That's the Variant Form, which provides more information for those displays, that are capable of displaying with colour and other things.
This chart gives you the difference between FE0F
and FE0E
:
You could consider that the FE0E
version is the unicode text version, and the FE0F
version is with graphics (those which are capable will display graphically), which gracefully degrades to text version, when graphical display is not available.
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…