MacOS Catalina

macOS Catalina (10.15) is a version of macOS that was released on 2019-10-07.

Features

 * Sidecar, iPad-based screen mirroring
 * Project Catalyst, iOS subsystem for macOS
 * Siri Shortcuts
 * Window Snapping
 * Music, Podcasts, and TV apps, replacing iTunes
 * iOS device integration in Finder
 * Support for the Mac Pro (2019)
 * zsh as the default shell
 * Removal of Dashboard
 * Read-only System Partition