In WebStorm (as well as Eclipse , Netbeans ), when you click on the git diff indicators in the gutter, the context menu displays the previous content and provides a button for quickly restoring block changes.

Visual Studio Code also provides added / modified / removed block gutter indicators, as follows:

But I did not find how to quickly see the corresponding diff. I cannot believe that there is no quick way to see what the indicators of the gutter mean.
Did I miss something? Is this an upcoming feature? Or does anyone know of an extension that will add this behavior?