Apple’s Senior Vice President of Software Engineering, Craig Federighi, has been added as a document custodian in xAI’s antitrust lawsuit against Apple and OpenAI. Here’s what that means. A bit of background Last year, Elon Musk accused Apple and OpenAI of working together to prevent competing LLMs from succeeding in the App Store, sparking a lawsuit that now also involves the super app market . In the lawsuit, xAI (which is now part of SpaceX) claims that Apple’s deal with OpenAI to integrate ChatGPT into Siri has been influencing App Store rankings. Apple has repeatedly denied these accusations, taking particular issue with xAI’s characterization that the company’s deal with OpenAI involves exclusivity, which it does not. Over the past few months, xAI has tried to broaden discovery in the lawsuit, including by seeking documents from foreign companies under the Hague Convention. While the US court has granted these requests, they haven’t been as successful abroad.…