CHANGELOG missing v2.1.0 release notes

[Eli-Black-Work]

Documentation Is:

• Missing
• Needed
• Confusing
• Not Sure?

Please Explain in Detail...

https://github.com/webpack-contrib/mini-css-extract-plugin/blob/master/CHANGELOG.md is missing release notes for mini-css-extract-plugin version 2.1.0

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