XNAT 1.8.3 is now available and ready to install. This version of XNAT is a maintenance version, including several bug fixes to backend services related to image session importing. Here is a quick overview of what is included:
Upgrading is (fairly) easy!
The upgrade path from XNAT 1.8 to XNAT 1.8.3 is as easy as configuring your war file for the version of Tomcat you're running and dropping the new war file in place. Upgrading from the XNAT 1.7.x line is only mildly more arduous. See the XNAT Upgrade Instructions.
XNAT Release Notes | XNAT Documentation