This is impossible because of the design Blizzard chooses. So when the community finally gets literally all the same abilities and utilities as every other spec in the game, then we can have new classes?
Balance is a problem because Blizzard pushes WAY too many factors that contribute to how they even approach balancing classes in the first place. There will always be imbalance.
There was never balance in this game’s history. Ever. There never can be or will be.
Balance is out of the question. You’d have to water down classes to FFXIV levels of boring. They’re nothing but flashy abilities and games like FFXIV have way less factors that go into balancing.
Blizzard has to balance Covenant Abilities, which are naturally going to work better with certain classes toolkits. They also have to balance conduits, soulbinds, gear, talent choices, pvp talent choices, enchants, ability equity in playstyle, etc. All of these in relationship to eachother and taken into consideration. One thing becomes too overpowered and then the class balance falls apart. Blizzard does a damn good job at balancing when you look at what they have to balance in the first place.