Created on: May 26, 2013
Last updated: April 9, 2020
The official designations for all OS X and macOS versions are listed below.
10.0 Cheetah
10.1 Puma
10.2 Jaguar
10.3 Panther
10.4 Tiger
10.5 Leopard
10.6 Snow Leopard
10.7 Lion
10.8 Mountain Lion
10.9 Mavericks
10.10 Yosemite
10.11 El Capitan
10.12 Sierra
10.13 High Sierra
10.14 Mojave
10.15 Catalina
