Yes, it has. And Apple (mostly) won.

en.wikipedia.org/wiki/Epic_Games_v._Apple

In January 2024, the Supreme Court denied the full appeals of both Apple and Epic in the case, leaving the case primarily a victory for Apple in allowing them to continue restricting app distribution to their App Store and to continue restricting in-app purchases to Apple’s payment systems, but requiring Apple to allow developers to link to external websites offering alternate payment options (off-app purchases).