When you configure a Dynamic Related List–Single component or a Related List–Single component, you now see the API names of the available related lists. Previously, you saw only the names of the related lists, which was confusing if multiple objects had the same name or similar names. Every API name is unique, so the additional information makes it easier to identify and select the related list that you want
Where: This change applies to Lightning Experience in all editions
How: In Lightning App Builder, add a Dynamic Related List–Single component or a Related List–Single component to a page. Click the new component, and then click the Related List dropdown menu. Under each available related list, the API name is listed
