当前版本说明
1.0.X - current stable version, 1.0 release //稳定版
1.1.X - current beta version, 1.1 release //公测版
2.X.X - current alpha version //内测版
0.23.X - simmilar to 2.X.X but missing NN HA.
0.22.X - does not include security
0.20.203.X - legacy stable version
0.20.X - legacy version //旧版本
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