Except keeping the compatibility for Arduino, there are the some changes of Electronic Brick Shield v1.2:
1. Use the breadboard type of though holes, making it easy for soldering DIP ICs.
2. Add an external power input connector and a push button switch, making it easy for power supply control.
3. Use all through hole components, making it easy for manufacture.
The board is under prototyping, and it should be available by the end of Jan. 2016.
Thanks for your support!
Happy New Year!