# Connector/C 3.4.9 Release Notes

<a href="https://mariadb.com/downloads/connectors/connectors-data-access/c-connector" class="button primary">Download</a> <a href="/pages/OlOxADNpJ1xWTk5R71Uo" class="button secondary">Release Notes</a> <a href="/pages/jcEXJZpJLwZefh7bbKjx" class="button secondary">Changelog</a> <a href="/spaces/CjGYMsT2MVP4nd3IyW2L/pages/iaR8JUIJhAdBxxadFJzY" class="button secondary">About MariaDB Connector/C</a>

**Release date:** 10 Jun 2026

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 Items

* Included in MariaDB Community Server [11.4.11](/docs/release-notes/community-server/11.4/11.4.11.md), [11.4.12](/docs/release-notes/community-server/11.4/11.4.12.md), [11.8.7](/docs/release-notes/community-server/11.8/11.8.7.md), and [11.8.8](/docs/release-notes/community-server/11.8/11.8.8.md)

## Issues Fixed

* [CONC-769](https://jira.mariadb.org/browse/CONC-769): Add null checks for ma\_hash\_new return value
* [CONC-805](https://jira.mariadb.org/browse/CONC-805): Fixed const correctness in mariadb\_set\_conf\_option
* [CONC-812](https://jira.mariadb.org/browse/CONC-812): Always update length member of bind structure for fixed sized types
* [CONC-813](https://jira.mariadb.org/browse/CONC-813): ubsan fixes
* [CONC-815](https://jira.mariadb.org/browse/CONC-815): timestamp calculation in binlog api
* [CONC-816](https://jira.mariadb.org/browse/CONC-819): CMake modernization for 3.12
* [CONC-819](https://jira.mariadb.org/browse/CONC-819): mysql\_real\_escape\_string incorrectly handles big5
* [MDEV-37527](https://jira.mariadb.org/browse/MDEV-37527): disallow unresolved symbols in dynamic plugins

Special thanks to Michael Schorm and Rudi Heitbaum for their contributions.

## 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/3.4/3.4.9.md).

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