> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/release-notes/columnstore/23.10/23.10.8.md).

# 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](/docs/release-notes/community-server/10.6/10.6.20.md). It includes notable changes and issues fixed from the unreleased [MariaDB ColumnStore 23.10.7](/docs/release-notes/columnstore/23.10/23.10.7.md).

## Issues Fixed

#### Can result in hang or crash

* \[[MCOL-6075](https://jira.mariadb.org/browse/MCOL-6075)] - Memory Allocation Related Hangs & Errors
* \[[MCOL-6083](https://jira.mariadb.org/browse/MCOL-6083)] - Post upgrade to 23.10.4, some queries are taking forever to execute..<br>

### Notable changes

* \[[MCOL-6253](https://jira.mariadb.org/browse/MCOL-6253)] - CMAPI Multiple Bug Fixes Following Customer-Side Diagnostics
* \[[MCOL-6285](https://jira.mariadb.org/browse/MCOL-6285)] - CMAPI invariant checks not following symlink data1 dir.

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