When I try to use scene views, I can capture the node state but cannot restore from it. This is on latest preview on Mac. There are also messages like this in the log file:
Switch to module: "SceneViews"
"Segmentation" Reader has successfully read the file "/Users/amaga/Desktop/MD_Repos/human_trunk-issue-16/issue-16.seg.nrrd" "[0.15s]"
Switch to module: "Data"
Module "Annotations" associated with node class "vtkMRMLAnnotationSnapshotNode" does not have widget
Further testing show that lack of response related to 3D models. Everything works fine if the rendered object is a volume. Scene views doesn’t restore the layout, if a model or a segmentation is loaded.