The 4.13 and 4.12 versions of Content Examples is available via the Epic Games Launcher on the Learn Tab.
4.13 has added the BlueprintRenderToTarget map to show off an example with fluid surface using them. I think there are plans to release a bust example for skin/hair shading, but I’m not aware of the finer details of when that may be going out other than “soon.”
There may be some other ones in there, but this is all I’m currently aware of off-hand.