Undo/redo in the Interactions Pane doesn't work if the Tabbed Panes are detached (Edit, Tabbed Panes, Detach Tabbed Panes). It seems to be a no-op. When the Tabbed Panes are attached, undo/redo work as expected.
Fixed as of revision 5364.
Detached frames now contain an InputMap that acts for all its contents [using getRootPane().getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT) ], and this InputMap contains the keyboard shortcuts for the MainFrame's menu items.
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
Fixed as of revision 5364.
Detached frames now contain an InputMap that acts for all its contents [using getRootPane().getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT) ], and this InputMap contains the keyboard shortcuts for the MainFrame's menu items.