The most recent release of MariaDB Connector/C is:
MariaDB Connector/C 2.2.1
Release date: 29 Nov 2012
This is the initial Stable (GA) release of the MariaDB Client Library for C. In general, marking this release as stable means that there are no known serious bugs, except for those marked as feature requests, that no bugs were fixed since last release that caused a notable code changes, and that we believe the code is ready for general usage (based on bug inflow).
For a list of changes made in this release, with links to detailed information on each push, see the changelog.