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.
Latest release announcement (2013-10-25): 4.0.0.Beta4.
A detailed list of new features, improvements and fixes in this series can be found on our JIRA instance.
If you need to upgrade from a previous series, please refer to the migration guide.