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Version 10.11: "El Capitan"
OS X El Capitan was revealed on June 8, 2015, during the WWDC15 keynote speech.It was made available as a public beta in July and was made available publicly on September 30, 2015. Apple described this release as containing "Refinements to the Mac Experience" and "Improvements to System Performance" rather than new features. Refinements include public transport built into the Maps application, GUI improvements to the Notes application, as well as adopting San Francisco as the system font. Metal API, an application enhancing software, had debuted in this operating system, being available to "all Macs since 2012".
Version 10.12: "Sierra"
macOS Sierra was announced on June 13, 2016, during the WWDC16 keynote speech. The update brought the Siri assistant to macOS, featuring several Mac-specific features, like searching for files. It also allowed websites to support Apple Pay as a method of transferring payment, using either a nearby iOS device or Touch ID to authenticate. iCloud also received several improvements, such as the ability to store a user's Desktop and Documents folders on iCloud so they could be synced with other Macs on the same Apple ID. It was released publicly on September 20, 2016.
Version 10.13: "High Sierra"
macOS High Sierra was announced on June 5, 2017, during the WWDC17 keynote speech. It was released on September 25, 2017. The release includes many under-the-hood improvements, including a switch to Apple File System (APFS), the introduction of Metal 2, support for HEVC video, and improvements to VR support. In addition, numerous changes were made to standard applications including Photos, Safari, Notes, and Spotlight.
Version 10.14: "Mojave"
macOS Mojave was announced on June 4, 2018, during the WWDC18 keynote speech. It was released on September 24, 2018. Some of the key new features were Dark wallpaper in dark mode, Desktop stacks and Dynamic Desktop, which changes the desktop background image to correspond to the user's current time of day.
Version 10.15: "Catalina"
macOS Catalina was announced on June 3, 2019, during the WWDC19 keynote speech. It was released on October 7, 2019. It primarily focuses on updates to built-in apps, such as replacing iTunes with separate Music, Podcasts, and TV apps, redesigned Reminders and Books apps, and a new Find My app. It also features Sidecar, which allows the user to use an iPad as a second screen for their computer, or even simulate a graphics tablet with an Apple Pencil. It is the first version of macOS not to support 32-bit applications. The Dashboard application was also removed in the update. Since macOS Catalina, iOS apps can run on macOS with Project Catalyst but requires the app to be made compatible[70] unlike ARM-powered Apple silicon Macs that can run all iOS apps by default.
Version 11: "Big Sur"
macOS Big Sur was released November 12, 2020. It brings ARM support, new icons, GUI changes to the system, and other bug fixes. Since macOS 11.2.3, it is no longer possible to install iOS apps by default from an IPA file instead of the Mac App Store on Apple silicon Macs, which now requires a third-party software to unlock the functionality.
Version 12: "Monterey"
macOS Monterey was released on October 25, 2021.it introduces new features such as Portrait mode in FaceTime, Universal Control, AirPlay to Mac, Shortcuts application, and more. Universal Control allows users to use a single keyboard and mouse to move between devices. AirPlay now allows users to present and share almost anything. The Shortcuts app was also introduced to macOS, giving users access to galleries of pre-built shortcuts, designed for Macs, a service brought from iOS. Users can now also set up shortcuts, among other things.
Version 13: "Ventura"
macOS Ventura was released on October 24, 2022.macOS Ventura introduces Stage Manager, a new and optional window manager, Continuity Camera, which is a program that allows Mac users to use their iPhone as a camera, and several other new features