Announcing Astah Professional and Astah UML Version 12

by Satomi Joba
Posted on July 15, 2026
Announcement

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.

by Satomi Joba
Posted on March 19, 2025
Announcement

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.