Apple seeds macOS Big Sur Beta 2 to developers

Apple has today released macOS Big Sur Beta 2 to registered developers two weeks after Apple’s 31st World Wide Developers Conference where Apple announced a wide range of new Software Updates and Developer Tools following which they released the first developer betas of iOS 14, iPadOS 14, tvOS 14, watchOS 7, and macOS Big Sur.

The build number for the second Developer Beta of macOS Big Sur is 20A4300b. According to Apple, this beta update has bug fixes and improvements to macOS Big Sur. There are no new changes in this update which have been discovered yet but there are a ton of bug fixes mentioned in the release notes of macOS Big Sur Beta 2. If we discover any new changes on this beta, we will keep you updated with all the macOS Big Sur news on

To install this update, you need a compatible Mac with Apple’s Developer Profile installed. macOS Big Sur supports: MacBook Air (2013 or later), MacBook (2015 or later), MacBook Pro (Late 2013 or later), Mac Mini (2014 or later), iMac (2014 or later), iMac Pro (2017 or later – all models), and the Mac Pro (2013 or later). You can install macOS Big Sur Beta 2 through System Preferences on your Mac.

Along with macOS Big Sur Beta 2, Apple has also released Xcode 12 Beta 2 (12A6163b) and Xcode 12 for macOS Universal Apps Beta 2 (12A8161k).

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Pururaj Dutta
Author: Pururaj Dutta

Vice President of Redfruit Media

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