Based on the official Gimp 2.8 with some runtime files from the Gimp 2.7.x Partha builds and a few hacks. Some stuff that didn't work at all has been removed, python, some plugins and gegl plugins and some scripts but more stuff has been added, 100+ extra plugins, all existing GTK theme engines including the rare equinox engine and help files as well as a few scripts. Unfortunately the brush editor dialog, brush dynamics editor and the gradient editor are non functional and I could do nothing a