Because I usually open files in DxO by selecting them in Finder and using “Open with…”, I have never before used the File | Recent Folder menu item.
Here is what I found when I tried it :
Since my organisational structure is something like this :
Just having the last folder name in the path is next to useless as I might have opened files from several locations, or several months, with the same day number.
Might I suggest that the items show the full path rather than just the last path component?