Unfortunately, from what I can tell, Apple is only being forced to open up iOS (iPhone), not any other platforms like iPadOS, and they’re not doing a jot more than they have to here.
>Citing six different issues with Apple's claims, the commission concluded: "Safari qualifies as a single web browser, irrespective of the device through which that service is accessed."
https://www.theregister.com/2023/11/02/apple_safari_browser/
Suppose we’ll see in due course whether the European Commission takes them to task on it…