Tessellated objects when viewed from afar flicker. When spawned into QA-Materials the player is the perfect distance away from the tessellated object for the cube to flicker.
Found in both Binary 4.13.1 CL-3139755 and 4.12.5 CL-3039270.
Setup: Have a copy of QAGame open.
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-36438 in the post.