1. Border Radius (Rounded Corners)
border-radius
border-top-left-radius
border-top-right-radius
border-bottom-left-radius
border-bottom-right-radius
2. Border Images
border-image
border-image-outset
border-image-repeat
border-image-source
border-image-slice
border-image-width
3. Overflow Properties
overflow (minor update from CSS 2.01)
overflow-x
overflow-y
overflow-style
text-overflow
4. Other New Properties
box-shadow
box-decoration-break
opacity
only-child
first-child
radial-gradient()
position
z-index