No specific info about version 10.4. Please visit the main page of Reason on Mac Informer.
A powerful audio editor complete with multi-track recording capabilities.
PhotoKey 6 is an application that allows you to edit your favorite photos.
String Studio is a handy tool for altering sounds produced by instruments.
Reason Essentials comes with a selection of Reason's instruments and effects.
Beatstation is a program for creating virtual instruments.