A few hours after the news about the upcoming innovations iOS 11.3, Apple released the first beta version of the update. According to the established tradition, users with a developer account will be the first to access the update. In addition, macOS High Sierra 10.13.4 and tvOS 11.3 beta 1 are available for download.
The debut beta build of iOS 11.3 includes an updated ARKit platform engine, support for iCloud Messages, new animoji, entries in the Health app and performance monitoring mode. Some of the innovations, for example, business chats, will initially be available only to users from the United States.
Changes in the first beta versions of macOS High Sierra 10.13.4 and tvOS 11.3, at the time of publication, remain unknown. Probably, the desktop OS will get support for business chats in the "Messages" application, as well as fixes errors and increases the performance of compatible devices.