<ul data-eligibleForWebStory="true">Apple is making additional App Store changes to comply with EU antitrust regulators after being fined €500 million.The proposed changes aim to allow third-party developers to direct customers away from the Apple ecosystem for software purchases.The tech giant plans to appeal the penalty through the bloc's courts in Luxembourg.The U.S. has warned the EU against excessive regulation of American tech firms, threatening tariffs in response.