The article discusses the compatibility of macOS Sequoia with various Intel-based Macs, revealing that it drops support for 2018 and 2019 models of the MacBook Air. Apple has outlined the specific Mac models that macOS Sequoia will be compatible with, including MacBook Pro, MacBook Air, Mac mini, iMac, iMac Pro, Mac Studio, and Mac Pro. The new "Apple Intelligence" suite of AI features will require an Apple silicon Mac with an M1 chip or newer, offering benefits such as faster writing and improved organization of notifications. iPhone Mirroring will be available on both Apple silicon Macs and Intel-based Macs with the T2 security chip, allowing users to control their iPhone from their Mac's screen. iPadOS 18, on the other hand, drops support for certain older iPad models but remains compatible with various models, with both macOS Sequoia and iPadOS 18 available in beta for Apple Developer Program members.