FISPACT-II version 3-20-00 (December 2016) has been released.
This includes the addition of several new, major features including enhanced energy-dependent fission yield treatment, depletion uncertainty, new graphical outputs, free gamma source discretisations, arbitrary incident particle energy groups and more. For more details see the FISPACT-II wiki
Distribution through OECD/RSICC channels will begin in 2017. For direct access through UKAEA please use the contact page