macOS

There is no AI here. All content is human-authored and tested for accuracy.

MacOS 27 Golden Gate

macOS 27 Golden Gate was announced at WWDC on June 8, 2026 — public beta in July, final release in fall 2026 (likely September). The macOS 27 release timeline, how to install the beta now, compatibility (Apple Silicon only, no Intel Macs), and whether you should update.

Apple announced macOS 27 Golden Gate at its Worldwide Developers Conference (WWDC) on Monday, June 8, 2026. A developer beta was released the same day, with a public beta to follow in July, and the final public release in the fall, most likely September. This article summarizes what we know so far.

Two things make macOS 27 Golden Gate a notable release. It is the first macOS version that runs only on Apple Silicon (M-series) Macs, dropping support for every Intel Mac. It also brings Siri AI, a conversational assistant, to the Mac. Apple describes macOS 27 Golden Gate as a stability and performance update rather than a redesign, similar in spirit to the old Mac OS X Snow Leopard release.

You're visiting the Mac Install Guide website, a trustworthy source of information to help you set up your Mac.

Before you get started

If you are setting up your Mac for software development, I recommend an upgrade of your terminal. Apple includes the Mac terminal but I prefer Warp Terminal. Warp is an easy-to-use terminal application, with AI assistance to help you learn and remember terminal commands. Download Warp Terminal now; it's FREE and worth a try.

When will macOS 27 be released

Apple follows the same yearly schedule for each macOS release. Here is the timeline for macOS 27 Golden Gate:

  • Announcement at the WWDC keynote: June 8, 2026
  • Developer beta: June 8, 2026, the same day
  • Public beta: around July 2026
  • Final public release: fall 2026, most likely September

Apple announced macOS 27 Golden Gate and released the developer beta on June 8, 2026. The public beta and final release dates follow Apple's usual pattern and are not yet official.

How to get macOS 27 Golden Gate

macOS 27 Golden Gate is not a final release yet. Here is how to get it at each stage:

Should you update to macOS 27?

The developer beta is available now, and a public beta follows in July. You can install the macOS beta, but I recommend a spare Mac, because beta software is not ready for daily work. When the final version ships this fall, Apple Silicon (M-series) Mac users can upgrade to macOS 27 Golden Gate soon after release. Apple's public releases are well tested, so serious problems are rare. If you are new to the process, see how to update macOS.

Take more care if you rely on older apps built for Intel Macs. macOS 27 Golden Gate is the last version to fully support Rosetta 2, the translation layer that runs Intel apps on Apple Silicon. Check that your important apps have native Apple Silicon versions before you depend on macOS 27 for work.

If you have an Intel Mac, macOS 27 is not for you. It runs only on Apple Silicon. Your Mac stays on MacOS Tahoe 26, currently the latest macOS version, which continues to receive security updates for about three more years, before you have to buy a new Mac.

What's significant in macOS 27

MacOS 27 Golden Gate completes two long transitions. It ends the Intel era and makes Apple Silicon the only platform for new macOS versions. It also begins Apple's Siri AI rollout, the conversational Siri that Apple first promised in 2024.

At the same time, Apple refined the Liquid Glass design introduced in macOS Tahoe to address readability complaints, rather than giving it a new look. The aim for macOS 27 Golden Gate is refinement: better performance, more stability, and a clearer interface.

New features in macOS 27 Golden Gate

Apple unveiled these features at the WWDC keynote on June 8, 2026. Some, such as the new Siri AI, roll out over the year rather than at the first release.

A smarter Siri with Siri AI

The biggest change in macOS 27 Golden Gate is Siri AI, Apple's rebuilt assistant. On the Mac you reach it through Spotlight: type a request into Spotlight, and it hands the request to the Siri AI chatbot. This replaces the old "Type to Siri" feature.

Siri AI holds a back-and-forth conversation, so you can ask follow-up questions. It can use your own data, such as Mail and Messages, while keeping that data private. A new "World Knowledge" ability lets it pull answers from the web. Your conversations sync across Mac, iPhone, and iPad.

Siri AI is powered in part by Google Gemini, while Apple keeps its own models for features such as Writing Tools. The new Siri AI features arrive in English later this year, and they are not available in the European Union at first.

A refined Liquid Glass design

Apple introduced the Liquid Glass design in macOS Tahoe, and many users found the transparency and shadows hard to read. macOS 27 Golden Gate refines the look rather than replacing it. Apps now have a unified toolbar at the top, and the sidebar expands to the edge of the window. Apple also added a transparency slider, so you can dial back the glass effect to make text and controls easier to read.

Better performance and stability

Apple compares macOS 27 Golden Gate to Mac OS X Snow Leopard, the 2009 release famous for fixing problems rather than adding features. Apple focused on performance and dozens of underlying technologies, cutting bloat and bugs. The result is a faster, more stable Mac. You will likely feel these gains rather than see them listed as features.

Safari tab groups and website alerts

Safari now groups related tabs automatically, so a cluttered window organizes itself. A new "Notify Me" option watches a web page and tells you when it changes, which is useful for restocks, ticket sales, or status pages.

Accessibility improvements

Apple previewed these accessibility features in May, and they arrive in the macOS 27 Golden Gate cycle:

  • Generated subtitles transcribe spoken audio in any uncaptioned video, on device
  • Accessibility Reader handles complex documents and adds summaries and translation
  • Made for iPhone hearing aids gain more reliable pairing across Apple devices

These features run on device, which keeps your data private.

Smaller changes

Spotlight: Spotlight is now the front door to Siri AI on the Mac. You type a request, and Spotlight recognizes an AI prompt and passes it to Siri.

Parental controls: Apple's ecosystem-wide child-safety controls come to the Mac, so parents can limit access to apps.

Compatibility

macOS 27 Golden Gate runs only on Macs with Apple Silicon (M-series). For the first time, no Intel Mac can run the new macOS version. Apple confirmed this at WWDC 2025 and again when it announced macOS 27 Golden Gate.

To confirm your Mac can run it, check your macOS version and your Mac model:

macOS 27 Golden Gate runs on these Macs:

  • MacBook Neo (2026)
  • MacBook Air with Apple Silicon (2020 and later)
  • MacBook Pro with Apple Silicon (2020 and later)
  • iMac with Apple Silicon (2021 and later)
  • Mac mini with Apple Silicon (2020 and later)
  • Mac Studio (2022 and later)
  • Mac Pro with Apple Silicon (2023 and later)

These four Intel Macs run macOS Tahoe 26 but cannot run macOS 27 Golden Gate:

  • MacBook Pro (16-inch, 2019)
  • MacBook Pro (13-inch, 2020, Four Thunderbolt 3 ports)
  • iMac (Retina 5K, 27-inch, 2020)
  • Mac Pro (2019)

If you have an Intel Mac, stay on macOS Tahoe 26. Apple is expected to provide security updates into 2028.

Rosetta 2 and older apps

macOS 27 Golden Gate is the last version to fully support Rosetta 2, the translation layer that lets Apple Silicon Macs run apps built for Intel Macs. Apple said at WWDC 2025 that Rosetta 2 would stay through this release, then narrow to a small set of older apps. If you use Intel-only apps, ask the developers for native Apple Silicon versions before macOS 28 arrives in 2027.

This will only impact users who are hanging on to an old version of a macOS app.

What users are saying

The final version of macOS 27 Golden Gate ships this fall, so there are no full reviews yet. To follow the beta and early impressions, take a look at these sources:

Continue setting up your Mac

Don't miss the full visual roadmap and checklist that shows how to set up a Mac for software development, with all the essential tools and settings you might not yet know about.