In fact, the decisive factor is BuildMechaniOSBuild, just modify it to the version number of macos14.x.

You don't need another mac to submit your app. Just follow the steps below to modify version number . From Archives, right click the build, Show in Finder Right click, Show Package Contents Products -> Applications -> Right click "App Name", Show Package Contents Find the Info.plist and open in Xcode Change BuildMachineOSBuild value to be the latest non-beta MacOS Release, you can find it here - e.g 23G93 Save Distribute normally