New versions of Weka are available for download from the Weka homepage:
Weka 3.4.14 - the stable book version available as ZIP, Win32 installer, Win32 installer incl. JRE 1.4.2_13 and Mac OS X application.
Weka 3.6.0 - stable GUI version created from the head of the development version. The 3.6 code line will receive bug-fixes only from now on. It is available as ZIP, with Win32 installer, Win32 installer incl. JRE 1.5.0_16 and Mac OS X application.
Both versions contain a significant number of bugfixes, it is recommended to upgrade to the new
It might take a while before Sourceforge.net has propagated all the files to its mirrors.
What's new in 3.6.0?
Wrapper classifier for the LibLINEAR library
K-Means now has an option to use the Manhattan distance function in combination with the component-wise median as the centroids.
The Explorer has some small usability enhancements.
As usual, for a complete list of changes refer to
The Weka Team