Improvements to the package manager: load status of individual packages can now be toggled to prevent a package from loading; "Available" button now displays the latest version of all available packages that are compatible with the base version of Weka
RandomizableFilteredClassifier
Canopy clusterer
ImageViewer KnowledgeFlow component
PMML export support for Logistic. Infrastructure and changes contributed by David Person
Extensive tool-tips now displayed in the Explorer's scheme selector tree lists
Join KnowledgeFlow component for performing an inner join on two incoming streams/data sets