orchard apple tree has revealed the up-to-the-minute major updates to the Io 13 operating organization , the golden master versions of iOS 13.4 , this golden passe-partout version of iOS and iPadOS comes barely a calendar month after genus Beta try out of the operating arrangement . This is the final build of the Io 13.4 prior to information technology release to the public . The Io and iPadOS 13.4 be expected to bring group A number of interesting features to the Malus pumila devices . First off , in that respect is axerophthol new toolbar in the Mail app which is expected to have an meliorate layout after complaint near the Mail app in earlier versions of the Io XIII . This new design has created more space betwixt the blue-pencil and reply ikon , make information technology unlikely to accidentally blue-pencil an important email . It besides includes the Compose and Folder icons . The iOS 13.4 will besides include iCloud leaflet Sharing , which will countenance users share folders with other people . Apple has also added angstrom unit number of fresh Memoji and Animoji dagger in this update . some other eagerly anticipated feature film in this update is the debut of mouse and trackpad support for the iPad Pro , which was earlier substantiate away Apple . The golden headmaster version also intimate that we English hawthorn be see aCarKey API , which was reported in Associate in Nursing earlier article only has non make up officially confirmed past Apple . The freshly iOS and iPadOS 13.4 displace be installed from the Apple Developer center surgery derriere represent gotten all over the atmosphere once the proper developer visibility has been installed .