Epic Devs should really look-up for this lecture (once the recording comes up in a few weeks):
cppcon : Modernizing Legacy C++ Code
One of the speakers is really aewsome - I went through 3 courses she did that I got off from pluralgifht - I really like her style of teaching/explaining.
UE4 is already compiled using a C++11 compiler, so they might as well do it right all the way, and spare us the Macros nightmares…