https://www.cnet.com/news/apple-definitively-confirms-ios-and-macos-will-not-merge/

Apparently, Apple's been asked this question a lot: "Are you merging iOS and MacOS?" At the company's WWDC, Senior VP Craig Federighi wanted to tackle it head-on, saying, "I'd like to take a moment to briefly address this question. NO. Of course not."

WWDC was largely focused on software, with big upgrades to the company's iOS mobile operating system coming in the form of iOS 12. Apple also showed off lots of features for its computer operating system and debuted the new MacOS called Mojave.