Not compatible with your requirements? Have a look at the other series.
See also the Compatibility policy.
Documentation for this specific series can be accessed through the links below:
You can find more documentation for all series on the documentation page.
How to get it
More information about specific releases (announcements, download links) can be found here.
If you want to start using the library, please refer to the getting started guide:
If you need to upgrade from a previous series, please refer to the migration guide:
Latest release announcement (2015-06-01): 4.2.0.Final.
A detailed list of new features, improvements and fixes in this series can be found on our issue tracker.
Releases in this series