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.

MacOS cursors

Platypus is a developer tool that creates native Mac applications from command line scripts such as shell scripts or Python, Perl, Ruby, Tcl, JavaScript and PHP programs. This is done by wrapping the script in a macOS application bundle along with an app binary that runs the script.