Industry-Leading Privacy

Privacy is at the core of the Mac experience, and macOS Big Sur offers users even more transparency and control over their data. Inspired by the convenience and readability of food nutrition labels, new privacy information detailed in the Mac App Store will help users understand the privacy practices of apps before downloading them, including the types of data the apps might collect — such as usage, contact information, or location — and whether that data is shared with third parties for tracking.

World-Class Developer Tools

Apple’s developer community of more than 20 million use the Mac to create amazing experiences for iOS, iPadOS, macOS, watchOS, and tvOS. Xcode 12 makes developing great apps for macOS easier than ever. SwiftUI gets a major upgrade so that developers can write entire apps with shared code across all Apple platforms, while easily adding custom Mac features like Preferences windows. And SwiftUI is used in even more places, powering the new widgets for Mac, iPhone, and iPad using shared Swift code.

Mac Catalyst, which debuted with macOS Catalina last year, has made it easy for developers to bring their iPad apps to the Mac. And in macOS Big Sur, Mac Catalyst apps automatically inherit the new look, while giving developers powerful new APIs and total control over the look and behavior of their apps.

Developers can now also offer Family Sharing for their in-app purchases and subscriptions, and with support for the WebExtensions API, developers can easily bring extensions built for other browsers over to Safari.



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