On the other hand, the presence of this protective layer led iFixit to speculate that it was put there to help keep dust and other particulates from accumulating under the keys-a concern that has plagued MacBook users for a long time. During its teardown of the new laptops, iFixit discovered that there might be an ulterior motive in Apple introducing the new keyboard.
While Apple has not shouted about the dust-resistance of the updated keyboard, the silicone membrane uncovered by iFixit looks remarkably similar to a patent of Apple's for a method to "prevent and/or alleviate contaminant ingress".
Those new keyboards on the refreshed MacBook Pros provide a slightly quieter typing experience, but they retain the same short key travel from the previous generation. The new 2018 models have the same starting price as their 2017 counterparts, with the "base" 15-inch MBP starting at $2399 while the "high-end" MBP starts at $2799 which packs a faster CPU, better GPU, and twice the SSD capacity.More news: Obama visits Kenya en route to SA
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One of the side effects of the silicon membrane is that it means that key presses are now quieter (which Apple acknowledged), which addresses another complaint about the butterfly key mechanism. Apple had previously patented technology created to "prevent and/or alleviate contaminant ingress".
The teardown of the new Macbook Pro models, performed by the do-it-yourself fix gurus, showed what appeared to be a "thin, rubberised" layer between the keycap and the underlying butterfly switch mechanism.
Apple is in the middle of several class-action lawsuits for the failure of their keyboards, so of course they can't just come out and say, "Hey, we fixed it!"