Update 0.13 does bring several major features that include:
Third Dealer Zhang Feng with 7 new Chinese MBTs
New Coastal Threat PvP map
PvE and PvP Reward System overhaul
Matchmaker 2.0
Retrofit System changes
Component & Crew Damage Adjustments
Apart from the new features, a large number of game corrections including but not limited to vehicle performance adjustments, map balance and critical issue fixes was implemented as well.
大致翻译一下，0.13的主要更新内容是第三条科技树中国线，那个经销商叫张峰，7辆新的中国MBT
新的PVP地图叫什么coastal threat
PVE和PVP收益系统调整
Matchmaker 2.0这玩意不知道是啥……
改装系统有新的变化
组件和成员伤害进行调整