A new version of JFreeChart is now available to download. Changes include:
+ added methods to XYDataset that return double primitives;
+ removed distinction between "primary" and "secondary" datasets, renderers and axes;
+ added fixed legend item options to CategoryPlot and XYPlot;
+ legend enhancements by Barek Naveh;
+ removed Log4j dependency;
+ many, many bug fixes;
See CHANGELOG.txt for further details.