Before today's news of the home button's demise, the writing had been on the wall for a long time. The iPhone X (2017) was the first blow, with Apple describing the full-screen flagship as a ...

Apple Home Key was introduced with iOS 15. See Apple HomeKit and home button. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

For the iPhone X, Apple famously dropped the Home button in favor of an entirely touch-based interface system, and replaced the Touch ID fingerprint sensor with Face ID facial authentication.