MacOS Catalina 10 (2019)

https://en.wikipedia.org/wiki/MacOS_Catalina

• Catalyst is a new software-development tool
• Gatekeeper code signing
• Activation Lock (Apple T2)
• Dedicated system volume
• Sidecar
• zsh

See also

• macOS: macOS versions, iTerm2, Homebrew, FileVault, System Integrity Protection, dscacheutil, networksetup, XNU kernel, APFS, diskutil, mdfind, Keychain Access, Growl, Activity Monitor, sidecar, macOS FHS, Apple Notification Center, sw_vers, Spotlight, pbcopy, MacOS application firewall, Applesimutils, Automatic login, security (command), codesign, spctl, Alfred, Xcode, system_profiler, log show, MacOS Preview, Rectangle app, Finder, macOS: Shortcuts, SEP, osascript, macOS profile, UTM, softwareupdate, systemsetup, pmset , macOS tips, macOS Dock, Automator, SIP, System Preferences, installer, cryptex, AirPlay, macOs first setup, Universal Control