Astah Professional Releases

Released: Mar 12, 2024

Updates in v9.2


  • Timing Diagrams - Finally, Astah Professional supports Timing Diagrams, which are essential for anyone involved in the development and analysis of real-time systems, embedded systems, or any application where understanding the timing of interactions is critical.
  • Visible Definitions Directly on Diagrams - You can now convert Definitions of the models that you enter in the left-bottom pane into Notes and show and edit them directly on the diagrams.
  • Enhancement on State Regions...

Released: Jun 28, 2023

Updates in v9.1


  • Enhanced Consistent Modeling:When important changes are made to models that are used in multiple diagrams, Astah shows more notifications to avoid making unintentional inconsistencies in the models as a whole.
  • Effectively-collapsible branches in Mind Maps: New Collapse/Expand branch options enable you to smoothly and quickly focus on certain branches without distraction.
  • New color palette with more colors and additional keep-color option: New color palette gives you 279 color options...

Released: Nov 30, 2022

Updates in v9.0


  • FlatUI and new 18 light themes:  Enjoy this new flat simple design. Also, there are 18 light themes you can choose from.
  • Dark Mode:Now you can use Astah in Dark Mode. About 50 themes are pre-installed.
  • Diagram Thumbnails:Now you can see all the diagrams in thumbnails and open them from this gallery.
  • Enhanced Traceability:Now Astah’s context menu provides much more detailed reference information per model.You can see where this model is used without actively looking for it by yourself...

Released: Mar 10, 2022

Updates in v8.5


  • Automatic Diagram Layout for Sequence diagrams: This will shorten Lifelines, Execution Specifications and Messages to reduce unnecessary spaces to make the diagram in the best presentations possible with just one-click.
  • Get, access Target model without a scroll:Now you can see the name of models located outside of the editor.You no longer have to scroll all the way down to the target end to see what it is.
  • Powerful Traceability Map to overview your project:New Traceability Map will not...

Released: Jun 30, 2021

Updates in v8.4


  • New “Lock the Center Point” mode:By turning this new mode on, Astah will keep the connecting points stay as they are and keep your diagrams neat and clean for you as you edit.
  • Better behaviour on Suggest Feature: From this version, simply select a model when that happens. So that the small icons will disappear and you can focus on your work without any distractions
  • System architecture diagrams: You can create your own icon library by importing AWS Architecture Icons and create diagrams...

Released: Nov 25, 2020

Updates in v8.3


  • Filter in Tree by keyword and model types.
  • Enhanced Auto-creation of Class diagram.
  • Insert SVG images to diagrams.
  • Customize  Jump lines.
  • Improved Auto-layout, re-align the layout vertically or horizontally.
  • Better Skeleton Generator, allows you to update your source code files keeping the previous modification you have made.
  • Relocation of Association Name.

Released: Nov 27, 2019

Updates in v8.2


  • Line Jump is finally: When two lines cross over, one line makes an arch to express it is jumping over the another.This makes it a lot easier to grasp relationships and also to create new ones in complex diagram.
  • Compare diagrams visually: We’ve made tons of improvements for the conflict list and visual diagram comparison window to help your team check differences between revisions more effectively.
  • Create your own template: We’ve improved a way to create template files. Include your...

Released: Jul 18, 2019

Updates in v8.1


  • Switched bundled JRE from Oracle Java to AdoptOpenJDK.
  • Update Diagram menu is added to adjust the model elements on the diagram.
  • Discontinued the Startup Screen.


  • It takes longer to load .asta files after updating to Ver 8.0.
  • An exception error occurs when trying to change the font color of line labels.
  • Unable to show Astah on full screen on Mac.
  • Input/Output Pins connected to Actions will be relocated incorrectly when automatically resizing the Actions or converting it to...

Released: Jan 30, 2019

Updates in v8.0


  • Common
    • Show/Hide option for Notes is now available.
    • Note
    • Hide Note from diagrams
    • Stereotype is searchable and replaceable from search pane.
    • Search Stereotype
    • You can minimize the size of diagram frame from its pop-up menu.
    • Customize Diagram Frame
    • You can create Models under Packages.
    • UI improvement on SourceCode Import and Export dialogue.
    • Now you can copy model elements as GVML ClipFormat.
    • Improvement on the knobs to make it easier to grab and move objects.
    • You can add self-association...

Released: Sep 28, 2017

Updates in V7.2


  • Advanced Font Setting - Now you can change each object's font individually to create custom presentations with your models.
  • Stereotype visibility Setting
  • Gap Expander/Remover is now available in all the diagrams except Mind Map
  • Auto-save feature is now available
  • Now [Script Editor] is available to enable to access models via scripting language using API
  • Improved the UI of property view



  • Sometimes [Text] model does not appear on the diagram and throws an exception error.
  • Upon...