I always hesitate to provide feedback about minor additions/modifications to anyone's game due to how difficult it could be to implement.
The discord has an open suggestions channel. My understanding is some of the QoL adds came from there. Some of the regulars there will comment on suggestions, a few will discuss pros and cons about it.
I was surprised at how many QoL additions were tied to quests, such as; special pastries (easy sex), vampiric powers (night vision without torch), guards for the road (no interrupts), and so on.
He seems to prefer having the MC earn powerups. Though I wouldn't necessarily call special pastries, Blood Potions, and so on QoL. Those go towards progressing story, stat buffs, preventing events, etc. To my mind QoL is minor stuff like highlighting collectables, goblins dropping a few coins (they didn't before about 2.81), stuff that doeasn't have big or direct impact but still help. QoL tends to make things easier for newer players...
I'm wondering if an object for duplicating is planned due to the questline surrounding LOCO, but that might honestly fall into the cheating category.
I play the MC as "fuck, I'm never doing THAT again!" But it would be cool if somewhere down the line there's a situation where using the RoD for non-sex reasons is highly suggested. Same for using the spyglass, all you get from it currently is a clear view of
Beth doing Sampson and some xp for completing the quest.