The environments are much cooler and make you feel like you're in an underground palace. The music is always great, and getting arm/armor upgrades seems a hell of a lot easier now. Before the patch, I'd run across 20 silver chests and never get a single upgrade. Now it seems like the chest either gives you an upgrade or it explodes lol a welcome addition imo.
Now for the cons. Some friends and I ventured beyond floor 100 and we're currently at 130 without any wipes. But floors 100 and up, for now, feel exactly the same as floors 1-100. I had hoped for some sort of puzzles or mobs with interesting mechanics, but it seems like they're just mobs that hit a little harder and have a bit more hp. That's a bit disappointing to me because I feel that there's a lot they could do to make it more challenging. And also, they shouldn't have bothered giving potd a "story" at all. It could have been really cool, but all the story comes from the final cutscene after you beat 100. By that time, you have no investment in the story at all.
Overall, it's fun and I like many of the changes made. But I still feel like there's a lot more they could do with this setting.