> 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/3.3/3.3.14.md).

# Connector/C 3.3.14 Release Notes

Release notes for MariaDB Connector/C 3.3.14, a Stable (GA) release published 11 February 2025.

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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/3.4/3.4.9.md"><strong>3.4.9</strong></a></p>

<p align="center"><a href="https://mariadb.com/downloads/connectors/connectors-data-access/c-connector" class="button primary">Download Connector/C 3.4.9</a></p>
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<a href="https://mariadb.com/downloads/connectors/connectors-data-access/c-connector" class="button primary">Download</a> <a href="/docs/release-notes/connectors/c/3.3/3.3.14.md" class="button secondary">Release Notes</a> <a href="/docs/release-notes/connectors/c/changelogs/3.3/3.3.14.md" class="button secondary">Changelog</a> <a href="/docs/connectors/mariadb-connector-c.md" class="button secondary">About MariaDB Connector/C</a>

**Release date:** 11 Feb 2025

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.

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

* Added support for setting zstd compression level via mysql\_optionsv parameter MYSQL\_OPT\_ZSTD\_COMPRESSION\_LEVEL.

## Issues fixed:

* [CONC-693](https://jira.mariadb.org/browse/CONC-693): Fix SSL\_read/write return value checking in ma\_tls\_async\_check\_result (Kudos to Joshua Hunt for contributing this fix)
* [CONC-589](https://jira.mariadb.org/browse/CONC-589): First query fails after reconnect
* [CONC-711](https://jira.mariadb.org/browse/CONC-711): Ubsan and Asan fixes
* [CONC-709](https://jira.mariadb.org/browse/CONC-709): Fix crash when sending NULL\_LENGTH in field description
* [CONC-708](https://jira.mariadb.org/browse/CONC-708): Fix possible buffer overflow in ma\_read\_ok\_packet
* [CONC-739](https://jira.mariadb.org/browse/CONC-739): prepared statement support AUTO\_SEC\_PART\_DIGITS
* [CONC-748](https://jira.mariadb.org/browse/CONC-748): Added support for TLSv1.3 ciphers (GnuTLS)

## 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/3.3/3.3.14.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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