You can get the latest version of the legacy v5 Studio and legacy v5 Jitterbit Server at Customer Downloads. The official external support for commercial customers is provided via Getting Support.
Release Notes - December 2015
Fixed problem with ParseUrl not decoding some characters (such as <) correctly.
Fixed ConcurrentModificationException in JDBC database transactions under heavy load.
Fixed issue with XML with Group + OneOf combinations.
Allows HTTP compression for in transit data.
The nillable attribute will be shown in extra folder of target.
