https://www.theguardian.com/technology/2018/jul/16/macbook-pro-keyboard-update-fix-dust-issues > Teardown exposes new silicone skirt around keys that could stop debris from blocking them > Despite Apple stating that new 2018 MacBook Pro keyboards were not designed to alleviate key failures due to dust, a teardown has revealed a new barrier under the keys that could stop them getting clogged up.