ID 509768 - Current Material Shader settings do not persist

Problem summary
Current Material Shader settings do not persist after changing the viewed Material
 
Customer reported version
Mari 5.0v2
 
Customer reported platform
Multiple
 
Steps to reproduce
 
1) Drag two of the default Materials from the Shelf to the Node Graph

2) Select the first Material node, press 1 and select the Current Material Shader view (the topmost option)

3) In the Shaders palette, change the Shader's properties such as Bump Weight, Roughness etc.
 
4) Select the second Material node, press 1 and select the Current Material Shader view (the topmost option)
 
5) Check the Current Material Shader properties in the Shader palette settings
 
Expected behaviour
The Current Material Shader's properties should be the same as they were set in step 3.
 
Actual behaviour
The properties are reset to default values.
 
Workaround
Unknown.
 
Reproduced by support
This bug has been reproduced in:
Mari 5.0v2 - Windows 10 - CentOS 7.9
Mari 5.0v1 - Windows 10
Mari 4.8v1 - Windows 10
Mari 4.7v1 - Windows 10 - CentOS 7.9
 
Earliest version tested
Mari 4.7v1 - This feature did not exist before this version