The licensee has provided a recommended fix for this issue. Please see the UDN.
Download the licensee repro from here - [Link Removed]
The scene will show a water texture on a 2D plane. As you move away from the surface, it becomes darker. Further forward and it gets lighter. Expected output is for it to maintain the colour.
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-130479 in the post.