ID 402827 - A duplicated mesh with a displacement map on it is not updated when the displacement map is hidden through the Shader Tree or Viewport properties.

Problem summary
A duplicated mesh with a displacement map on it is not updated when the displacement map is hidden through the Shader Tree or Viewport properties.

Customer reported version
modo.13.1v1

Customer reported platform
windows10

Steps to reproduce

1) Download and open the attached scene.

2) Right-click the mesh with the displacement map on it and select Duplicate>Duplicate.

3) Select the duplicate mesh and move it so you can see both meshes.

4) Navigate to the Shader Tree and hide the displacement map, notice that the original mesh is updated but the duplicate is not.

Expected behaviour
Both meshes should update in the 3D viewport.

Actual behaviour
Only the original mesh is updated in the 3D viewport.

Workaround
Unknown.

Reproduced by support

This bug has been reproduced in:

13.1v1 - Windows 10 - MacOS 10.13 - Centos 7 -regression
 

Unable to reproduce bug in:

13.0v1 - Windows 10 - MacOS 10.13 - Centos 7
 

Earliest version tested

13.0v1 - This issue no longer appears in this version and has regressed.