IGV: Shortcut Ctrl-x for "Extract action" on a Node does not work.
IGV: Clean up the "Final Code" graph to match the blocks from assembly/OptoAssembly
IGV: Outline should highlight the Graph that has focus
IGV: enhance graph export functionality
IGV: scale up GUI elements on high-DPI displays
IGV: label the favorite nodes
IGV: add group, graph, and node tooltips with properties
IGV: select block nodes by clicking on it