Release Notes: A "matrix" element for handling arrays of numbers was added. A "loop" flow-control element was added to solids and structures. Namespaces were added to included files, and the ability to import specific volumes only was added. Support for optical surfaces was added.
Release Notes: New solids have been added: twisted box, twisted trap, twisted trd, and twisted tubs. Support for modularization of the GDML files has been added through tags allowing any GDML file to be included within another.