Apple may disable Rosetta 2 on Mac M1 in some regions, macOS 11.3 code suggests



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Much like the original Rosetta technology, Rosetta 2 allows users to run macOS apps from one platform to another – this time translating Intel apps to the ARM architecture of the M1 chip. While I don’t expect Rosetta to go away anytime soon, Apple may turn it off in some areas, as macOS 11.3 beta codes suggest.

IOS Developer and MacRumors Contributor Steve Moser just shared on Twitter what he found in the third beta of macOS Big Sur 11.3, which released for developers today. Apple has included new code in the Rosetta API that mentions the removal of this feature in some regions.

“Rosetta will be removed when installing this update,” the code reads. Another channel states that Rosetta 2 is in the process of being phased out from Mac M1s in certain specific regions.

Rosetta is no longer available in your area. Applications requiring Rosetta will no longer work.

At least for now, it doesn’t appear that Apple has disabled Rosetta 2 in any region, and there is still no evidence of when, or if, the company will actually do so. The message may have been added simply as a precaution in case the business faces related restrictions in the future. But what would this restriction be?

In 2017, when Microsoft started working on Windows 10 for ARM, the company announced x86 app emulation, just like Apple. However, Intel threatened Microsoft by claiming that the x86 architecture has proprietary technologies and cannot be emulated on other processors without permission.

While Windows 10 ARM is capable of emulating 32-bit apps from the x86 architecture, 64-bit app emulation was only recently added in an Insider Preview release – which could be related to patents from ‘Intel. Apple could prepare to face a similar dispute with its Rosetta 2 technology.

On a related note, Moser also found changes Apple made to game controls changes in macOS Big Sur 11.3 beta 3, as well as a new option to allow connections with friends in Game Center.

macOS Big Sur 11.3 also made other minor changes, including a new warranty feature in the About This Mac section and a new autoplay feature in Apple Music that debuted in iOS 14, and some tweaks to the Touch Alternatives menu.

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