Visual Studio Code is an excellent editor, with a ton of room for customization. As a recent convert from Emacs, I appreciate the ability to customize my editor through the form of extensions. Creating an extension is quite simple, if none that fit your needs are available in the marketplace.
With the addition of the Touch Bar comes the ability to customize it for your own applications. From simply adding buttons to incorporating sliders or color pickers, programming the Touch Bar is a new, creative way to add shortcuts and other functionality into your Mac app.