I have a Veloce 10 sp QS set up with a 2018/19 Potenza 11 sp rear derailleur. Works fine. I think the indexing changed in 2012 or something, so 10sp parts before and after then might not get along.
@Eseman started
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I have a Veloce 10 sp QS set up with a 2018/19 Potenza 11 sp rear derailleur. Works fine. I think the indexing changed in 2012 or something, so 10sp parts before and after then might not get along.