There are several macOS versions (also known as OS X or Mac OS X) and codenames of those releases. Apple recently launched macOS Mojave, the latest version of its desktop operating system. Starting with Mac OS X 10.7 Lion in 2011, Apple has been updating its operating system annually with new codenames and revisions of the same code name. In this article, you can learn about all macOS versions and their codenames from 2005 to the present day.

What is macOS?

macOS is an operating system by Apple that powers Mac computers. It’s available in two major versions: macOS Sierra (for Mac OS 10.12 and later) and OS X El Capitan (for Mac OS 10.11 and earlier). You can also find macOS in other devices like Apple TV, Apple Watch, iPhone, iPad, and iPod touch. The history of macOS goes back to 1984 when Apple released the first Macintosh computer with a new operating system called the Macintosh Operating System (MOS). Before MOS and macOS, Apple used a proprietary operating system called Apple DOS. MOS came with several features including the Macintosh User Interface (UI), Multi-tasking, File System, Hypertext, and Graphical User Interface (GUI).

macOS Versions and Code names

Every macOS operating system is identified by there version number and its unique codename. Here is the list of macOS versions and their code names.

macOS Version Codename Release date
OS X 10 beta Kodiak 13 September 2000
OS X 10.0 Cheetah 24 March 2001
OS X 10.1 Puma 25 September 2001
OS X 10.2 Jaguar 24 August 2002
OS X 10.3 Panther 24 October 2003
OS X 10.4 Tiger 29 April 2005
OS X 10.5 Leopard 26 October 2007
OS X 10.6 Snow Leopard 28 August 2009
OS X 10.7 Lion 20 July 2011
OS X 10.8 Mountain Lion 25 July 2012
OS X 10.9 Mavericks 22 October 2013
OS X 10.10 Yosemite 16 October 2014
OS X 10.11 El Capitan 30 September 2015
macOS 10.12 Sierra 20 September 2016
macOS 10.13 High Sierra 25 September 2017
macOS 10.14 Mojave 24 September 2018
macOS 10.15 Catalina 07 October 2019
macOS 11 Big Sur 12 November 2020
macOS 12 Monterey 25 October 2021
macOS 13 Ventura TBA

Conclusion

The macOS is a powerful operating system with many new features added with every new version. If you are planning to buy a new computer and want to install macOS, check the macOS version and codename of your computer before purchasing it.

In this article, you can learn about all macOS versions and their codenames from 2000 to the present day. The history of macOS goes back to 1984 when Apple released the first Macintosh computer with a new operating system called the Macintosh Operating System (MOS).