diff --git a/startup/gui/layouts.py b/startup/gui/layouts.py
index 9774bf02f19..5a296cf2fbd 100644
--- a/startup/gui/layouts.py
+++ b/startup/gui/layouts.py
@@ -68,10 +68,10 @@
 # > this file, to prevent the standard layouts from being serialised into the user's own
 # > preferences.
 
-layouts.add( 'Standard', "GafferUI.CompoundEditor( scriptNode, _state={ 'children' : ( GafferUI.SplitContainer.Orientation.Vertical, 0.963830, ( ( GafferUI.SplitContainer.Orientation.Horizontal, 0.699895, ( ( GafferUI.SplitContainer.Orientation.Vertical, 0.480044, ( {'tabs': (GafferUI.Viewer( scriptNode ), GafferSceneUI.UVInspector( scriptNode )), 'currentTab': 0, 'tabsVisible': True}, {'tabs': (GafferUI.GraphEditor( scriptNode ), GafferSceneUI.LightEditor( scriptNode ), GafferUI.AnimationEditor( scriptNode ), GafferSceneUI.PrimitiveInspector( scriptNode )), 'currentTab': 0, 'tabsVisible': True} ) ), ( GafferUI.SplitContainer.Orientation.Vertical, 0.538803, ( {'tabs': (GafferUI.NodeEditor( scriptNode ), GafferSceneUI.SceneInspector( scriptNode ), GafferSceneUI.SetEditor( scriptNode )), 'currentTab': 0, 'tabsVisible': True}, {'tabs': (GafferSceneUI.HierarchyView( scriptNode ), GafferUI.PythonEditor( scriptNode )), 'currentTab': 0, 'tabsVisible': True} ) ) ) ), {'tabs': (GafferUI.Timeline( scriptNode ),), 'currentTab': 0, 'tabsVisible': False} ) ), 'detachedPanels' : (), 'windowState' : { 'screen' : -1, 'fullScreen' : False, 'maximized' : True, 'bound' : imath.Box2f( imath.V2f( 0, 0.317554235 ), imath.V2f( 0.666666687, 1.0276134 ) ) }, 'editorState' : {'c-0-0-0-0-0': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-0-0-0-1': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-0-1-0-1': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-0-1-0-3': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-1-0-0-1': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-1-0-0-2': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-1-1-0-0': {'nodeSet': 'scriptNode.focusSet()'}} } )" )
-layouts.add( 'Standard (multi-monitor)', "GafferUI.CompoundEditor( scriptNode, _state={ 'children' : ( GafferUI.SplitContainer.Orientation.Vertical, 0.963830, ( ( GafferUI.SplitContainer.Orientation.Horizontal, 0.699895, ( {'tabs': (GafferUI.GraphEditor( scriptNode ), GafferSceneUI.LightEditor( scriptNode ), GafferUI.AnimationEditor( scriptNode ), GafferSceneUI.PrimitiveInspector( scriptNode )), 'currentTab': 0, 'tabsVisible': True}, ( GafferUI.SplitContainer.Orientation.Vertical, 0.538803, ( {'tabs': (GafferUI.NodeEditor( scriptNode ), GafferSceneUI.SceneInspector( scriptNode ), GafferSceneUI.SetEditor( scriptNode )), 'currentTab': 0, 'tabsVisible': True}, {'tabs': (GafferSceneUI.HierarchyView( scriptNode ), GafferUI.PythonEditor( scriptNode )), 'currentTab': 0, 'tabsVisible': True} ) ) ) ), {'tabs': (GafferUI.Timeline( scriptNode ),), 'currentTab': 0, 'tabsVisible': False} ) ), 'detachedPanels' : ( { 'children' : {'tabs': (GafferUI.Viewer( scriptNode ), GafferSceneUI.UVInspector( scriptNode )), 'currentTab': 0, 'tabsVisible': True}, 'windowState' : { 'screen' : -1, 'fullScreen' : False, 'maximized' : False, 'bound' : imath.Box2f( imath.V2f( 0.104687497, 0.106508873 ), imath.V2f( 0.839062512, 0.903353035 ) ) } }, ), 'windowState' : { 'screen' : -1, 'fullScreen' : False, 'maximized' : True, 'bound' : imath.Box2f( imath.V2f( 0, 0.317554235 ), imath.V2f( 0.666666687, 1.0276134 ) ) }, 'editorState' : {'c-0-0-0-1': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-0-0-3': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-1-0-0-1': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-1-0-0-2': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-1-1-0-0': {'nodeSet': 'scriptNode.focusSet()'}, 'p-0-0-0': {'nodeSet': 'scriptNode.focusSet()'}, 'p-0-0-1': {'nodeSet': 'scriptNode.focusSet()'}} } )" )
+layouts.add( 'Standard', "GafferUI.CompoundEditor( scriptNode, _state={ 'children' : ( GafferUI.SplitContainer.Orientation.Vertical, 0.963830, ( ( GafferUI.SplitContainer.Orientation.Horizontal, 0.699895, ( ( GafferUI.SplitContainer.Orientation.Vertical, 0.480044, ( {'tabs': (GafferUI.Viewer( scriptNode ), GafferSceneUI.UVInspector( scriptNode )), 'currentTab': 0, 'tabsVisible': True}, {'tabs': (GafferUI.GraphEditor( scriptNode ), GafferSceneUI.LightEditor( scriptNode ), GafferUI.AnimationEditor( scriptNode ), GafferSceneUI.PrimitiveInspector( scriptNode ), GafferSceneUI.RenderPassEditor( scriptNode )), 'currentTab': 0, 'tabsVisible': True} ) ), ( GafferUI.SplitContainer.Orientation.Vertical, 0.538803, ( {'tabs': (GafferUI.NodeEditor( scriptNode ), GafferSceneUI.SceneInspector( scriptNode ), GafferSceneUI.SetEditor( scriptNode )), 'currentTab': 0, 'tabsVisible': True}, {'tabs': (GafferSceneUI.HierarchyView( scriptNode ), GafferUI.PythonEditor( scriptNode )), 'currentTab': 0, 'tabsVisible': True} ) ) ) ), {'tabs': (GafferUI.Timeline( scriptNode ),), 'currentTab': 0, 'tabsVisible': False} ) ), 'detachedPanels' : (), 'windowState' : { 'screen' : -1, 'fullScreen' : False, 'maximized' : True, 'bound' : imath.Box2f( imath.V2f( 0, 0.317554235 ), imath.V2f( 0.666666687, 1.0276134 ) ) }, 'editorState' : {'c-0-0-0-0-0': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-0-0-0-1': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-0-1-0-1': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-0-1-0-3': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-0-1-0-4': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-1-0-0-1': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-1-0-0-2': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-1-1-0-0': {'nodeSet': 'scriptNode.focusSet()'}} } )" )
+layouts.add( 'Standard (multi-monitor)', "GafferUI.CompoundEditor( scriptNode, _state={ 'children' : ( GafferUI.SplitContainer.Orientation.Vertical, 0.963830, ( ( GafferUI.SplitContainer.Orientation.Horizontal, 0.699895, ( {'tabs': (GafferUI.GraphEditor( scriptNode ), GafferSceneUI.LightEditor( scriptNode ), GafferUI.AnimationEditor( scriptNode ), GafferSceneUI.PrimitiveInspector( scriptNode ), GafferSceneUI.RenderPassEditor( scriptNode )), 'currentTab': 0, 'tabsVisible': True}, ( GafferUI.SplitContainer.Orientation.Vertical, 0.538803, ( {'tabs': (GafferUI.NodeEditor( scriptNode ), GafferSceneUI.SceneInspector( scriptNode ), GafferSceneUI.SetEditor( scriptNode )), 'currentTab': 0, 'tabsVisible': True}, {'tabs': (GafferSceneUI.HierarchyView( scriptNode ), GafferUI.PythonEditor( scriptNode )), 'currentTab': 0, 'tabsVisible': True} ) ) ) ), {'tabs': (GafferUI.Timeline( scriptNode ),), 'currentTab': 0, 'tabsVisible': False} ) ), 'detachedPanels' : ( { 'children' : {'tabs': (GafferUI.Viewer( scriptNode ), GafferSceneUI.UVInspector( scriptNode )), 'currentTab': 0, 'tabsVisible': True}, 'windowState' : { 'screen' : -1, 'fullScreen' : False, 'maximized' : False, 'bound' : imath.Box2f( imath.V2f( 0.104687497, 0.106508873 ), imath.V2f( 0.839062512, 0.903353035 ) ) } }, ), 'windowState' : { 'screen' : -1, 'fullScreen' : False, 'maximized' : True, 'bound' : imath.Box2f( imath.V2f( 0, 0.317554235 ), imath.V2f( 0.666666687, 1.0276134 ) ) }, 'editorState' : {'c-0-0-0-1': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-0-0-3': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-0-0-4': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-1-0-0-1': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-1-0-0-2': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-1-1-0-0': {'nodeSet': 'scriptNode.focusSet()'}, 'p-0-0-0': {'nodeSet': 'scriptNode.focusSet()'}, 'p-0-0-1': {'nodeSet': 'scriptNode.focusSet()'}} } )" )
 layouts.add( "Empty", "GafferUI.CompoundEditor( scriptNode, windowState = {'fullScreen': False, 'screen': -1, 'bound': imath.Box2f(imath.V2f(0.0479166657, 0.108269393), imath.V2f(0.782812476, 0.906223357)), 'maximized': True} )" )
-layouts.add( 'Scene', "GafferUI.CompoundEditor( scriptNode, _state={ 'children' : ( GafferUI.SplitContainer.Orientation.Horizontal, 0.772298, ( ( GafferUI.SplitContainer.Orientation.Horizontal, 0.256131, ( ( GafferUI.SplitContainer.Orientation.Vertical, 0.501064, ( {'tabs': (GafferSceneUI.HierarchyView( scriptNode ),), 'currentTab': 0, 'tabsVisible': True}, {'tabs': (GafferSceneUI.SetEditor( scriptNode ),), 'currentTab': 0, 'tabsVisible': True} ) ), ( GafferUI.SplitContainer.Orientation.Vertical, 0.501064, ( ( GafferUI.SplitContainer.Orientation.Vertical, 0.927195, ( {'tabs': (GafferUI.Viewer( scriptNode ), GafferSceneUI.UVInspector( scriptNode )), 'currentTab': 0, 'tabsVisible': True}, {'tabs': (GafferUI.Timeline( scriptNode ),), 'currentTab': 0, 'tabsVisible': False} ) ), {'tabs': (GafferUI.GraphEditor( scriptNode ), GafferSceneUI.LightEditor( scriptNode ), GafferUI.AnimationEditor( scriptNode ), GafferSceneUI.PrimitiveInspector( scriptNode )), 'currentTab': 0, 'tabsVisible': True} ) ) ) ), ( GafferUI.SplitContainer.Orientation.Vertical, 0.501064, ( {'tabs': (GafferUI.NodeEditor( scriptNode ),), 'currentTab': 0, 'tabsVisible': True}, {'tabs': (GafferSceneUI.SceneInspector( scriptNode ),), 'currentTab': 0, 'tabsVisible': True} ) ) ) ), 'detachedPanels' : (), 'windowState' : { 'screen' : -1, 'fullScreen' : False, 'maximized' : True, 'bound' : imath.Box2f( imath.V2f( 0, 0.317554235 ), imath.V2f( 0.666666687, 1.0276134 ) ) }, 'editorState' : {'c-0-0-0-0-0': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-0-1-0-0': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-1-0-0-0-0': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-1-0-0-0-1': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-1-1-0-1': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-1-1-0-3': {'nodeSet': 'scriptNode.focusSet()'}, 'c-1-1-0-0': {'nodeSet': 'scriptNode.focusSet()'}} } )" )
+layouts.add( 'Scene', "GafferUI.CompoundEditor( scriptNode, _state={ 'children' : ( GafferUI.SplitContainer.Orientation.Horizontal, 0.772298, ( ( GafferUI.SplitContainer.Orientation.Horizontal, 0.256131, ( ( GafferUI.SplitContainer.Orientation.Vertical, 0.501064, ( {'tabs': (GafferSceneUI.HierarchyView( scriptNode ),), 'currentTab': 0, 'tabsVisible': True}, {'tabs': (GafferSceneUI.SetEditor( scriptNode ),), 'currentTab': 0, 'tabsVisible': True} ) ), ( GafferUI.SplitContainer.Orientation.Vertical, 0.501064, ( ( GafferUI.SplitContainer.Orientation.Vertical, 0.927195, ( {'tabs': (GafferUI.Viewer( scriptNode ), GafferSceneUI.UVInspector( scriptNode )), 'currentTab': 0, 'tabsVisible': True}, {'tabs': (GafferUI.Timeline( scriptNode ),), 'currentTab': 0, 'tabsVisible': False} ) ), {'tabs': (GafferUI.GraphEditor( scriptNode ), GafferSceneUI.LightEditor( scriptNode ), GafferUI.AnimationEditor( scriptNode ), GafferSceneUI.PrimitiveInspector( scriptNode ), GafferSceneUI.RenderPassEditor( scriptNode )), 'currentTab': 0, 'tabsVisible': True} ) ) ) ), ( GafferUI.SplitContainer.Orientation.Vertical, 0.501064, ( {'tabs': (GafferUI.NodeEditor( scriptNode ),), 'currentTab': 0, 'tabsVisible': True}, {'tabs': (GafferSceneUI.SceneInspector( scriptNode ),), 'currentTab': 0, 'tabsVisible': True} ) ) ) ), 'detachedPanels' : (), 'windowState' : { 'screen' : -1, 'fullScreen' : False, 'maximized' : True, 'bound' : imath.Box2f( imath.V2f( 0, 0.317554235 ), imath.V2f( 0.666666687, 1.0276134 ) ) }, 'editorState' : {'c-0-0-0-0-0': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-0-1-0-0': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-1-0-0-0-0': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-1-0-0-0-1': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-1-1-0-1': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-1-1-0-3': {'nodeSet': 'scriptNode.focusSet()'}, 'c-0-1-1-0-4': {'nodeSet': 'scriptNode.focusSet()'}, 'c-1-1-0-0': {'nodeSet': 'scriptNode.focusSet()'}} } )" )
 
 layouts.setDefault( "Standard" )