Production environment css style repeated packaging

[shwehb]

Bug report

The same css exists in the entry file and the asynchronous import file, causing the entry file css style to be overwritten when the asynchronous chunk is loaded.
Is it the expected result?

mini-css-extract-plugin@2.7.6

Actual Behavior

Expected Behavior

How Do We Reproduce?

Please paste the results of npx webpack-cli info here, and mention other relevant information

[alexander-akait]

Hello, yes, it is expected, because you have global styles and when override them in async CSS chunk, this is how it works

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