How to Open using Rosetta in Xcode 14.3

If you are using Xcode 14.3 or later and still need to run it under Rosetta, you might notice that the option to open Xcode in Rosetta is no longer available.

How to Open using Rosetta in Xcode 14.3

The good news is Apple didn't stop supporting Rosetta (yet). On the contrary, They make it more manageable.

Instead of making the Xcode run using Rosetta, in Xcode 14.3, we can select destination architecture per project right within Xcode.

Run an app on a Rosetta simulator

To run an app on a Rosetta simulator, you need to do the followings.

1. Go to the "Product" menu in the menu bar and select Destination > Destination Architectures > Show Rosetta Destinations.

2. You will see architecture in parenthesis next to the simulator. In this case, it is Rosetta.

Run an app on a Rosetta simulator and Apple Silicon

If you want to run on both architectures, select the "Show Both" option.

1. Go to the "Product" menu in the menu bar and select Destination > Destination Architectures > Show Both.

2. Then, in destination/device selection, you will see both Apple Silicon and Rosetta versions of a simulator to choose from.

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Project that doesn't support Apple Silicon architecture

Xcode makes this process even easier. If you try to build a project that doesn't support Apple Silicon architecture, Xcode will show a popup dialog to change architecture to Rosetta.

Click "Build for Rosetta" will automatically switch destination architecture to Rosetta for you.

You can switch it back whenever you want using the method in How to Open using Rosetta.