LATEST APPLE PATENT - Replaceable MacBook Keyboard Keys

Published: Dec. 31, 2020, 7:52 p.m.

The filing, originally reported on by Patently Apple,  includes a description about how the keyboard's keys could have 'an  associated key display' connected to 'control circuitry in the keyboard'  via a 'coherent fiber bundle.' Each key would operate as an adjustable digital display, and could be  made from materials such as glass, ceramic, metal, polymer, or even  crystalline materials like sapphire.