Blizzard isn't quite done transforming Diablo 4 into an entirely different action RPG than it was when it launched. The current leveling process from 1 to 100 is going straight into the trash with its next update and will be replaced by an entirely new framework for how you progress your character.
"When we launched the game, we had a vision for it where we felt like it was really fun to play through once … and as we've played the game more and more and as we've gotten feedback [we realized]...