> 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/connectors/c/3.1/3.1.26.md).

# Connector/C 3.1.26 Release Notes

Release notes for MariaDB Connector/C 3.1.26, a Stable (GA) release published 12 November 2024.

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<p align="center">The most recent release of <a href="/docs/connectors/mariadb-connector-c.md">MariaDB Connector/C</a> is: <a href="/docs/release-notes/connectors/c/3.4/3.4.11.md"><strong>3.4.11</strong></a></p>

<p align="center"><a href="https://mariadb.com/downloads/connectors/connectors-data-access/c-connector" class="button primary">Download Connector/C 3.4.11</a></p>
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[Download](https://mariadb.com/downloads/connectors)[Release Notes](/docs/release-notes/connectors/c/3.1/3.1.26.md)[Changelog](/docs/release-notes/connectors/c/changelogs/3.1/3.1.26.md)[About MariaDB Connector/C](/docs/connectors/mariadb-connector-c.md)

**Release date:** 12 Nov 2024

This is a [***Stable (GA)***](/docs/release-notes/community-server/about/release-criteria.md) release of MariaDB\
Connector/C, formerly known as MariaDB Client Library for C.

MariaDB Connector/C 3.1.25 was not released separately but is included in [MariaDB Community Server 10.5.27](/docs/release-notes/community-server/old-releases/10.5/10.5.27.md). MariaDB Connector/C 3.1.26 includes additional bug fixes for the Connector.

**For a description of this library see the**[**MariaDB Connector/C**](/docs/connectors/mariadb-connector-c.md) **page.**

## Issues fixed:

* Fixed possible crash if not default plugin was loaded.
* [CONC-730](https://jira.mariadb.org/browse/CONC-730): Undefined behavior in the reference ed25519 implementation
* [CONC-527](https://jira.mariadb.org/browse/CONC-527): Fixed error "SEC\_E\_ALGORITHM\_MISMATCH" connecting Windows client to Ubuntu

## Changelog

For a list of changes made in this release, with links to detailed information on each push, see the [changelog](/docs/release-notes/connectors/c/changelogs/3.1/3.1.26.md).

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MariaDB may already be included in your favorite OS distribution. More information can be found on the [Distributions which Include MariaDB](/docs/general-resources/distributions-including-mariadb.md) page.
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