Description

This only seems to happen when the vector parameter is expanded, not when it's collapsed. Collapsing and re-expanding the parameter seems to clear the issue as well.

The material seems to use the override value when the checkbox is checked, too.

[Image Removed]

Steps to Reproduce
  1. Create three material layers with at least one vector parameter
  2. Create a couple of material layer blends, with a variety of parameters (direction, intensity, etc.)
  3. Create a simple layered material, and create an instance of that. Add your layers and blends.
  4. In the Layer parameters view, expand the vector parameters of your layers
  5. Click the "override" checkbox to enable override
  6. Observe the parameters values greyed out

Alternately, see attached project for repro. Open M_MyLayeredMaterial_inst and expand the vector parameters of 

Have Comments or More Details?

There's no existing public thread on this issue, so head over to AnswerHub just mention UE-108014 in the post.

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Fixed
ComponentTools - Material Editor
Affects Versions4.26
Target Fix4.27
Fix Commit16116298
Main Commit16120030
Release Commit16116298
CreatedFeb 5, 2021
ResolvedApr 26, 2021
UpdatedApr 27, 2021