The forthcoming existence of macOS 12 was discovered within the source code of a WebKit update from February 2021. It was announced on June 7 at the 2021 Worldwide Developers Conference and will be released later in 2021.
- Live Text for machine recognition of selectable text within images and photos.
- Privacy features protect Mail activity from being detected by email spammers.
- Safari is updated with a new more compact user interface that takes on the color of the visited webpage and introduces tab groups to consolidate and organize tabs.
- Shortcuts supersedes Automator for automating workflows.
- Spatial audio support during FaceTime calls with AirPods Max and Pro headphones, or built-in speakers on selected Mac models (2018 and later).
- Split view will be enhanced with the ability to swap out apps or return to a single full screen. Users can also opt to keep the menu bar visible in full-screen apps.
- Universal Control allows users to have a single keyboard and mouse setup move between macOS and iPadOS devices for a more seamless workflow.
- iMac (Late 2015 or later)
- iMac Pro (late 2017 or later)
- MacBook (Early 2016 or later)
- MacBook Air (2015 or later)
- MacBook Pro (Early 2015 or later)
- Mac mini (2014 or later)
- Mac Pro (late 2013 or later)
Monterey includes dynamic desktops, which change according to time and lighting conditions.
- WebKit code leaks Apple's next OS names as macOS 12, iOS 15 by Malcolm Owen, AppleInsider. 2021-03-29.
- Apple references unreleased iOS 15 and macOS 12 updates in WebKit code by Chance Miller, 9to5Mac. 2021-03-29.
- macOS Monterey introduces powerful features to get more done, Apple Inc. 2021-06-07.
- The best new features in macOS Monterey that you'll actually use by Andrew O'Hara, AppleInsider. 2021-06-17.
- New features available with macOS Monterey., Apple Inc. 2021-06-07. Archived 2021-06-09.
- macOS Monterey is compatible with these Macs; drops support for older Macs, AppleInformed. 2021-06-07.
- macOS Monterey Preview at Apple
- Download the new macOS Monterey Wallpaper at AppleInformed
- macOS Monterey roundup at MacRumors
- macOS Monterey at the BetaWiki
- MacOS Monterey at Wikipedia
- What’s new in macOS Monterey beta 2? Safari tweaks, new screensavers + wallpapers, more by Chance Miller at 9to5Mac (2021-06-28)
- macOS Monterey: Universal control, Shortcuts, Safari, and more by Roman Loyola at Macworld (2021-06-13)
- macOS 12 Monterey new features, release date, beta and compatibility by Alex Wawro at Tom's Guide (2021-06-07)