Prefer the old front, and especially the old lights.
If the dash has been "cleaned up" by removing a lot of the buttons and making things accessible by touch screen only (like the revised DS5), then that is a retrograde "improvement".
Have to do this a lot with the C4 Cactus I had for a day and was fiddly.
And what the Cactus had and the DS4 should have had ( and I am guess the facelift still doesn't) is opening rear windows. Ok, not enough room for wind-down, but could still have them like Cactus and hinge out, like many 3 door cars.