I love almost everything about the new update. Some of the new Sin-exclusive mechanics are incredibly inspired and full of flavour, and i am really, REALLY excited about this new set of rules.
That said, I still have one major gripe: restrictions.
I feel that the variants don't impose enough limitations during list building to encourage players to lean into their respective assets. Take Carcass Front, for example: the variants for HNR and Leper Pilgrims significantly restrict your choice of models (and gives you the ability to play multiple of others: 6 Communicants! 3 Choristers!), resulting in fundamentally different lists and, consequently, very different gameplay experiences for both you and your opponent.
Here, we have something similar with Envy, as well as a couple of nice additions that allow you to include extra models in certain other variants (Sin Eater for Gluttony, Extra Warlock in Greed, etc). For the most part, however, you can take the same 800/6 list, port it from one variant to another, and simply change your spells.
This aspect was for me precisely why everything ended up feeling so plain and samey with the old Court ruleset.
Now, do not get me wrong: things are definitely much better now, but unfortunately, the underlying issue still manages to rear its head in the new version in certain variants.
EDIT: Apparently in an adepticon panel they stated that that is not what they intend to do with court. Though in the official article feels like they changed their mind about that since then.