Is uglifyjs-webpack-plugin necessary for webpack V4

[hec9527]

By the default pack mode of webpack, is production. And this bundle.js is minified.

I tried run demo08 by webpack command, and demo06, Both the bundle.js minified.

demo06 use Uglifyjs-webpack-plugin and demo08 not, just use webpack

So, is Uglifyjs-webpack-plugin necessary for webpack since V4 ?

[ruanyf]

You are right.

Since 4.x version，Webpack will default compress the output file in the production mode.