[New] button to add Operation for Messages gets disabled in Sequence Diagram

There is a regression in a Sequence Diagram since Version 8.0.
There is a regression in a Sequence Diagram since Version 8.0.
Sharing an actual Q&A between Astah Support and customer regarding Sequence diagrams.
When you have a mouse over an object, the suggestions of creatable models in/from the object appear as icons. This article shows how to turn off this feature.
Astah Online Store will be down for one hour for a scheduled maintenance on March 31st.
Have you read this blog post “Two ways to delete models in Astah” which briefly explains the difference between two deleting features in Astah.
Today, I’m going to expand it a little bit more explaining the concept of each delete…
Due to our annual internal events, we’ll be closing our office on April 9th(Tue) and 19th(Fri) in Japanese Time.
We’re pleased to announce that the ComponentSource has released its 2019 award winners and we won the two awards!
Software testing is important and critical in software development. At the same time, testing and creating test cases are time-consuming. But if you already have a UML Statemachine diagram, by using our free-plugin, it can generate test scenarios that you can use as a test case.
When you are preparing UML or SysML diagrams to explain something to someone, do you think you are making the visual in the best possible way to convey your points?
How to draw N-ary Associations in UML Class diagram using Astah Professional.