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Apple today seeded a second macOS Big Sur 11.0.1 release candidate to developers for testing purposes, with the new RC coming one week after the first macOS Big Sur RC was released.

macos-big-sur-desktop.jpg

The macOS Big Sur beta can be downloaded through the Apple Developer Center and once the appropriate profile is installed, subsequent betas will be available through the Software Update mechanism in System Preferences.

macOS Big Sur introduces a refreshed design to the Mac operating system, overhauling the entire look from the curvature of the window corners to the dock icons to the system sounds. Everything features a lighter and more modern appearance. There's a new customizable Control Center that mirrors the Control Center on iOS devices, putting key system controls right at your fingertips.

The Notification Center has been redesigned with iOS-style widgets that are available in multiple sizes, plus there are more interactive notifications that are now grouped by app to make it easier to see what's going on. Safari is faster and more battery efficient, plus there's a new start page that can be customized with wallpapers and sections that include Reading List and iCloud Tabs, which makes Safari more tailored to your individual usage needs.

Tabs now support webpage previews, there's a built-in language translation feature, Chrome and Firefox Extensions can be ported to Safari, and YouTube supports 4K video playback. There's also an option to choose which sites an extension works with for greater privacy. Speaking of privacy, a new Privacy Report feature lets users know the trackers Safari is blocking when you visit websites.

Messages has been brought in line with the Messages app on iOS with support for pinned conversations, mentions, inline replies, and Memoji creation, plus the built-in search feature has been overhauled to make it easier to find links, photos, and conversations in the app.

Apple redesigned the Maps app to add support for Look Around, indoor maps, and Guides, which are lists of notable attractions, restaurants, and more created by trusted sources. Maps can also be used to generate directions for cycling routes and electric vehicle trips that can be sent to iPhone, and shared ETA updates are now viewable on the Mac.

For more on everything that's new in macOS Big Sur, make sure to check out our roundup. macOS Big Sur will see a public launch on Thursday, November 12.

Article Link: Apple Seeds Second macOS Big Sur 11.0.1 Release Candidate to Developers
 
If I upgrade to RC2 and they release RC3 or 'GM' will it just be a simple update or will I have to delete and reinstall?
 
RC2 seems to have removed the name "beta".

It will be interesting to see which of the earliest "RC's" or betas behave like a GM in the sense that they can be updated with the first publicly released point release via a delta update rather than full installer.

So for example can RC1 be updated to macos 11.1 whereas beta 10 can't? I think that will be the case. I don't think it will be RC2 or future RC's.

In any case the public release could well have a different build to the last RC. It has happened before.
 
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