The latest release of Code (Version 1.26) brings about a lot of exciting new features — including file breadcrumbs at the top of each file editor view.
By default this feature is not enabled. You can enable it from User Settings
Cmd+Shift+P, ‘User Settings’). From the User Settings view, you can
breadcrumbs and you’ll see the following item:
Use the pencil to override it to
true and you’ll have that trail of
breadcrumbs waiting for you.