A new official (test) version of YGOPro 0x1020 has been released.
The interface language is Chinese but translating it should be a lot easier to do compared to the previous version. It can be done by editing the strings.conf file.
Download from https://github.com/Fluorohydride/ygopro/downloads
It seems J_BYYX is already working on it. For people who want to help with the translation visit his forum.