Change Vision

c/o Work Styling, 5th Floor, Shiodome City Center
1-5-2, Higashi-shimbashi, Minato-ku
Tokyo 105-7105
Japan
Tel: +81 3 3255 0250
Fax: +81 3 3255 0251
Open: AM9-12 & PM1-5 (UTC+9.00)

Change Vision News

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Design Smarter Diagrams with Built-In AI

December 26, 2025Product Update
Astah Professional v11.0 adds AI Chat Copilot for intelligent design, plus new AI tools to enhance modeling precision and efficiency.

Celebrating 20 Year Partnership with Change Vision

August 6, 2025Publisher Milestone
ComponentSource and Change Vision have worked together since 2005 to provide developers with intuitive modeling and visualization tools.

Change Vision Wins Two ComponentSource Awards

May 13, 2025Publisher Award
ComponentSource has awarded Change Vision a Top 25 Publisher Award and Top 100 Product Award for 2025.

Change Vision Wins Two ComponentSource Awards

April 29, 2024Publisher Award
ComponentSource has awarded Change Vision a Top 25 Publisher Award and Top 50 Product Award for 2024.

Analyze the Timing of Interactions

April 23, 2024Product Update
Astah Professional v9.2 adds UML Timing Diagrams to visualize sequenced interactions and state changes within a system.
Astah Professional v9.1

Astah Professional v9.1

June 28, 2023New Version
Increases the number of notifications shown when changing models that are used in multiple diagrams.
Astah UML v9.1

Astah UML v9.1

June 28, 2023New Version
Revamps color configuration and enhances diagram thumbnails.
Astah SysML v8.0

Astah SysML v8.0

December 1, 2022New Version
Adds new Update Diagram menu to adjust object size and layout on the diagram.
Astah Professional v9.0

Astah Professional v9.0

November 30, 2022New Version
Adds FlatUI and 18 new light themes.
Astah UML v9.0

Astah UML v9.0

November 30, 2022New Version
Adds Dark Mode and Diagram Thumbnails.
Astah System Safety v8.0

Astah System Safety v8.0

July 29, 2022New Version
Adds Dark Theme and refines the UI.
Astah Professional v8.5

Astah Professional v8.5

March 10, 2022New Version
Adds new Automatic Diagram Layout for Sequence diagrams.
Astah UML v8.5

Astah UML v8.5

March 10, 2022New Version
Adds Word Wrap in Classes, Requirements and more.
Astah System Safety v7.0

Astah System Safety v7.0

December 9, 2021New Version
Adds support for macOS and makes diagrams expressive with stereotype icons.
Astah Professional v8.4

Astah Professional v8.4

July 2, 2021New Version
Adds new Lock the Center Point mode.
Astah UML v8.4

Astah UML v8.4

July 2, 2021New Version
Adds new Expand/Collapse options in the Tree view.
Astah Professional v8.3

Astah Professional v8.3

November 26, 2020New Version
Access your models faster with enhanced tree view filtering.
Astah UML v8.3

Astah UML v8.3

November 26, 2020New Version
Enhances Auto-creation of Class diagrams.
Astah SysML v1.5

Astah SysML v1.5

March 14, 2020New Version
Adds new Update Diagram menu to adjust object size and layout on the diagram.
Astah Professional v8.2

Astah Professional v8.2

November 27, 2019New Version
Improves conflict list and visual diagram comparison window.