Cuckoo Sandbox 0.3.1 has been released.
The most interesting improvements include:
Extensive book guiding from setup to customization.
Improved analysis results processing engine.
Modular reporting engine with default HTML, TXT and JSON reports being generated.
Minimal web server/interface that allows you to browse, search and view HTML reports.
Introduction of support to URL submission.
UDP connections extraction.
A cool new logo. :-)
A lot of other things you can find listed in the CHANGELOG file.