there's something fundamentally wrong with starting on v4 the moment v3 is complete
@rain v3 goes into "feature freeze" aka "bug fix only" mode. Some software calls it LTS. All new breaking shit goes into the next version. It's a way of protecting users from whatever crazypants stuff is happening in the master branch.
Welcome to your niu world ! We are a cute and loving international community Ｏ(≧▽≦)Ｏ !