One thing I forgot to double check: Super+W is for spreading all windows in _all_ workspaces but the Unity shortcut hints overlay shows "Spreading all windows in the _current_ workspace" which is Shift+Alt+Up actually.
One thing I forgot to double check: Super+W is for spreading all windows in _all_ workspaces but the Unity shortcut hints overlay shows "Spreading all windows in the _current_ workspace" which is Shift+Alt+Up actually.