https://www.theregister.co.uk/2019/06/03/apple_wwdc_macpro_itunes/

At its Worldwide Developer Conference on Monday, Tim Cook addressed the Apple faithful and promised a host of software updates and some very expensive hardware – so much so that the hapless presenter was booed when announcing a $999 monitor stand.

On the software side, Apple met developer expectations by announcing iOS apps will be able to run on macOS, dubbed Project Catalyst (previously known as Marzipan). But even as it brought its software development kits together, the iTitan separated its iPad from iOS with a new operating system variant called iPadOS, and split its bloated iTunes app into three.