macOS 27 Golden Gate is the latest version of macOS, the software that runs on the Mac. Apple demoed macOS Golden Gate at WWDC, and it's now available to developers and public beta testers ahead of a September launch.
Apple is revisiting Liquid Glass in macOS Golden Gate. There's a Liquid Glass slider for controlling the transparency of Liquid Glass elements, so you can opt for maximum translucency or a tinted version that is more opaque for increased legibility. Apple also updated Liquid Glass opacity so it diffuses complex content more effectively. A darkened edge and brighter highlights offer more depth and separation for the UI, plus changes to window shadows make it easier to tell when a window is active.
Apps now have uniform toolbars to make text headings and controls easier to read, and all windows have the same corner radius for improved consistency. The super rounded corners that people disliked in macOS Tahoe are gone. Sidebars are no longer floating and now extend edge-to-edge, with Apple also bringing back colored sidebar icons. App icons have been updated with more Liquid Glass layers to improve detail and sharpness. Apple is also using HDR for depth and dimension in the macOS Golden Gate interface.
macOS Golden Gate incorporates Siri AI, an overhauled version of Siri that's much smarter and more capable than before. Siri AI uses generative AI models and it performs more like ChatGPT or Claude than the prior version of Siri. Siri can hold full back-and-forth conversations, and it has access to your personal data so it knows more about you and can complete complex tasks. It can search across Mail, Messages, Notes, Reminders, Calendar and other apps to find things for you. Siri has broad world knowledge and can search the web to answer questions for you on any topic, plus it is able to see what's on your screen so you can ask for more information about what you're looking at. Siri can also take action in apps, doing things like drafting emails, adding events to Calendar, and adding Photos to an album.
There is a standalone Siri app where you can talk to Siri, revisit existing conversations, and see a history of your chats. On the Mac, Siri lives in Spotlight. Bringing up Spotlight with the Command + Space shortcut launches the Siri Search or Ask interface. You can type to Siri from Search or Ask, and you'll see a new Siri animation while Siri thinks. Concise Siri responses show up in Spotlight, and you can click for more information or to ask a follow-up question. Files and photos can be uploaded by clicking on the "+" button. On Macs with an M3 chip or newer, you can set a custom voice for Siri, with personalized pace and expressivity. Newer Macs also support improved dictation capabilities with special on-device AI models.
Visual Intelligence expanded to the Mac. You can get to it with a new Command + Shift + Space keyboard command. Once activated, you can select an area of your display that you want to know more about and Siri can answer any questions you have. Siri is integrated into apps with systemwide context menus so you can select text or images and then ask Siri about your selection.
A Write with Siri feature lets Siri generate text from scratch, correct your grammar, or give feedback on your writing. Siri can even write in your own style when composing email and text messages.
The Photos app has AI photo editing tools. Clean Up is better at removing objects from images and filling in missing areas, and there are Reframe and Extend options. Extend lets you change the crop of an image, using AI to generate new fill, while Reframe combines AI and spatial images so you can change the perspective or composition of a photo. iCloud Shared Albums support full-resolution sharing, and friends with Android and Windows devices can contribute images to iCloud albums. There's also a new 30-day expiration option and an option to sync content immediately to iCloud for quicker uploads.
Any set of photos or videos can be played as a slideshow, and you can save a video frame as a photo. Apple added a Captured by Me collection in the Photos app. With the new Selection View, you can review and modify metadata like location for multiple images, and there is support for keywords and star ratings. The Notes app supports more formatting styles, and you can use the trackpad to add handwritten sketches or notes. Copy and paste in Markdown is available, and there are divider lines for richer notes. You can navigate to specific sections in notes with Section Links.
Safari can automatically organize tabs, bookmarks, and Reading List by topic, create custom extensions for you based on natural language prompts, and monitor webpages for changes with Notify Me, letting you know when an update is detected. The Passwords app uses AI to change weak and compromised passwords for you, upgrading them to strong passwords. When saving files or folders, Apple Intelligence will suggest names based on content.
Image Playground was overhauled, and it generates images in any style, including photorealistic. You can create images of people, modify images using descriptions for small changes, and make tweaks with touch gestures. Apple also updated Genmoji to be faster and better quality. Image generation and similar resource-intensive AI features will have daily usage caps with more access tied to paid iCloud+ plans, but Apple's AI features will be otherwise free.
The Shortcuts app can create shortcuts for you based on natural language requests. Just tell it what you want a shortcut to do, and the app will generate it automatically with AI. Calendar and Reminders support natural language for adding and modifying events and tasks. The Maps app uses aerial imagery and Vision Intelligence models for Flyover with sharper, more lifelike detail. The Journal app supports generative writing prompts for writing inspiration.
In the Home app, HomeKit Secure Video supports 4K streaming, and it uses AI to summarize activities from video footage. Multiple notifications are aggregated, and it can stitch together footage from multiple cameras for a complete picture of what's happening. It also supports searching for specific moments.
Mail makes intelligent suggestions for taking action on content with apps, and in Messages, there are AI suggestions for actions you might want to take like inserting a photo or sharing a location. Sending large photos and videos no longer slows text conversations, and there is a send indicator for outgoing messages. Tapback notifications are now consolidated, so you get fewer notifications. Message syncing across devices has improved, eliminating duplicate alerts on Mac.
The Phone app has Call Context, a feature that brings up relevant on-device information you might need when calling a business for help, like a flight number. The Music app has new artist pages and AutoMix has smoother transitions. The Clock app supports setting alarm volume independent of system volume. The Mac Podcasts app now supports video podcasts with full playback controls, Picture in Picture, and download capabilities.
Apple focused on performance improvements across macOS Golden Gate for a faster and smoother experience. Window positioning is more consistent across external displays so apps and spaces move around less, and Apple added more high-resolution and high-refresh-rate display modes. There's a new swipe down to refresh gesture for updating content in Safari, Mail, News, Podcasts, and Calendar.
AirDrop is faster than before, as is network file browsing for network file services like Windows and NAS devices. Images upload quicker to iCloud Photos with prioritized syncing enabled on an iPhone. iPhone apps in iPhone Mirroring can be resized to be larger, and there's expanded Touch Support when using Sidecar to turn an iPad into a Mac display.
To accommodate Siri AI, Apple rebuilt its search foundation with a more comprehensive index that updates more quickly. Search indexing in Mail is more reliable with fewer errors, and the Spotlight search suggestions that come up as you type are more relevant. Shortcuts actions and app intents run more quickly from Spotlight thanks to new indexing.
Apple is updating parental controls and introducing child safety features in macOS Golden Gate. Screen Time has been redesigned, and parents can see the apps and websites children are visiting and make adjustments. Time Allowances let parents set the amount of time children can use app categories like Entertainment, Games, and Social Media, with customizable schedules based on time and day.
Ask to Buy and Ask to Browse require kids to get parental permission for every app download and new website visited in Safari, plus parents can manage contacts and require permission before kids contact someone new. Communication Safety now blocks gore and violence in addition to nudity in Messages and FaceTime.
macOS Golden Gate runs on all Macs with an Apple silicon chip, including the MacBook Neo. It is not available for Intel Macs. Improved dictation and custom Siri voice require an M3 or later chip and at least 12GB RAM. Devices with an M3 or later are also able to handle more Apple Intelligence processing on-device, while older Macs will rely more on cloud processing.

Siri AI is available in English and will expand to other languages in the future. Unlike on the iPhone and iPad, Siri AI is available on the Mac in the European Union, so EU Mac users avoid the Digital Markets Act delay. Siri AI and the new Apple Intelligence features are not available in China.
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Apple made several changes to Liquid Glass and the overall macOS Golden Gate design, and while subtle, some of the changes could make Liquid Glass on Mac easier to digest.
Apple added a full Liquid Glass slider under System Settings > Appearance. It changes the translucency of Liquid Glass elements, and users can choose a clear version of Liquid Glass that allows some of the background to show through, select a more opaque, tinted version that improves the legibility of text, or choose something in between.

Apple changed the overall Liquid Glass opacity, and it now diffuses complex content more effectively. Apple says a darkened edge and brighter specular highlights establish more depth and separation for the UI.
Apps have uniform toolbars to make text headings and groups of controls more legible. Windows also all have the same corner radius for more consistency between apps.
macOS TahoeCorners of apps are not as dramatically rounded in macOS Golden Gate, and the difference is noticeable.
macOS Golden GateIt's easier to tell when a window is active because of the sidebar design, the opacity update, and changes to window shadows.
Sidebars are no longer floating and are instead edge-to-edge. It's a design that's less distracting and more uniform because there's no unnecessary sidebar shadowing that just takes up space.

Sidebar icons have color again, which is something Apple removed in macOS Tahoe.
Apple didn't budge on requiring squircle Mac icons, but it did change icon design. Icons have more layers of Liquid Glass to improve detail and sharpness in light, dark, tinted, and clear icon modes.
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Apple is also using fewer icons for items in drop-down menu lists, and you'll now only see them for some commonly used actions.

Apple is using HDR for depth and dimension in the macOS Golden Gate interface, and there are new macOS Golden Gate wallpaper options. Apple added Golden Gate Sunset and Golden Gate Night options featuring the Golden Gate Bridge in San Francisco, California, along with a version-specific abstract wallpaper. The new wallpapers animate when unlocking the Mac and can be set as screen savers.
Your Mac uses Apple Intelligence to automatically suggest file and folder names based on their content.
Siri AI is the single biggest new feature in macOS Golden Gate. Apple entirely overhauled Siri, adding a dedicated Siri app and making updates that put Siri on par with chatbots like Claude and ChatGPT.

Apple says Siri has understanding and reasoning that weren't available before, with multiple improvements that change how Siri works.
All of the different Siri functions come together to allow Siri to do far more than it could before. You can have full back-and-forth conversations with Siri, and include multiple tasks in a single request.
Apple overhauled its search index, and Siri has access to emails, text messages, files, photos, notes, and more. Siri can find content from across your apps, but it also understands that content. You can ask Siri to surface photos, bring up information from emails or texts, or find files, and the Apple Intelligence semantic index behind the scenes finds what you need.
Siri can search the web for up-to-date information to answer questions about anything, similar to other chatbots. Siri can analyze documents and get information from the web for additional context, help come up with recipes, do party prep, help with homework, give gardening tips, assist with DIY projects, and much more.
Siri knows what's on your Mac's display and can answer questions about it. Siri can tell what you're looking at, read text, and analyze images.
Siri can tell you where a photo was taken if there's something recognizable in it, and you can ask questions about any app you're in without having to provide specifics.
App Actions allow Siri to use tools in apps to complete requests. Siri can use some apps on your behalf, including apps from Apple and third-party apps that have implemented App Actions support.
On Mac, Spotlight has been rebuilt around Search or Ask. It comes up when you use the Spotlight keyboard shortcut (Command + Space), and you can type in anything you need or click on the microphone icon to speak to Siri instead.

The Mac parses what you're asking for and either searches for something on your Mac or refers the question or request to Siri. When Siri is responding, there's a small pill-shaped Siri window that then expands with an answer. You can ask follow-up questions in this interface, upload photos and documents, or get to the full Siri app.

Some responses use rich information cards pulled from apps. If you ask Siri about the weather, you'll see the current weather forecast. If you ask about upcoming calendar events, you'll see them listed in the Calendar app format.
Siri works in any app. You can select text or images, then ask Siri about the selection. If you see an image in Safari you want to know more about, you can right-click and then ask Siri whatever you want about it.

There is a dedicated Siri app where you can start new conversations or revisit past chats you've had with Siri.

The app has a card-style interface with details on your most recent chats across all of your devices. You can also use the search button to find conversations, and there's a pin option for ones you revisit frequently.
The Siri app is cross-platform and content syncs across all of your devices.
In macOS Golden Gate, you can write with Siri anywhere you type with a systemwide Write with Siri feature. Siri can draft documents from scratch, and in Mail and Messages, it can use the same writing style that you normally use.

Siri can give you feedback on your writing if you select your text and ask Siri how it sounds, and as you type in apps, there's automatic proofreading for misspellings and grammar. Siri can also edit, and you just need to describe the change that you want to make to something you've written, such as changing the tone to be more professional.
The Apple Foundation models used for Siri and other Apple Intelligence features are the result of Apple's collaboration with Google. Apple used the technologies behind the Gemini AI models to develop the next generation of Apple Foundation models.
Apple's AI models are integrated into macOS and coordinated with a system orchestrator that can use the Spotlight index and the app toolbox.
The Spotlight index surfaces data from any app that integrates with it, such as Mail, Calendar, and Messages. The app toolbox identifies which app tools might be useful to answer a request.
Apple has a more powerful on-device model for a customizable Siri voice, but it is limited to Macs with an M3 chip or later and at least 12GB of memory.
Apple says its on-device model can understand and generate speech, plus understand text and images. You can tweak expressivity and pace when customizing Siri's voice.
The on-device model also improves accuracy for systemwide dictation thanks to better natural language understanding. Dictation is better at capturing what you're saying, and it makes fewer mistakes with spelling, punctuation, and capitalization.
Apple's Siri features run on-device and on cloud servers using Private Cloud Compute. Apple says data is not accessible to Apple or to third-party companies.
Private Cloud Compute servers have historically all been Apple servers in Apple data centers, but Apple is expanding Private Cloud Compute to run Apple Intelligence workloads on Google Cloud using NVIDIA hardware.
Siri AI is available in iOS 27, iPadOS 27, macOS Golden Gate, visionOS 27, and watchOS 27, so you can start a Siri request on one device and revisit it on another device.
The Siri app is available on most of Apple's software platforms. Siri AI features are also available when using CarPlay and AirPods.
Siri AI requires a device that supports Apple Intelligence, which includes any Mac with an M-series chip and the MacBook Neo. All Macs that can run macOS Golden Gate support Siri AI since Apple dropped support for Intel machines.
Siri AI works in English (Australia, Canada, Ireland, India, New Zealand, South Africa, UK, U.S.), and will expand to more languages in the future. While Siri AI is not available on iPhone and iPad in the European Union, Mac users in Europe do have access.
macOS Golden Gate brings Visual Intelligence to the Mac for the first time, and it mirrors the capabilities available on the iPhone.

Visual Intelligence on the Mac works when you press Command + Shift + Space or Command + Shift + 6 to capture one area of the display. If you press Command + Shift + 5 (also used for recording your display and capturing screenshots), you can click on the Visual Intelligence icon to get an adjustable selection square for selecting an area of the screen.
Siri can search for images, summarize, translate, identify objects, add information from the screen to apps like Calendar or Reminders, answer questions about what you're looking at, and more. Visual Intelligence on Mac has all of the same features as Visual Intelligence on iPhone, and it includes the new Visual Intelligence features like telling you nutritional information for food or splitting out a bill.
Visual Intelligence can read laundry labels and give you clear instructions, look up items and find reviews on the web, identify odd devices or cables and tell you what they're for, scale recipes, read ingredient lists for you to check for allergens, transcribe messy written notes or lists into text, decipher confusing parking signs, offer plant care advice, solve math problems on a worksheet, and whatever else you can think to ask AI to do.
Visual Intelligence has a long list of things it can be used for, and these options have been available in earlier versions of iOS.
Most of Apple's apps were updated with new features that are available across the iPhone, iPad, and Mac. Some of what's new requires a device capable of Apple Intelligence, but that's all Macs that run Golden Gate.
There are new and updated Apple Intelligence tools in the Photos app, which you can get to through the editing interface.
Clean Up uses new AI models, and it's better at removing objects. The original version of Clean Up was best for small items with little complexity in the surrounding area, but now it is able to do more work reconstructing backgrounds with generative AI.
There are now three options for object removal. Fast is the quicker option and can still be used for simple edits, while High Quality works better for more detailed scenes. Auto lets the Photos app decide which option is best.
Extend lets you change the crop of an image, expanding the borders around content to zoom out a bit or change the photo's composition. It uses generative AI to fill in missing areas, and you can adjust the borders with drag gestures.
Reframe can change the perspective of the photo, making adjustments to the angle of a person or object. It draws on the spatial information captured when a photo is taken, and combines it with AI to change the angle of the camera in post-processing. The spatial data is used for adjusting the subject of the image, and then AI fills in any pixels that are missing.
Safari uses Apple Intelligence to organize your open tabs into relevant topics, grouping like concepts together to make it easier to browse your open tabs. If you're searching for a new couch while also planning a weekend trip, websites that you open for each topic are grouped together.

This Safari tab interface lets you see all of the groups and filter by topic so you can open just the related tabs.
There is a new "Resume Browsing" section of the Start Page that lets you continue browsing topics you recently closed or topics you have open on other devices.
You can use AI to create Safari Extensions in macOS Golden Gate with Apple's new Create an Extension option.

In the Safari settings accessible from the left of the URL bar, clicking Create an Extension brings you to an interface where you can type in whatever you want an extension to do. Apple also includes suggestions in categories that include Boost Productivity, Improve Focus, Get Creative, and Develop and Design. Some of Apple's extension suggestions:
Safari can monitor a website for changes and alert you when new information is detected. Apple says it's useful for monitoring when concert tickets go on sale or watching for a product to be restocked.

To use it, navigate to a website, then click on the settings icon to the left of the URL bar, and choose the Notify Me option. You can type in what you want Safari to watch for and set a frequency and a time.
At most, Safari will check websites once per day at a set time, with weekly and monthly checks also available.
Apple says Safari's power efficiency has improved, so it will drain less battery. Web apps and start page content load faster, JavaScript handling is faster, and animations and graphics are smoother.
macOS Golden Gate has an overhauled search system that extends to the Mail app. Instead of surfacing results based on keywords and recency, the Mail app search ranks results by relevance and intent.

If you search for "Sprouts" because you want to find a recent order, it'll show your order before it shows marketing emails you might have from the same retailer.
Smart Replies that your Mac suggests to you are now tuned to your writing style, which means suggestions sound like things you might actually type. The contextual suggestions that you see at the top of the Mail app are now available to third-party apps, plus Apple has revamped the design.
An email that includes a flight time or a restaurant reservation has a button for adding it to the Calendar app. An email with directions may let you see the route in Maps, and emails with tracking information can be tracked with the Wallet app.
Messages consolidates notifications for Tapback responses, which is useful when you're in a group thread and tons of people are sending emojis, and when a message fails to send, your device will retry sending it.
The Messages app also supports continuous sending of photos, videos, and texts. If you're sending someone a photo and your connection is poor or you go offline, it resumes sending when the connection is restored.
Cross-device syncing is improved, so conversations will sync more reliably across the iPhone, iPad, Mac, Apple Watch, and Vision Pro. Fewer messages will fail to sync and display properly when you switch between devices. Messages, read states, reactions, and attachments sync faster.
Apple revamped Genmoji creation. There's an updated interface for describing an emoji that you want, with options to start from an existing emoji, choose an image from Photos, or select a person.

After uploading an image or using a text phrase to create a Genmoji, there's a new "Describe a change" interface for making updates to what you've already created. You can iterate on designs and change individual elements of a Genmoji, tweaking colors and objects. Each change uses the old base instead of regenerating a new Genmoji.
With a series of requests, it is possible to make a complicated, multi-element Genmoji. Along with describing changes, you can add in additional emoji, and the interface makes suggestions on what to do next.
Genmoji output is more consistent, and Genmoji look more like real emoji with a 3D, cartoonish style by default. There is now an option to change style, so if you don't want the cartoonish look, you can ask for something else like a drawing or a sketch.
The Apple Music app has new artist pages with improved art and motion to make them come alive. Apple also improved AutoMix, and it includes transitions that Apple says "feel more immersive and engaging."
The Image Playground app can now be used to make images in any style, including photorealistic. If you have a photo of a friend and want to add a hat or an accessory that looks real, you can do so with Image Playground. You can select specific areas in an image to modify and make AI edits using natural language, plus there's an option to combine images.

Image Playground can be used for free, but there will be daily caps, with extra usage available through iCloud+ plans.
The Shortcuts app is a lot easier to use in macOS Golden Gate thanks to Apple Intelligence. Shortcuts can be created using natural language, and they're more accessible to the average person.

With Describe a Shortcut, when you click on the New Shortcut button in the Shortcuts app, it opens to the description interface.
There's a text box that asks you what you want your shortcut to do, and you can describe what you need in natural language. You can start with a single step, or add in multiple parameters. Apple Intelligence selects the correct actions, creates the automations, and folds it all into a completed shortcut. A few examples of what you can do:
Shortcuts and automations can run based on time of day, location, an app action, a system feature like a screenshot, an incoming notification, and more. Shortcuts can do all kinds of things, from accessing system features to opening and running apps.
After describing a shortcut, the app will outline each of the actions the shortcut will perform. If it's what you want, you can click on the play button to test it. It will be added to your personal shortcuts.
If it's not quite what you want or you want to add more features, you can use the "Describe a change" interface. You can type in what you want to tweak, and go through multiple rounds of refinement until you get exactly what you want.
Once created, you can click into a manual editing interface if you want to add more complicated actions or tweak without using Apple Intelligence. AI Shortcuts is in beta and it's not always perfect, so sometimes manual edits are required to get the end result you want. You can also open any shortcut and use the Apple Intelligence mode to make edits.
Supported languages include English, Danish, Dutch, French, German, Italian, Norwegian, Portuguese, Spanish, Swedish, Turkish, Vietnamese, Chinese (simplified and traditional), Japanese, and Korean.
The Home app generates written summaries for motion alerts and what's detected, using AI to determine what's been recorded. It can recognize people, animals, vehicles, packages, and general motion, giving a summary of what's happening even if you're not looking at the video footage.
It is intelligent enough to give detail, so you'll see alerts like "a person walked through the room," "two people were in the room," "a dog sat on the floor," or "a cat played in the room."
Along with analyzing footage, the Home app can now group footage from separate cameras capturing the same event. If a person walks by one camera and continues on to another, the Home app knows those two events are related. During video playback, you can see relevant footage from multiple cameras with a summary of something that happened across the entire home.
The Apple Intelligence Home features require a 2TB iCloud+ plan or higher.
Apple added a custom EQ feature for the AirPods in macOS Golden Gate. There are options for adjusting lows, mids, and highs. Custom EQ is available for AirPods with an H2 chip, which includes the AirPods Pro 2, AirPods Pro 3, AirPods 4, and AirPods Max 2.
Siri AI also works on the AirPods through a connected device. When you're wearing AirPods, you can ask Siri AI questions and make requests. Siri AI isn't a standalone feature on the AirPods, and it requires an Apple device that supports it.
There are new child safety features in macOS Golden Gate, iOS 27, and iPadOS 27. Parents can select the apps a child can access, choosing a few essential apps, a curated set, or the apps that are appropriate for the individual child.

Apps can be added over time, and kids can get parental approval to download apps with Ask to Buy. A new Ask to Browse option lets parents approve each new website a child visits.
There are tools for managing who children can communicate with using Messages, FaceTime, and Phone, and parents can enable a setting that will require children to get permission before connecting with a new contact.
Communication Safety is being updated to blur gore and violence in Messages and FaceTime calls by default for users under 18. As with nudity, it will automatically blur content when gore or violence is detected in images and videos.
With Time Allowances, parents can manage the time that children spend in apps in the Entertainment, Games, and Social Media categories. Parents can set a limit based on the child's age, with suggestions from the latest expert guidance. Daily Schedules let parents limit which apps children can access and when based on time of day and day of the week.
Screen Time now gives parents an at-a-glance view of their kids' device usage and most used apps, with options to make adjustments to access in the moment. Parents are able to quickly limit access during meals, outdoor play, and other times that "deserve full attention," according to Apple.
Apple has a dedicated Child Safety website where parents can learn more about the tools available in iOS 27, iPadOS 27, and macOS Golden Gate.
macOS Tahoe is the last version of macOS that will run on Intel-based Macs. Machines with Intel chips will not be able to be upgraded to macOS Golden Gate Apple is also starting to phase out Rosetta 2 support, and macOS Golden Gate will be the last version of macOS that fully supports Rosetta 2.
Rosetta 2 lets Macs with Apple silicon (Arm architecture) run apps that were built for Macs with an Intel processor (x86 architecture), by translating code.
macOS Golden Gate will run on Macs that have an Apple silicon chip, which includes the M1 and later.
New versions of iOS, macOS, and Apple's other software platforms were previewed at WWDC in June. Developers and public beta testers have access to the macOS Golden Gate beta right now and can try out all the new features. macOS Golden Gate will launch to the public in September.
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