The new float label reacts when the view is in read-only mode, or control is disabled for input.

To test on WebOrder,

In oZoomSalesPerson zoom view, I have changed oSalesPName form to be lpfloat.
Created a new Sales row, with no name. just person ID.
This is to make the label appear inside the control when it has no value.

When you select this new person record from SelectSalesPerson wo, the Zoom is activated in read-only-mode.

Click image for larger version. 

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The label appears properly inside the control, but if you clik the PersonName form, the label reacts and goes to the top, but the control never receives the focus.
Click image for larger version. 

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This behavior is not ideal. it confuses the end user.. as it suggest the user can do something.. but he/she can't.
the label should react only when the control can really gain the focus.