MariaDB 11.8.0 Release Notes

The most recent release of MariaDB 11.8 is:

MariaDB 11.8.3 Stable (GA) Download Now

_{Alternate download from mariadb.org}

Download Release Notes Changelog Overview of 11.8

Release date: 18 Dec 2024

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

MariaDB 11.8 is a long-term development series of MariaDB. It is an evolution of MariaDB 11.7 with several entirely new features.

MariaDB 11.8.0 is a single preview release. Features are to be considered previews, and none are guaranteed to make it into MariaDB 11.8.

The preview is available as a container quay.io/mariadb-foundation/mariadb-devel:11.8-preview.

For an overview of MariaDB 11.8, see the What is MariaDB 11.8? page.

Thanks, and enjoy MariaDB!

Notable Items

Vectors

• New function VEC_DISTANCE for calculating either a Euclidean or Cosine distance between two vectors, depending on the underlying index type (MDEV-35450)

• aarch64 SIMD instructions now supported (MDEV-34699)

Optimizer

• Expanded Optimizer hints (MDEV-35504)

  • Implement subquery optimizer hints (MDEV-34888)

  • Implement MAX_EXECUTION_TIME hint (MDEV-34860)

  • Optimizer hints did not make it into the final MariaDB 11.8 release.

• Optimizer can now take advantage of queries of the format SUBSTR(col, 1, n) = const_str (MDEV-34911)

• Add basic optimizer support for virtual columns - see Virtual Column Support in the Optimizer (MDEV-35616)

InnoDB

• Fix innodb-adaptive-hash-index scalability with multiple threads (MDEV-35049)

Importing

• The mariadb-dump --no-autocommit option is now set by default to allow faster data loading by InnoDB, writing only one undo log for the whole operation (MDEV-32250)

• mariadb-import has a new option --innodb-optimize-keys to delay creation of secondary indexes until after data load, resulting in faster loads. By default. (MDEV-34740)

GIS

New GIS functions. These functions improve compatibility with MySQL 8.

• ST_Validate (MDEV-34137)

• MBRCoveredBy (MDEV-34138)

• ST_Simplify (MDEV-34141)

• ST_GeoHash (MDEV-34158)

• ST_LatFromGeoHash (MDEV-34159)

• ST_LongFromGeoHash (MDEV-34160)

• ST_PointFromGeoHash (MDEV-34277)

• ST_IsValid (MDEV-34276)

• ST_Collect (MDEV-34278)

Functions

• New FORMAT_BYTES function. Given a byte count, returns a string consisting of a value and the units in a human-readable format (MDEV-31736)

Referential Integrity

• CHECK TABLE ... EXTENDED now also checks for referential integrity (MDEV-34309)

Information Schema

• When querying the information Schema, stored functions that have the same name as a native function no longer generate a warning (MDEV-35437)

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