iOS15 How can I test the App Icon in Xcode 13? - ios15

In the session Get ready to optimize your App Store product page show:
And remember, to test a variation of your app icon, you'll need to include the icon assets in the binary of your app version that is currently live.
How should I create different app icons in Xcode 13, or is there any related documentation link? thanks~
How do you properly add multiple App Icons inside Xcode for Product Page Optimization Tests?| Apple Developer Forums
How to test a variation of your app… | Apple Developer Forums

You are right that Apple doesn't give too many details about it. You need to set up an alternate app icon in your binary. Here's a step by step tutorial on how to do it:
Create your app icon creatives (1024px x 1024px)
Set your app icon(s) in XCode as another App Icon in the Asset Catalog, fill in all the relevant sizes
Since Xcode 13, Asset Catalog supports Alternate App Icons and there’s a corresponding build setting we need to change to the target’s Build Settings:
Change the Include All App Icon Asset to Yes
Add the App Icon Set you added in #2 to the Alternate App Icon Sets setting, you can add more than one.
Change the Primary App Icon Set Name to the default app icon if needed
You need to upload your new build to review.
Only after your new build has been approved and your app is in Ready For Sale state, you may find your alternate app icons in the Product Page Optimization under the App Icon tab

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