In all the aspects, enhancements are more powerful than modifications, even given all the modification support that transaction SPAU offers. The reason is due to an important difference between an enhancement and a modification that stems from the conceptual difference between the two technologies.
With all their new features, the latest versions of the ABAP Editor, I thought it best to appreciate the new features; we should first go back in time to see some of the limitations that were present in prior versions of the editor.
The tools of the New ABAP Debugger are optimized for the different debugging situations you may have to deal with during the course of solving a problem. Some of the tools you will recognize from the Classic ABAP Debugger; others are brand new. Before we look at a few of the tools and how to use them, lets first get comfortable with the tools menu and how the tools are organized.
The New ABAP Debugger User Interface and how to customize the user interface.