Instead of using the disclosure widgets to navigate in QDL, you can also just click the title of any item. This will make that post the top-level post. The parent folders will then all be displayed in a list on the top line. To return to any higher-level folder, simply click the link on the top line.
The foreslashes that delimit the folders can be clicked to get a list of all of the items in the folders. Click on one of these items to go straight there, without first having to go to the parent folder to get to the child folder.
The "full path" can be shifted, using the left and right arrows (
After shifting the path, you can bookmark the current page, and when using the bookmark in the future, you'll be returned to QDL, with the root shifted as before.