While sometimes it can be hard to see from single release to single release, Apple has steadily been refining the Aqua user interface since first introducing it.Mac OS X started life on CRTs and small notebook screens. Today, macOS spans from 13-inch MacBooks to the 32-inch Pro Display XDR. It has undergone system font changes and the Retina transition. It has had to adapt, hosting the addition of dozens and dozens of features over the years.

run macOS software on Linux. Like wine but for Mac software