"Vestager reminded Cook of Apple's impending obligation to allow users to install third-party app stores and sideload apps under the DMA. Apple will also be obliged to give developers the ability to promote their offers outside the ‌‌‌‌App Store‌‌‌‌ and use third-party payment systems."

https://www.macrumors.com/2024/01/15/app-store-to-be-split-in-two/