)

• Allow arbitrary options in CREATE SERVER (MDEV-34716)

General

• SESSION_USER(), which used to be an alias for USER() now shows the value of CURRENT_USER() when the session was created (MDEV-30908)

• CURRENT_TIMESTAMP should return a TIMESTAMP (WITH TIME ZONE?) (MDEV-15751)

• A warning has been added when max_sort_length is exceeded. (MDEV-27277)

Deprecated Variables

• binlog_optimize_thread_scheduling (MDEV-33756)

Spider

• The Spider variables spider_table_crd_thread_count and spider_table_sts_thread_count have been deprecated (MDEV-28009)

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