The most immediate change in Big Sur was its visual overhaul, described by Apple as the biggest design update in a decade. The interface shifted toward a "neumorphic" aesthetic, characterized by:
macOS Big Sur, released on November 12, 2020, marked one of the most significant shifts in Apple's desktop operating system history. As the first version to officially carry the "macOS 11" designation—ending the nearly two-decade-long "OS X" era—it introduced a bridge between mobile and desktop computing while laying the groundwork for Apple's transition to custom silicon. A Design Revolution: From Desktop to "iPad-esque" macOS Big Sur Free Download
The Evolution of macOS: The Legacy and Accessibility of Big Sur The most immediate change in Big Sur was