Barely a week later the exit of developer betas of the Io 13.4 , macOS 10.15.4 and tvOS 13.4 , orchard apple tree has unveiled the public beta for these releases . The update is expected to be up for user enrolled in the beta testing program as an Over-The-Air update . This update also bring with it the much-anticipated iCloud Folder sharing feature , this have personify delayed to Spring of 2020 for macOS but was listed to be available for Io from last September . This is a welcome development for iOS , A other popular competing services have take such share features for prospicient . The iOS 13.4 also features a new toolbar for the Mail app , in effect separating the reply push from the delete button , have information technology easy for substance abuser to navigate the mail app and avoid erroneously deleting important postal service . For other new features in this update , in that location would follow baseball club new Memoji stickers , minor changes to the localization services widget , a new Shazam it shortcut and a routine of other new features . There have also been references to a new NFC enabledCarKeyAPI in the beta , this API commode allow iPhone possessor use their equipment as a car key , being able to open and shut car doors , and besides potentially start the car engine . With changes in the growth work on for iOS 14 , there are rumor making the rounds that the side by side iOS variant will live able to support all gimmick bear out by the iOS13 version . With Apple making massive leap in software development , there be no assure how a great deal they buns achieve in the coming old age .