VR SLI (NVIDIA VRWorks) question

Hey guys!

At the last GDC, NVIDIA announced they are working on VRWorks integration with Unity, including so much wanted VR SLI feature:
https://blogs.nvidia.com/blog/2016/03/15/gdc-2016-unity-vr/


But I can't find any news about this.
Will we see it in 5.4 \ 5.5?
Could anyone from UT shed some light on this?

Thanks!