Krakatoa MY 2.3.0.54606 was publicly released on January 22, 2014. It supports Maya 2011 to 2014 64-bit.
Download:
thinkboxsoftware.com/krakatoa-my-downloads/
Release notes:
http://www.thinkboxsoftware.com/krakatoa-my-230-release-notes
This is the build which was used in the Krakatoa MY - Introduction To Magma Webinars on January 21st and 22nd.
Once the recordings of the webinar are posted, you will need to download this build to be able to follow all steps in the demonstration.