When Did Mac Os Releases Happen? Timeline

The history of macOS, previously known as Mac OS X, is a long and storied one, with the first version of the operating system being released in 2001. Since then, Apple has released numerous updates and new versions of the operating system, each with its own unique features and improvements. In this article, we will take a closer look at the timeline of macOS releases, from the earliest versions to the latest updates.
Early Years: Mac OS X (2001-2007)

The first version of Mac OS X, Mac OS X 10.0 Cheetah, was released on March 24, 2001. This initial release was a significant departure from the classic Mac OS, with a new Aqua interface and a Unix-based core. Over the next few years, Apple released several updates to Mac OS X, including 10.1 Puma in 2001, 10.2 Jaguar in 2002, 10.3 Panther in 2003, and 10.4 Tiger in 2005. Each of these updates brought new features and improvements to the operating system, including Exposé, Spotlight, and Dashboards.
Leopard and Snow Leopard (2007-2009)
In 2007, Apple released Mac OS X 10.5 Leopard, which introduced a number of significant new features, including Time Machine, Spaces, and Quick Look. Leopard was a major update to the operating system, and it laid the foundation for future releases. In 2009, Apple released Mac OS X 10.6 Snow Leopard, which focused on improving performance and stability, rather than adding new features.
Mac OS X Version | Release Date |
---|---|
10.0 Cheetah | March 24, 2001 |
10.1 Puma | September 25, 2001 |
10.2 Jaguar | August 23, 2002 |
10.3 Panther | October 24, 2003 |
10.4 Tiger | April 29, 2005 |
10.5 Leopard | October 26, 2007 |
10.6 Snow Leopard | August 28, 2009 |

Lion, Mountain Lion, and Mavericks (2011-2013)

In 2011, Apple released Mac OS X 10.7 Lion, which introduced a number of new features, including Launchpad, Full-screen apps, and Resume. Lion was followed by Mac OS X 10.8 Mountain Lion in 2012, which added features like Notification Center and Game Center. In 2013, Apple released Mac OS X 10.9 Mavericks, which was the first version of the operating system to be free, and it introduced features like iBooks and Maps.
Yosemite, El Capitan, and Sierra (2014-2017)
In 2014, Apple released OS X 10.10 Yosemite, which introduced a new flat design language and features like Handoff and Continuity. Yosemite was followed by OS X 10.11 El Capitan in 2015, which focused on improving performance and stability. In 2016, Apple released macOS 10.12 Sierra, which introduced features like Siri and Universal Clipboard.
macOS Version | Release Date |
---|---|
10.7 Lion | July 20, 2011 |
10.8 Mountain Lion | July 25, 2012 |
10.9 Mavericks | October 22, 2013 |
10.10 Yosemite | October 16, 2014 |
10.11 El Capitan | September 30, 2015 |
10.12 Sierra | September 20, 2016 |
High Sierra, Mojave, Catalina, and Big Sur (2017-2020)
In 2017, Apple released macOS 10.13 High Sierra, which introduced features like APFS and HEVC. High Sierra was followed by macOS 10.14 Mojave in 2018, which added features like Dark Mode and Stacks. In 2019, Apple released macOS 10.15 Catalina, which introduced features like Sidecar and Project Catalyst. In 2020, Apple released macOS 11.0 Big Sur, which marked a major redesign of the operating system, with a new design language and features like Control Center and Notification Center.
Monterey and Ventura (2021-2022)
In 2021, Apple released macOS 12.0 Monterey, which introduced features like Universal Control and SharePlay. Monterey was followed by macOS 13.0 Ventura in 2022, which added features like Stage Manager and Freeform.
macOS Version | Release Date |
---|---|
10.13 High Sierra | September 25, 2017 |
10.14 Mojave | September 24, 2018 |
10.15 Catalina | October 7, 2019 |
11.0 Big Sur | November 12, 2020 |
12.0 Monterey | October 25, 2021 |
13.0 Ventura | October 24, 2022 |
What is the latest version of macOS?
+The latest version of macOS is macOS 13.0 Ventura, which was released on October 24, 2022.
What are the system requirements for macOS?
+The system requirements for macOS vary depending on the version, but generally include a Mac computer with a 64-bit processor, at least