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A new layer is added called ‘Home’, which is also a pinned layer.
Press the left most icon on the immersive toolbar. This icon to the right of the Add Content button which looks like the outline of a house with the igloo logo inside the house.
This is the Home icon and it returns the user back to the homescreen. In fact, the button causes all un-pinned layers to be removed from the layer list and the Home layer is moved to the top of the layer list.
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