Update quickly: iOS 15.2.1 closes critical gaps in Homekit, Carplay and messages

Jason Cross has written professionally about technology throughout his working life – 20+ years. He loves to figure out how complicated technology works, to describe it in a way that everyone can understand.

Without warning in the form of a beta, Apple released iOS 15.2.1 and iPadOS 15.2.1 yesterday. The reason is urgent.