The title sais it.
The only way I found to clear (or delete) the recently used files in the windows version is using regedit.
Even better would be the possibility to right-click on an entry in this list and get a context menu option to delete this entry.
1 2020-01-30 22:38:06
Topic: Suggestion: Add menu item to clear the list of recently used files (1 replies, posted in EN : Help, suggestions, discussions, ...)
2 2020-01-30 22:27:18
Re: Tippfehler in deutscher Übersetzung (3 replies, posted in DE : Hilfe, Vorschläge, Unterhaltungen...)
Die Begriffe in den Vorlagen habe ich als Bug gemeldet
https://qelectrotech.org/bugtracker/view.php?id=182
und scorpio810 hat das heute eingepflegt