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.
Sometimes ProcessBoxes in Data Flow Diagram (DFD) will be unable to edit.
Name of the Reply Message should always appear on the diagram, however if you include a right square bracket in its name, the name completely disappears from the diagram.
Wrong hyperlinks appear in RTF documents that are exported from [Tool] – [Export RTF].
When you change the notation of model elements into customized icon, the icon will be shown in incorrect size automatically.