The two most noticeable things about macOS 27 Golden Gate Yes Updated Siri AI and design changes that make windows and icons more consistent. Siri AI offers the same features and capabilities as in iOS 27, but the Mac gives it access to different contexts — and useful new ways.
In recent years, apps and browsers have tried to learn more about your work and what you need using AI assistants, so they can answer your questions or perform your tasks better. Today, many leading web browsers, except Safari, come with sidebar-based AI assistants that can look at one or more open tabs to provide contextual responses. Apps like Highlights, CaddyAnd Little bird Can also look at your current window, then use that information as context for your query.
The new Siri is similar. You can invoke Siri anywhere on your screen, have it answer questions about what it sees, summarize information, or provide additional details. For example, if you’re looking at an item you want to buy, you can ask Siri to show you the options you’ve chosen as well.
Instead of letting Siri see the whole page, you can also select a part of the page through Apple’s new Visual Intelligence feature. If you press Command + Shift + Space, you can add the currently focused window to your context for AI.
To select a specific section, press Command + Shift + 6 to display the crosshair selection tool. After this, you can directly ask questions or perform image searches. Depending on your selection, you’ll also get shortcuts like “Select,” “Add Contact,” and “Find Location.”

Apple has also improved Spotlight Search on the Mac. You can ask Siri questions directly within Spotlight to get answers from the web, and now you can also select applications, files, actions, and the Clipboard to search within that specific area. In addition, Spotlight now allows you to perform shortcuts or search your past search history.
Since Siri has access to your files, emails, and messages, you can search for a variety of things that you couldn’t before. In the test, I retrieved the member’s ID card without opening my file, asked for details about the upcoming trip, and looked up the forbidden date for the upcoming news in the work. While I don’t find Spotlight as advanced as Raycast’s highly scalable Mac productivity tool, it’s still better than ever.

Siri can now also help you check documents or perform writing tasks. Since the desktop is one of the better pages for writing long messages, I find it more useful on the iPhone. You can do things like select a letter and ask Siri to check it, correct it, or rewrite it. You can also ask Siri to draft something for you within any text box.
Meanwhile, Safari has added AI-powered page tracking, which is useful for tracking things like price drops, privacy policy changes, or new blog posts on web pages when there’s no RSS support. In addition, Safari can automatically organize tabs based on topics, which is useful.

One small but nice new feature is that when you download a file or rename it, the system will suggest a name based on context in the Finder or when you’re saving the document.
In addition to Siri, macOS 27 Golden Gate brings design changes with a new Liquid Glass icon, adjustable sliders for the Liquid Glass design, and a better way to “spread” content when you move windows around.
The company said that app windows have a more consistent corner radius. The sidebar now stretches from edge to edge and has new colorful icons. The new operating system update also focuses on better dynamic windows.
The OS update also adds features such as improved child safety controls, shared cross-platform photo albums, and an updated eraser, better search in email, app resizing for iPhone mirroring and quick tips for adding events to the calendar.
Start todaymacOS 27 Golden Gate is available for MacBook Air and MacBook Pro 2020 models with Apple Silicon or later, iMac with Apple Silicon (2021 or later), Mac Mini (2020 or later), Mac Studio (2022 or later), Mac Pro (2023 or later), and MacBook Neo. Go to System Settings > General > Software Update to get the latest version.
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