Version 8.5.0 focused on reducing "busy work" through better layout automation and improved access to model elements:
Astah Professional 8.5.0 requires a license key for activation. The license key is usually provided with the purchase or subscription. You can contact the vendor, Change Vision, for more information on licensing and pricing. Change Vision Astah Professional 8.5.0 incl key...
: You can now see the names of models located outside the immediate editor view without having to scroll to the end of the diagram. System Requirements Version 8
: Astah Professional offers extensive support for UML diagrams, including Class, Use Case, Sequence, State, Activity, Component, Deployment, and Composite Structure diagrams. This makes it a versatile tool for modeling different aspects of software systems. Change Vision Astah Professional 8.5.0 incl key...