ID 551156 - Expression linking the "extra matrix" in a Roto node does not work

Problem summary
Expression linking the "extra matrix" in a Roto node does not work
 
Customer reported version
Nuke 14.0v3
 
Customer reported platform
Windows 10
 
Steps to reproduce
 
1) Open Nuke and create a Roto node

2) Open the Roto node properties bin and Add a layer and create a roto shape in the same layer

3) Open the Transform tab, expand and add some animation to the extra matrix
 
4) Create a new Roto node and open the properties bin and Add a layer
 
5) Copy the Roto from the first Roto node into the second Roto node
 
6) Open the Transform tab in the first Roto node and create an expression link from the extra matrix in the first Roto node to the extra matrix in the second Roto node
 
Expected behaviour
For the roto to be visible and animated from the expression link in the second Roto node
 
Actual behaviour
The roto is not visible or animated from the expression link in the second Roto node
 
Workaround
Unknown.
 
Reproduced by support
This bug has been reproduced in:
Nuke 14.0v5 - Windows 10 - macOS 12.6 - CentOS 7
Nuke 12.0v1 - Windows 10 - macOS 12.6 - CentOS 7
Nuke 10.0v1 - Windows 10
 
Earliest version tested
Nuke 10.0v1 - This issue appears to be in all tested versions of the product