> 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/odbc/3.1/3.1.18.md).

# Connector/ODBC 3.1.18 Release Notes

Release notes for MariaDB Connector/ODBC 3.1.18, a Stable (GA) release published 13 April 2023.

{% hint style="info" %}

<p align="center">The most recent release of <a href="/docs/connectors/mariadb-connector-odbc.md">MariaDB Connector/ODBC</a> is: <a href="/docs/release-notes/connectors/odbc/3.2/3.2.10.md"><strong>3.2.10</strong></a></p>

<p align="center"><a href="https://mariadb.com/downloads/connectors/connectors-data-access/odbc-connector" class="button primary">Download Connector/ODBC 3.2.10</a></p>
{% endhint %}

[Download](https://mariadb.com/downloads/#connectors)[Release Notes](/docs/release-notes/connectors/odbc/3.1/3.1.18.md)[Changelog](/docs/release-notes/connectors/odbc/changelogs/3.1/3.1.18.md)[About MariaDB Connector/ODBC](/docs/connectors/mariadb-connector-odbc.md)

**Release date:** 13 Apr 2023

This is a [Stable (GA)](/docs/release-notes/community-server/about/release-criteria.md) release of MariaDB Connector/ODBC 3.1.

MariaDB Connector/ODBC 3.1.18 is built on top of [MariaDB Connector/C v.3.3.2](/docs/release-notes/connectors/c/3.3/3.3.2.md).

## Notable Changes

* Authentication plugins are now all static(compiled in) on Windows. That is also true for named pipe pvio plugin ([ODBC-384](https://jira.mariadb.org/browse/ODBC-384))

## Bug Fixes

* [ODBC-313](https://jira.mariadb.org/browse/ODBC-313) - Redundant SQLPrimaryKeys calls in applications created with Embarcadero
* [ODBC-374](https://jira.mariadb.org/browse/ODBC-374) - SQL\_C\_FLOAT should be mapped to SQLREAL, and not to SQLFLOAT
* [ODBC-375](https://jira.mariadb.org/browse/ODBC-375) - Connector can crash, if one of queries in the batch returns error on result storing
* [ODBC-377](https://jira.mariadb.org/browse/ODBC-377) - Timeouts set via ODBC do nothing
* [ODBC-378](https://jira.mariadb.org/browse/ODBC-378) - OPTIMIZE TABLE returns no resultset
* [ODBC-380](https://jira.mariadb.org/browse/ODBC-380) - Memory leak if connected with multistatement option
* [ODBC-385](https://jira.mariadb.org/browse/ODBC-385) - Wrong documentation for named pipes
* [ODBC-386](https://jira.mariadb.org/browse/ODBC-386) - Optimizing empty tables corrupts the MariaDB connection via ODBC
* [ODBC-387](https://jira.mariadb.org/browse/ODBC-387) - Connection string superseded by default settings

## Changelog

For a complete list of every change made in this release, with links to detailed information on each push, see the [changelog](/docs/release-notes/connectors/odbc/changelogs/3.1/3.1.18.md).

<sub>*This page is: Copyright © 2026 MariaDB. All rights reserved.*</sub>

{% @marketo/form formid="4316" formId="4316" %}