MariaDB ColumnStore 23.10.8 Release Notes

Overview

MariaDB ColumnStore 23.10.8 is a maintenance release of MariaDB ColumnStore. MariaDB ColumnStore is a columnar storage engine included with MariaDB Enterprise Server.

MariaDB ColumnStore 23.10.8 was released on 20 Jan 2026. This release is of General Availability (GA) maturity. MariaDB ColumnStore 23.10.8 is a GA release in the 23.10 series.

This release of MariaDB ColumnStore is included with MariaDB Enterprise Server 10.6.24-20. It includes notable changes and issues fixed from the unreleased MariaDB ColumnStore 23.10.7.

Issues Fixed

Can result in hang or crash

• [MCOL-6075] - Memory Allocation Related Hangs & Errors

• [MCOL-6083] - Post upgrade to 23.10.4, some queries are taking forever to execute..

Notable changes

• [MCOL-6253] - CMAPI Multiple Bug Fixes Following Customer-Side Diagnostics

• [MCOL-6285] - CMAPI invariant checks not following symlink data1 dir.

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