https://arstechnica.com/gadgets/2018/06/apple-launches-service-program-to-address-macbook-pro-keyboard-woes/

Apple has publicly acknowledged that the butterfly switch keyboards in some MacBook and MacBook Pro computers have given consumers some trouble, and it has launched a new repair service program that promises to fix problems with those keyboards for free, regardless of whether the consumer purchased AppleCare.

Apple says in its public documentation on the program that certain models of MacBook and MacBook Pro "may exhibit one or more of the following behaviors":