In the years since Apple launched its butterfly keyboard on the 12-inch MacBook in 2015, customers have reported various issues — some involving keys that register twice when tapped once ...

Apple has ended free repairs for butterfly keyboard issues on MacBooks from 2015-2019. The butterfly keyboard defects led to legal action and criticism from users. Apple switched to scissor switch ...

Apple introduced a redesigned MacBook Pro in late 2016 featuring a "butterfly" keyboard mechanism, which aims to provide "more responsive and comfortable typing," Apple said at the time.

Apple has said it's aware that a small number of users are having issues with the third-generation butterfly keyboard, which can be found on products like the 2018 MacBook Pro and new MacBook Air.