Hi Rudy,
Thanks for following up.
I am running this on a Samsung Galaxy Note3 (SM-N9005), running Android 4.4.2.
I am developing currently on Windows 10 Tech Preview. I also tested UE version 4.6 on the same system which does not produce this issue. If it’s strongly thought this is an issue I could with some effort setup a windows 7 or 8 build to test if it still happens on those platforms. I also use the binary distribution rather than compiled.
In order to re-produce this it’s fairly simple, create a landscape with layered material and it occurs. I did write a massive detail of every step performed but then realized I had exceeded the character limit on comments by 900. Hopefully that’s adequate, but that is all that it takes, create a landscape (does not matter the size, even a small one), create material with Landscape LayerBlend Nodes (I did also try LayerWeight Node and same thing), create the layer info for each layer and paint. It happens every time.
It also occurs regardless if I launch on device or packaging.
Let me know if more detail is required.