Office Closure Notice on April 17, 2026

Please note that our office will be closed on Friday, April 17, 2026, due to an internal event.
Support services will resume on Monday, April 20.

We’re excited to announce the release of Astah Professional and Astah UML version11, major updates that bring AI-assisted modeling into your daily modeling work – helping you create, understand, refine, and evolve system models. This […]

On June 16, 2025, Change Vision, Inc. hosted a one-day tutorial on Enterprise Architecture Modeling with UAF, led by Dr. James Martin (The Aerospace Corporation / INCOSE Fellow).
Forty participants from diverse industries and academia joined, engaging in lively discussions. A networking reception followed, offering a valuable opportunity to deepen understanding of UAF.

Managing multiple Astah licenses has become easier! Until now, the license management portal displayed license numbers, expiration dates, and support periods, but it was difficult to track details like “Who is using this license?” or “Which PC is it installed on?”

Draw in text. Refine in Astah. Work with AI. Meet the new PlantUML Plugin v1.0.0 for Astah.

Discover how to integrate Astah with AI tools to analyze UML class diagrams effectively. This first post in the Astah × AI Integration series walks through exporting models, crafting smart AI prompts, and reviewing a real AI-powered analysis example.

Astah Professional and UML v10.1 Released

Astah Professional & Astah UML v10.1 Now Available! 🚀
The latest update focuses on enhancing modeling efficiency, improving stability, and resolving reported issues for a smoother, more reliable experience. With v10.1, you can now clone models directly from diagrams and organize ER models with packages, making your workflow even more efficient.

🚀 The ChangeVision Members Site has been renewed!
As of March 8, 2025, our exclusive platform for Astah product support and license management has been fully upgraded! Enjoy a modern UI, Google Sign-in, and smarter license management for a smoother experience.

by ume
Posted on October 15, 2024October 23, 2024
Announcement

On Friday, November 1st, 2024, our offices will be closed for the entire day due to internal events. This means that our customer support, sales, and technical departments will be unavailable to respond to your inquiries on this day.

Change Vision, Inc. proudly sponsors TSEC2024, held in Bangkok from August 6-9, 2024. Join us for this inaugural event to explore systems engineering innovations. Register by July 15 and enjoy a special 6-month free license for Astah products exclusively for attendees!