After entering the URL you want to open from the home screen, you’ll be asked to search the App Store for the app artwork you wish to use as the icon. This is all done within Shortcuts and it’s a ...
However, the icon Safari currently suggests for Twitch is their old logo, which I don’t think looks as good as the new one. But I was able to fix this using Federico’s “Save App Store Icon” shortcut.
A week after updating App Store Connect for iOS with a new interface ... The new version brings support for the dark and tinted icon in iOS 18, as well as some other improvements.