Release Notes: Graph drawing algorithms were added: the Ganswer-Sugiyama algorithm, and a simple force-based layout algorithm. A decoration figure for rendering PDF documents is now available. Readers and writers were added for the GML and GraphML file formats. The default XML storage format for NGR files is now GraphML rather than GXL. There were also minor bugfixes and API enhancements.
Release Notes: Complete code cleaning and rewriting with application of design patterns. Support for the PDF, GXL, and DOT formats.