The writing is on the wall for Apple's iOS browser dominance, and it's being written by regulatory bodies worldwide. For over a decade, Apple has maintained an iron grip on iPhone web browsing by forcing every browser—Chrome, Firefox, Edge, whatever—to use Safari's WebKit engine under the hood. But that's about to change, whether Apple likes it or not. Multiple governments are now demanding Apple open up iOS to third-party browser engines, with enforcement deadlines looming throughout 202...