babel/polyfill deprecation notice implies the necessity to include core-js/stable even when useBuiltIns = usage

[dmitriyshashkin]

This guide here says that instead of using https://babeljs.io/docs/en/usage#polyfill package one should include directly "core-js/stable".

But as I understand if I'm using "useBuiltIns": "usage" I should not include "core-js/stable" directly.

Yes, the documentation states that if I'm using @babel/preset-env with useBuiltIns = usage I should not include @babel/polyfill But I was sure it only relates to @babel/polyfill import which is now deprecated.

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