I said role not power.No. 80% of your power was feats and equipment.
For instance. I made a wizard who only uses basic attacks with a 2 hander.
D&D 4E - Mellored's Char-Op Builds
The Retaliator Doing as much damage when hit as possible. If she hits someone with hellish rebuke, and that creature makes a melee attack which (dazed, dominates, or deals psycic damage) and reduces her to 0 or fewer... 30 thunder (Stormhawk Vengeance) 8 fire (white lotus riposte) 17 (Quori...www.enworld.org
That said, I'm perfectly fine if they reduce the effect of magic items. Needing to upgrade your sword 6 time is a bit ridiculous. Get rid of most +'s from feats is good too.
Really, deflate all the numbers.
Defenders got their main marks from their class.
Strikers got their damage bonus from classes.
Leaders got their main heal from class.
Letting the fighter take a ranged weapon attack and a tactical move or letting warlocks, sorcerers, and wizards all have fireball wouldn't change their roles.
It would be the best of 5e and 4e combined.