Apple Inc. is planning to add Apple Intelligence to its Vision Pro headset, along with an updated mode for guest users and a spatial content app, as it seeks to boost interest in the device. The company aims to roll out the features as part of a visionOS 2.4 software upgrade targeted for as early as April, according to people with knowledge of the matter. The enhancements will become available in beta for developers as soon as this week, said the people, who asked not to be named discussing deta...