Chosen Solution
One letter on my keyboard (Macbook Pro 2018) (butterfly keys) has come completely unstuck. Do I need some kind of special gum / glue to hold the central bit of the mechanism down? At the moment the whole letter just lifts off. Photos below:
@twigdip - Don’t do anything! Get your self to an Apple Store to let them fix it under the extended warranty program Keyboard Service Program for MacBook, MacBook Air, and MacBook Pro