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 October 30, 2024October 30, 2024
Announcement

We’re excited to introduce Astah Professional and UML v10, launching October 30, 2024! This latest version is packed with powerful enhancements to make your modeling faster, more intuitive, and collaborative.