The release of the latest expansion pack for Diablo 4, a full-length pack named Vessel of Hatred, features a completely overhauled version of the Difficulty System and level caps. This is most noticeable in how different difficulties are approached, and it is a huge shift for the standard around Diablo 4. Still, it seems hopeful that this will be more beneficial to players, as many play-testers spoke up about scaling issues
