macOS 27 Golden Gate adds a Liquid Glass appearance slider

macOS 27 Golden Gate introduces a Liquid Glass appearance slider that ranges from more transparent to more opaque. The system defaults to a medium setting, and the option is available in System Settings > Appearance and during initial setup.

• The slider changes the look of the Dock, widgets, sidebars and toolbars
• macOS 27 Golden Gate defaults to a medium Liquid Glass setting
• The setting lives in System Settings > Appearance with a live preview
• A single slider controls Liquid Glass across the whole system