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Xcode – Is there an option to toggle "Open using Rosetta" value for a specific app using Terminal?

I’m really tired of checking this option manually for Xcode, which I cannot duplicate due to its size… maybe there is a way to create some kind of shortcut to launch an app (Xcode in my case) with the specific value of "Open using Rosetta"?

Note: this question relates only to Apple Silicon Macs.

Example of the "Open using Rosetta" option in Finder:
enter image description here

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  1. Chosen as BEST ANSWER
    0

    LaunchServices are keeping track.

    See ~/Library/Preferences/com.apple.LaunchServices/com.apple.LaunchServices.plist: Architectures for arm64 dictionary.


  2. 0

    Modifying com.apple.LaunchServices.plist only works after reboot. You could call the private function _LSSetArchitecturePreferenceForApplicationURL defined in CoreServices.framework. This is what finder does when you check/uncheck "Open Using Rosetta."

    I have created a small utility that does this: https://github.com/tapthaker/SetArchPrefForURL

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