opacity mask does not work with subsurface profile material in 4.17.1

Development Rendering
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1

hi,
I setup my character’s body material in subsurface profile shading model and masked cloth from hand skin via a blacknwhite texture connected to opacity. it worked fine in 4.16 but Recently I upgraded my UE4 to 4.17.1-3586342+++UE4+Release-4.17 Binary version.
now my mask does not work in subsurface profile mode and applies subsurface allover the body.
I simplified my material and checked my mask in other shading models(translucent,…) and it worked fine so I’m sure there is no problem with my mask. that leads me to think there is a bug in subsurface profile shading model.
I appreciate your attention.

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2

I checked 4.17 earlier version than mine and it has the same problem

3

Hello AMR,

I was unable to reproduce the issue you are experiencing. I have a couple of questions to help narrow down the issue you are experiencing.

  1. Can you reproduce this issue in a new project?
  2. If so could you provide a detailed list of steps, so that I can reproduce this issue on our end?

Thanks!

4

Hello AMR,

We have not heard back from you in a few days, so we are marking this post as Resolved for tracking purposes. If you are still experiencing the issue you reported, please respond to this message with additional information and we will follow up.

Thanks!