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