Released: Dec 24, 2025

v11 中的更新

特性

AI-assisted modeling

• AI Chat Copilot: AI Chat Copilot adds a chat panel directly inside Astah, allowing you to interact with your diagrams and models using natural language. Ask questions, explore design ideas, and get suggestions while staying focused on your modeling work.
• MCP Server:The MCP Server lets your preferred AI tools connect to Astah models.Use AI from the environment you already work in – such as an IDE or AI agent – to retrieve model information and run operations in Astah.
• AI...

Released: Mar 19, 2025

v10.1 中的更新

特性

• Duplicate Models in Diagrams: Previously, model duplication was only possible from the structure tree. Now, you can duplicate models directly within diagrams, including diagram elements, enabling faster and more efficient modeling.
• Remember or Set Notation for Interface Creation: You can now configure the default notation for interfaces when adding them to diagrams via system properties.
• Better Relationship Visibility: When dragging and dropping models from the structure tree into a diagram...

Released: Oct 30, 2024

v10.0 中的更新

特性

• Superior Performance with Java 21 - Offering faster and more efficient performance through optimized garbage collection and memory management. Astah is run on the latest Long-Term Support (LTS) version of Java, ensuring greater stability and overall superior performance.
• Intuitive Enumeration Support Added - Enumerations can now be represented more intuitively. Existing enums that were previously modeled using classes will be automatically converted when you load your project.
• Advanced Model...

Released: Mar 12, 2024

v9.2 中的更新

特性

• Timing Diagrams - Finally, Astah UML 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 - Significant enhancements...

Released: Jun 28, 2023

v9.1 中的更新

特性

• 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 to...

Released: Nov 30, 2022

v9.0 中的更新

特性

• 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.

修補程式...

Released: Mar 10, 2022

v8.5 中的更新

特性

• 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 only...

Released: Jun 30, 2021

v8.4 中的更新

特性

• 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 with...

Released: Nov 25, 2020

v8.3 中的更新

特性

• 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.