Lists the unused patterns not present in the sequencer:
Also provides a function to add all of the Non-empty unused patterns to the end of the sequencer.
You can if you want, delete the unused patterns in the renoise Edit menu after checking with the tool.
Refresh now automated [Re-check button to refresh the list- left for bug testing]
You will sometimes see empty unused patterns disappear when you change/ add/ flatten patterns in the sequencer. This seems to be renoise clearing empties when they are no longer necessary to keep the pattern indexing in order.
menu in sequencer: