macOS 27 Golden Gate introduces over 75 new features. Here are the top highlights covered in the video:

System & Interface Enhancements:

• Menu Bar: A new arrow icon automatically hides overflow toggles (0:11).
• Liquid Glass: Customization settings in Appearance allow you to adjust the transparency of windows and menus (3:12). You can also enable Show Borders in Accessibility for more definition (3:43).
• Visual Intelligence: By pressing Command+Shift+6, you can trigger an AI-based analysis of selected screen areas to ask Siri questions about content (14:24).
• Widgets: New extra-large (XL) portrait widget options are available for the desktop (11:53).

Siri & Search:

• Search or Ask: The new Spotlight interface (Command+Space) integrates Siri AI for answering complex questions and searching personal context like messages or photos (1:11–1:31).
• Customization: Siri has a dedicated app and expanded voice, pace, and conversation history settings (13:21).

Productivity & Apps:

• Finder: New Suggest file names toggle uses AI to rename files based on image content (0:34).
• QuickTime: You can now natively record system audio (4:18).
• Notes: Drawing support is now available using the markup tool (6:12).
• Mail: Personalize smart replies offers context-aware response suggestions based on your history (6:49).
• Safari: Includes a swipe-to-refresh gesture (6:30), automatic organization of related tabs (7:26), custom extensions created via natural language (8:10), and a Notify me feature for website updates (9:32).
• Photos: Enhanced editing tools like cleanup, extend, and reframe with precise adjustments (10:56).
• Calendar & Reminders: Now support natural language input for creating events (10:24).
• iPhone Mirroring: The mirror window can now be resized to be significantly larger than before (2:35).

• Adjust the Liquid Glass Slider: Head into your appearance settings to modify the transparency and visual intensity of the controversial Liquid Glass design language. [2, 3]
• Toggle the New Wallpaper Animations: Test out the dynamic default wallpapers like Golden Gate Sunset or Golden Gate Night, which smoothly animate when your Mac locks and unlocks. [3]
• Check Out the Uniform Toolbars: Open native apps like Music or Maps to notice the unified corner radiuses, edge-to-edge sidebars, and darkened glass highlights built for better legibility. [3]

• Trigger Siri via Spotlight: Tap the familiar Command + Space shortcut to experience the redesigned Siri, which can now perform complex actions across your photos, emails, and messages. [4, 5]
• Activate Visual Intelligence: Press Command + Option + Space to capture active windows instantly and ask Siri troubleshooting questions about your exact on-screen layout (e.g., in Photoshop). [6]
• Use System-wide “Write with Siri”: Highlight text inside text editors or word processors to leverage the updated deep writing tools that go well beyond previous Apple Intelligence limits. [7]

• Enable Suggested File Names in Finder: Turn on “suggest file names” inside Finder settings to get auto-generated, context-aware naming suggestions based on what is actually inside your documents.
• Hide Menu Bar Clutter: If you have an abundance of menu bar utilities, click the new arrow icon next to the MacBook notch to automatically hide or reveal excess toggles.
• Try Plain English Calendar Events: Open the Calendar app and type a natural sentence like “Lunch with Sarah at noon on Friday” to watch the system instantly populate details into the correct slots.
• Utilise Message Quick Actions: Look for automated in-line buttons inside Messages that allow you to seamlessly turn texts into reminders or calendar appointments with a single click. [1, 8]

• Switch to Compact Tab Layout: Swap to the new single-row layout option in Safari 27.0 for a cleaner, unified viewing experience.
• Set Up Website “Notify Me”: Use Safari’s tracker feature to get pinged about website changes, such as price drops on products you are watching.
• Launch Image Playground: Explore the system’s dedicated playground app to experiment with generating stylized visuals natively on your machine. [2, 9]

• Experiment with the Reframe & Extend Tools: Open a photo, click Edit, and use the Private Cloud Compute-powered Extend tool to realistically fill out a border, or use Reframe to adjust the apparent camera angle.
• Test Shared Albums with Android/Windows Users: Set up an iCloud Shared Album to check out the smoother contribution pipeline built for non-Mac users. [2, 8, 10]