https://wccftech.com/apple-repair-macbook-pro-keyboards-for-free/ > Starting with the 12-inch MacBook and the redesigned MacBook Pro lineup that was released back in 2016, these machines came with a new keyboard that featured a butterfly mechanism that had to be incorporated because of the sleek design of these notebooks. > Unfortunately, the new design will come to haunt Apple because there were several complaints of these devices related to the failing of keys. Some keys would often get stuck in place while others would be able to get pushed but did not register a keystroke on the display. Two years have passed and after a lawsuit, Apple is ready to provide a service to these deserving owners.