Group 1 - Alan Dye, Apple's head of user interface design, is leaving to join Meta, marking a significant executive shift in Silicon Valley [1] - Apple has confirmed Dye's departure, with CEO Tim Cook stating that the company prioritizes design and has a strong team in place, with Stephen Lemay set to succeed Dye [1][2] - Steve Lemay has been instrumental in the design of every major Apple interface since 1999, highlighting Apple's long-standing emphasis on design as a competitive advantage [2] Group 2 - Dye recently unveiled a redesign of Apple's software interface called Liquid Glass, featuring translucent buttons, updated app icons, and fluid animations, which he described as the "next chapter" for Apple's software [3] - The new design aims to blur the lines between hardware and software, enhancing user experience while maintaining familiarity [4] - Reviews of the Liquid Glass update, which was included with new iPhones in September, were mixed, indicating varied reception among users [4]