- Move hight density connector J1 from X=-20mm to X=-20.2mm
- Delete the 4 external pins for hight density connector
- Enlarge the footprint of high-density connectors (pin width from 25.98mil to 30.98mil)
- Enlarge to 0.28mm track width for GND, 3.3V, VSYS
- Link pin GND 54 of J1 to Shield header GND