The main contents of this video tutorial include analysis of the new version of React/Vue scaffolding, writing your own loader and plugin based on Webpack5, etc., giving you more choices when developing. Finally, it uses less than a hundred lines of code to implement Webpack packaging. By studying this set of video tutorials, you can completely open up the two channels of Webpack, take your technical level to a higher level, and have an unimpeded road to development projects! It is suitable for front-end engineers with some experience in React/Vue and basic knowledge of Webpack.