The Academy of Motion Pictures Arts & Sciences' vfx executive committee has approved the expansion of the vfx category from three nominees to five, reports VARIETY [1]. Now the change needs to be approved by Awards Rules Committee and then the Board of Governors. The trade pub reports that branch changes are usually accepted, but such a big change is not a shoo-in.
Links:
[1] http://www.variety.com/article/VR1118019513.html