Apple is reportedly preparing to introduce ARM-powered notebooks. A Digitimes report says that Pegatron has landed orders from Apple for an ARM-powered MacBook codenamed 'Star' with series number N84. The new MacBooks are speculated to run an iOS derivative and could be marketed separately from other Intel-based MacBooks.
https://www.notebookcheck.net/MacBook-Star-could-be-the-first-ARM-powered-MacBook.306072.0.html