Mentions let you direct a message to an individual in a group conversation.Pinned conversations keep up to nine of your favourite threads at the top of the list.Safari privacy prompts for extensions let you choose when a website can work with an extension.Safari password monitoring securely screens saved passwords for any that may have been involved in a data breach.Privacy Report gives you visibility into how Safari keeps your browsing your business, with an overview of trackers blocked by Intelligent Tracking Prevention.Translation (beta) for English, Spanish, Simplified Chinese, French, German, Russian or Brazilian Portuguese.New tab design featuring favicons in tabs, and website previews that appear when you hover over a tab.Expanded extensions support and new dedicated category in the App Store for discovering new extensions.Customisable new start page lets you set a background image and decide what appears, including Reading List, iCloud Tabs, Privacy Report and more.World's fastest desktop browser with industry-leading performance and energy efficiency*.

Support for widgets from third-party apps.

Edit view lets you add new widgets and customise their size.

Beautiful new data-rich widgets for Calendar, Clock, Notes, Photos, Podcasts, Reminders, Screen Time, Stocks and Weather.

Interactive notifications display additional information and actions when you expand them.

Updated Notification Centre brings notifications and widgets together in one view.

Support for pinning favourite menus from Control Centre to the menu bar.

Additional controls appear when you click to expand Control Centre menus.

Control Centre puts your favourite menus and controls in one handy place in the menu bar so you can quickly adjust settings as you work.

Refreshed system sounds include the boot chime and sounds for transferring files, moving items to the Bin, locking files and more.

Updated menu bar features wider spacing and a new translucent material that becomes more vibrant when you interact with it.New design for apps makes it easier to focus on your content and take action with space-efficient toolbars and full-height sidebars.And get even more transparency around your privacy. Discover new features for Maps and Messages. Experience Mac to the fullest with a refined new design. MacOS Big Sur elevates the most advanced desktop operating system in the world to a new level of power and beauty.

Imac operating system