This week on AI: iOS apps headed to Mac, Apple's iPhone battery controversy, Apple TV back at Amazon & more

By Roger Fingas

Even with many people heading home for Christmas, there was still plenty of Apple news on tap -- including rumors of iOS apps coming to the Mac, and the company admitting that it slows down iPhones based on battery performance.

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A roundup of all of our hottest stories this week:

Apple's project 'Marzipan' will let iOS apps run on the Mac in 2018 - reportApple responds to reports of worn batteries forcing iPhone CPU slowdownsApple said to be working on new large-capacity battery technology for 2019 iPhonesApple TV 4K sales resume at Amazon after two-year blockApple developing advanced EKG heart monitor for future Apple Watch - reportiPhone X available for next-day delivery in the U.S., same-day pickup from most storesApple begins shipping first iMac Pro ordersApple Music, Beats under legal attack over third-party licensing practicesChinese clothing label sues Apple, says App Store logo breaks copyrightApple reportedly replaces outgoing India chief with South Asia directorApple plans first Australian global flagship store in Federation Square, set to open in 2020Apple revises developer guidelines, restricts 'loot boxes' & amends template-generated app ban'Sky: Light Awaits' for iPhone, iPad & Apple TV delayed until March 2018Third iPhone battery lawsuit says Apple used slowdowns to avoid fixing defects