MacOS versions

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

• macOS Catalina 10.15 (October 2019)
• macOS Mojave 10.14 (September 2018)
• macOS El Capitan (2015): System Integrity Protection

• macOS Mountain Lion 10.8 (2012): ASLR (Meltdown)
• macOS X 10.6 (2009): Grand Central Dispatch. (dispatch_apply)

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, menu bar, IPSW
• Software changelogs, git log, GA, EoL, EOS, release cycle, apt changelog, docker-compose changelog