Categories Articles You need a MacBook with a butterfly keyboard to use macOS Catalina’s Sidecar Post author By crystalg Post date October 8, 2019 The Verge – All Posts Tags butterfly', Catalina’s, Keyboard, MacBook, macOS, Need, Sidecar ← U.S. Declares Emergency as Typhoon Hagibis Threatens the Northern Mariana Islands → How Recovery Can Make Entrepreneurs More Resilient – and More Successful