Biaoshi

> Proguard version 6.2.2 is quite old. You could try the newer versions for that: https://mvnrepository.com/artifact/com.guardsquare/proguard-base https://mvnrepository.com/artifact/com.guardsquare/proguard-core Where can I find the Proguard version for java 1.8？Does the newner version...