Release: Actifsource V11.3.0
It should be possible to copy/past model resources within a domain diagram and place them in a different position in the diagram.
Select figures within the diagram and copy (Ctrl+C) them:

Select the new position (Top left corner) in the diagram and paste (Ctrl+V) the model:

The copy past feature can be enabled or disabled for a diagram type:

If the paste implementation does not correspond to the default implementation, this feature can also be customized via an aspect:

Additionally it should be possible to synchronize diagram layouts which have overlapping contents.
Copy Layout:

Select the position (Top left corner) in the diagram and paste (Ctrl+V) the layout:

Result:

This feature is very useful for e.g. superstate diagrams which contain the same states.
It should be possible to copy/past model resources within a domain diagram and place them in a different position in the diagram.
Select figures within the diagram and copy (Ctrl+C) them:

Select the new position (Top left corner) in the diagram and paste (Ctrl+V) the model:

The copy past feature can be enabled or disabled for a diagram type:

If the paste implementation does not correspond to the default implementation, this feature can also be customized via an aspect:

Additionally it should be possible to synchronize diagram layouts which have overlapping contents.
Copy Layout:

Select the position (Top left corner) in the diagram and paste (Ctrl+V) the layout:

Result:

This feature is very useful for e.g. superstate diagrams which contain the same states.