Apple Support Doc. Confirms New MacBook Pros are Dust-Resistant

it said that the third-generation butterfly keyboards were simply quieter..    But in teardown by repair site iFixit, new keyboard silicone membranes looked like measure to mitigate the possibility of dust, debris and other particles mucking up the butterfly-style key switches..   Since then, Apple document has confirmed the true purpose of those silicone key switch covers in MacBook Pro devices..   The site published screenshot of the passage, indicating that the silicone covers discovered on 2018 MacBook Pro models are indeed ingress-proofing measure...   The keyboard has membrane under the keycaps to prevent debris from entering the mechanism, adding that changes to the bar also warrant new repair procedures..   then it's the indication that the silicone membranes are meant to make MacBook keyboards quieter...   Even Apple patent published earlier this year seemed to corroborate the fact that the silicone membranes were mechanism — or, at the very least, had another purpose than just making the keyboards quieter..   Apple has been hit with backlash and lawsuit due to the problems some users experience with dust and debris entering their keyboards..   Based on user and repair expert reports, this is result of the new butterfly-style design used MacBook and MacBook Pro models to shave off extra weight and size..   The Cupertino giant has yet to acknowledge that its butterfly keyboards are prone to dust and debris problems.   Read more