“This update focuses heavily on the economy,” the team wrote, “including changes to the auction house, how items are bound, and how end-game gear is acquired. Additionally, we have a completely revamped arena mode with 12 times the number of levels that offer some sweet rewards for those of you who are up to the challenge.”
You can read the full patch notes if you’re into this game. The dev team teased “new tricks” that it has up its sleeves and said that a “bigger and better” August update is currently in testing.
Source: Patch notes