Office Closure Notice on October 30, 2026
Please note that our office will be closed on Friday, October 30, 2026, due to an internal event.
Support services will resume on Monday, November 2.
Please note that our office will be closed on Friday, October 30, 2026, due to an internal event.
Support services will resume on Monday, November 2.
As the systems engineering community prepares for real-world SysML v2 adoption, Change Vision is launching the dedicated feature page for our upcoming SysML v2 Modeler. Learn about our vision for lightweight, AI-assisted MBSE and apply for Early Access today!
Change Vision received the Top 50 Publisher Award and Astah Professional received the Top 100 Product Award in the ComponentSource Awards 2026 — rankings based on a full year of real global sales data.
Astah Professional and Astah UML Version 12 are here — our biggest update yet, with a smarter, steadier AI Chat Copilot, cleaner sequence-diagram auto-layout, reworked reference-project management, and a faster, snappier experience. Update from the download page, or try v12 free with a 20-day trial license.
Astah SysML and Astah System Safety v11 are officially here! Explore new AI-powered modeling . To celebrate the launch, we are offering a special 2nd trial license for previous users to test version 11 through March 18, 2026.
Change Vision will be closed for the New Year holiday from December 27, 2025 to January 4, 2026.
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.
We’ve released a lightweight SysML v2 Editor as a Visual Studio Code extension. Built to support the next generation of systems engineering, this tool offers syntax-aware modeling with features like highlighting, validation, navigation, and more – helping you get hands-on with SysML v2.
Astah System Safety and Astah SysML are now officially part of the INCOSE SE Laboratory.
Please note that our office will be closed on Friday, May 16, 2025, due to an internal event. Our support and license delivery for certain products will resume on Monday, May 19. Online purchases will still be available.