<ul data-eligibleForWebStory="false">Apple appealed a €500 million fine imposed by the European Union over App Store policies.The fine was issued last year under the Digital Markets Act for breaching rules related to third-party payment processing.Apple changed its payment system in June to comply with the DMA but is appealing the fine due to required changes it finds problematic.The company argues that the new fee structure creates complexity for developers and challenges the EU's definition of steering.