macOS Version List: Latest Version, Compatibility & Upgrade Guide

16Sep

Last updated: September 2026. We update this guide after major macOS releases and compatibility changes.

macOS 27 Golden Gate is the latest version of macOS. Before upgrading, check whether your Mac is supported, whether your essential apps and peripherals are ready, and whether you have a verified backup.

This guide lists every major macOS release, explains which versions still matter, and helps you decide whether Golden Gate is the right update for your Mac.

macOS at a glance

Question	Answer
Latest major version	macOS 27 Golden Gate
Released	September 14, 2026
Compatible with	Apple-silicon Macs
Intel Macs	Not supported by macOS 27
Final major version for Intel Macs	macOS 26 Tahoe
Rosetta	Supported through macOS 27 for Intel Mac apps
macOS 28	Rosetta limited to certain older games

Two macOS compatibility cliffs to know

macOS 26 and macOS 27 create two different compatibility boundaries.

macOS 26 Tahoe: final major macOS release that supports Intel Mac hardware.

macOS 27 Golden Gate: final major release with general Rosetta support for Intel-based Mac apps on Apple-silicon Macs.

This means an Intel Mac owner and an Apple-silicon Mac owner face different upgrade questions. Intel users are deciding how long to remain on Tahoe; Apple-silicon users may need to identify Intel-only apps before eventually moving beyond macOS 27.

macOS 27 compatibility by Mac model

Mac	macOS 27
MacBook Air	Apple silicon, 2020 and later
MacBook Pro	Apple silicon, 2020 and later
MacBook Neo	2026
iMac	Apple silicon, 2021 and later
Mac mini	Apple silicon, 2020 and later
Mac Studio	2022 and later
Mac Pro	2023

Should you upgrade to macOS 27 Golden Gate?

Your situation	Recommendation	Why
You have a supported Apple-silicon Mac, current backups, and no critical legacy tools	Upgrade after checking essential apps	You can benefit from the current OS while keeping risk manageable
Your work depends on specialist plug-ins, audio/video tools, VPNs, endpoint security, backup utilities, or old peripherals	Wait until core tools are confirmed compatible	These categories often need post-release updates or deeper testing
You use a Mac for ordinary browsing, documents, communication, and mainstream apps	Upgrade, but back up first	The risk is typically lower once you have recovery options
You have limited free storage or an unstable current installation	Prepare first—do not use an OS upgrade as the first “repair” step	Resolve storage, backup, and underlying stability issues before updating
You expect to need your existing setup unchanged for important work this week	Delay until you have a maintenance window	Major upgrades can introduce compatibility or workflow friction
You use an Intel Mac	Do not plan on upgrading to macOS 27	macOS 27 requires Apple silicon; Intel-based Macs cannot upgrade to Golden Gate

Upgrade now if

Your Mac is supported.
Your key applications are current and verified.
You have a recent, verified backup.
You have enough free storage.
You can tolerate a day or two of small workflow fixes.

Wait if

A menu-bar utility, VPN, backup tool, plug-in, driver, or other critical app you depend on has not yet confirmed macOS 27 support.
Your work Mac is centrally managed.
You cannot afford downtime this week.
You have not confirmed that your backup can restore the files you need.

Back up before upgrading

Complete a Time Machine backup or an equivalent verified Mac backup.
Confirm that your important folders are actually included.
Keep your recovery key/password information accessible.
Ensure cloud sync has completed—but explain that sync is not a full backup.
Save installers, license details, and critical application settings when relevant.

Full macOS version timeline

Here’s the complete timeline of recent macOS versions, with their release years and highlights:

Version / Codename	Release Date	Notable Features
macOS 27 Golden Gate	Sep 2026	Apple-silicon-only macOS support; Siri AI, Visual Intelligence, and Apple Intelligence updates; macOS 27 is the final release with general Rosetta support for Intel Mac apps.
macOS 26 Tahoe	Sep 2025	Liquid Glass UI, Apple Intelligence upgrades, Live Activities, last Intel-supported macOS.
macOS 15 Sequoia	Sep 2024	iPhone Mirroring, updated AI features, improved Continuity.
macOS 14 Sonoma	Sep 2023	Desktop widgets, Game Mode, Presenter Overlay.
macOS 13 Ventura	Oct 2022	Stage Manager, Continuity Camera, Freeform app.
macOS 12 Monterey	Oct 2021	Universal Control, AirPlay to Mac, Shortcuts app debut.
macOS 11 Big Sur	Nov 2020	Major design refresh, Control Center, first Apple silicon support.
macOS 10.15 Catalina	Oct 2019	Dropped 32-bit apps, Sidecar, Apple Arcade.
macOS 10.14 Mojave	Sep 2018	Dark Mode, Dynamic Desktop, Desktop Stacks.
macOS 10.13 High Sierra	Sep 2017	APFS file system, HEVC/HEIF support, VR improvements.
macOS 10.12 Sierra	Sep 2016	Siri on Mac, Auto Unlock with Apple Watch, Apple Pay on the web.
OS X 10.11 El Capitan	Sep 2015	Split View multitasking, Metal graphics, improved Notes.
OS X 10.10 Yosemite	Oct 2014	Flat design overhaul, Continuity & Handoff, iCloud Drive.
OS X 10.9 Mavericks	Oct 2013	First free OS X update, Finder Tabs, iBooks, Maps.
OS X 10.8 Mountain Lion	Jul 2012	Notification Center, Messages, Game Center.
OS X 10.7 Lion	Jul 2011	Launchpad, Mission Control, full-screen apps.
OS X 10.6 Snow Leopard	Aug 2009	Performance-focused, 64-bit support, Grand Central Dispatch.
OS X 10.5 Leopard	Oct 2007	Time Machine, Spaces, Boot Camp.
OS X 10.4 Tiger	Apr 2005	Spotlight search, Dashboard widgets, Automator.
OS X 10.3 Panther	Oct 2003	Exposé, FileVault, Fast User Switching.
OS X 10.2 Jaguar	Aug 2002	Quartz Extreme graphics, Address Book, iChat.
OS X 10.1 Puma	Sep 2001	Performance and usability improvements.
OS X 10.0 Cheetah	Mar 2001	First release of Mac OS X with Aqua interface.

How macOS evolved

Early foundation years (2001–2009)

From Cheetah through Snow Leopard, macOS was about building a modern operating system from the ground up. Apple transitioned from classic Mac OS to a Unix-based architecture, introduced the Aqua interface, and steadily improved performance, reliability, and hardware support. These releases were less about features and more about making the system viable.

Snow Leopard focused heavily on performance, efficiency, and system refinement rather than introducing a large set of new user-facing features.

iOS influence takes hold (2011–2019)

During the 2010s, OS X increasingly adopted ideas and technologies associated with Apple’s mobile platforms, including the Mac App Store, Launchpad, full-screen apps, sandboxing, and tighter permissions.

Mojave introduced Dark Mode, which quickly became a default for many users. Catalina was the real turning point. By dropping 32-bit app support, it broke a large amount of legacy software overnight. Even today, apps and workflows shaped by that decision reflect Catalina as a hard compatibility boundary in the macOS timeline.

Apple silicon and system integration (2020–present)

Big Sur marked a reset. Apple redesigned the interface, moved from version 10.x to 11, and aligned macOS with the transition to Apple Silicon. From this point on, macOS became more tightly coupled with hardware, security architecture, and cross-device features.

Recent releases continued that direction:

Ventura refined multitasking and system tools
Sonoma improved the desktop experience and widgets
Sequoia extended continuity and platform features
Tahoe 26 delivered a Liquid Glass redesign, Apple Intelligence, and ended Intel Mac support

macOS 27 Golden Gate, released September 14, 2026, is the first major version of macOS that requires Apple silicon. It continues Apple’s move toward a more tightly integrated platform, where macOS features, hardware capabilities, privacy protections, and cross-device services are increasingly connected.

Siri AI, deeper Apple Intelligence integration, and Visual Intelligence are among Golden Gate’s most visible changes. For Mac power users, the more important question is whether those additions—and other system refinements—change the apps, automations, and workflows they still need.

macOS 27 is the final major macOS release with general Rosetta support for Intel-based Mac apps. Starting with macOS 28, Rosetta will remain only for certain older, unmaintained games that rely on Intel-based frameworks. If you still rely on Intel-only apps, plug-ins, or add-ons, check for Apple-silicon versions before moving beyond macOS 27.

Which macOS versions still matter

Not every macOS release has the same relevance today. The versions that matter most are the ones that affect the Mac you own, the apps you rely on, and the security updates you can still receive.

macOS 27 Golden Gate

The current major release for supported Apple-silicon Macs. Consider it after checking essential apps, peripherals, available storage, and your backup plan.

macOS 26 Tahoe

The final major macOS release for Intel Macs and the most relevant current alternative for users who are not ready to move to Golden Gate.

macOS 15 Sequoia, Sonoma, and Ventura

These versions remain relevant for Macs and workflows that cannot move to the newest release yet. Before staying on an older version, check whether the apps you need still support it and keep all available security updates installed.

How macOS updates work today

Apple now delivers macOS through major annual releases plus smaller updates throughout the year.

Today’s system includes:

Major annual releases
Frequent point updates (e.g., 27.1 and 27.2)
Security and system-level patches
Firmware and recovery-related updates

Recent releases show that even minor updates can include broad fixes, security changes, and system adjustments—not just small bug patches.

For major upgrades, compatibility checks and a reliable backup are still worth doing before installation.

Can you run multiple macOS versions on one Mac?

Yes—but it requires planning.

You can run multiple versions by:

creating separate APFS volumes
installing macOS on external drives
using virtualization tools

This setup is useful for testing apps, maintaining legacy workflows, or keeping a stable environment alongside a newer system.

That said, complexity increases quickly. Storage planning, backups, and boot management all become important.

More FAQs

What is the latest macOS version?

The latest major release is macOS 27 Golden Gate, released on September 14, 2026. Apple also releases smaller updates throughout the year, so the latest installed version may have a higher version number such as 27.1 or 27.2.

How do we check which macOS is installed?

Open the Apple menu and choose About This Mac to see the version. On macOS 27, you can also go to Settings → General → About for more detail, including a dedicated Intel-Based Apps screen that lists any apps still requiring Rosetta to run.

Which macOS version is best for older Macs?

macOS 27 Golden Gate requires Apple silicon, so Intel Macs cannot install it. macOS 26 Tahoe is the final major macOS release for Intel Macs. Keep Tahoe and its supported apps fully updated, maintain a verified backup, and Apple says it will continue providing software security updates for Intel-based Mac computers for three years. Even so, Intel Mac owners should treat Tahoe as a transition point and begin planning for eventual migration to Apple silicon.

How often does Apple release new macOS versions?

Apple releases one major macOS version each year, typically in the fall. Point updates such as 27.1 and 27.2 follow throughout the year with bug fixes, security patches, and occasional feature additions.

Is it safe to upgrade to macOS 27 Golden Gate right away?

For many Apple-silicon Mac users, upgrading can be reasonable once essential apps, peripherals, and backups are checked. But a major macOS release can still expose compatibility problems, so wait if your work depends on unverified plug-ins, menu-bar utilities, VPN clients, security software, drivers, or backup tools.

Can we downgrade macOS after upgrading?

Not easily. Downgrading to an older major macOS version on Apple-silicon Macs generally requires erasing the startup disk and reinstalling the older system. You also need a compatible installer and a backup from which you can restore your data and apps.

What is the best macOS version?

The best macOS version is usually the newest one your specific Mac supports without disrupting software, peripherals, or workflows you depend on.

For a supported Apple-silicon Mac, macOS 27 Golden Gate is the current major release and the version that will receive new platform features. Upgrade after verifying your essential apps, external devices, storage, and backup plan.

For an Intel Mac, macOS 26 Tahoe is the final major macOS release available. Keep it updated while Apple provides applicable security updates, maintain dependable backups, and make a longer-term migration plan.

If a newer release causes a confirmed problem with a critical tool, an older compatible macOS version may be the better short-term choice. Do not downgrade simply because an older release is thought to be “faster”; identify and test the specific compatibility or stability issue first.

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macOS Version List: Latest Version, Compatibility & Upgrade Guide

macOS at a glance

macOS 27 compatibility by Mac model