Uni-the-Unicorn!
Hero
That is not complete true - 4e had a lot of errata, but your correct.Eh, while this is true to a degree, it sure as hell beats having a game plagued by issues, IMO.
In its end state, 4e was a far better game than what it started as, and the fact that they managed to do all that and keep full backwards compatibility with any published player options was impressive.