A lawsuit in federal court claims that the keyboard used in all MacBook Pros and MacBooks manufactured for several years is defective. The plaintiffs request that this be de in a class acti, and that Apple be required to replace all affected keyboards at no cost to the users.
The lawsuit also seeks punitive damages because, as they claim, Apple ctinued to build sell laptops with the "butterfly" keyboard even though the company knew that it was faulty .
The keyboard design that is galloping this ctroversy made its debut in the 2015 MacBook, and was later used in the 2016 MacBook Pro. This is part of the following models
The name "butterfly" comes from the primary internal compent. old keyboards it looks like a pair of scissors, but Apple redesigned the mechanism to look like a butterfly