https://www.cnet.com/news/quieter-macbook-pro-keyboard-is-reportedly-exclusive-to-2018-model/

There's a new MacBook Pro keyboard in town, one which Apple merely says is quieter, but also presumably protects against damage from dust.

But if your MacBook Pro gets damaged by dust and you opt for the free repair program, you probably won't get the new quieter third-gen "butterfly switch" keyboard -- but rather a replacement for your original second-gen model.