When there are multiple Associations between the classes, you are unable to delete the name from the property view.

When you create a usage dependency toward an interface in a Class diagram and then export Java code from [Tool] – [Java] – [Export Java], the code shows the usage dependency as implements.

Layout of Flowchart could be broken when copying and pasting it over two .asta files only if the transition lines were drawn in “Line (Right Angle)” style.

Exporting HTML fails if the project file contains @see tags in the definition area of models with references.

When you select [Edit] – [Select All] from tool menu, all the model elements would be selected but not Diagram Frame.

If you are using Karabiner, there are a few known issues.

When copying and pasting Mind Maps from one .asta file to another, Mini Icons added by users will be replaced with Astah icons automatically.

HTML Export fails if certain characters like Control characters (Space by Tab key..) or dot are included in Class or Package names.