Hmmm.....is the XJ ever really "ready" there is always several more projects lol. Have the Mustang brakes on though.
Looks like you front bumper is a permanent fixture now, no more unbolting it.
Looks much stronger than before. The only thing that worries me is that all the welds are in line with each other around the "frame". Watch for cracks along the weld on the frame.
A plate with this shape:
/ .. \
would allow for more weld and distribute the load better at the joint.