I am using the fieldInfos to set the content in a popup. At 4.3, I could put html in the label property to take advantage of the title attribute that would show a description of the field when the user hovered. At 4.4, the html is not converted to text.
label: "<span title='An indication of the bridge’s capacity to remain in service (0 -100)'>Sufficiency Rating</span>"
(not sure why the screen shot has transparency on the tooltip, please ignore)
Here are a couple JSBins to show the problem:
Is this a bug? Is there another way to accomplish this?