Have you created a mechanism to allow players to swap feats that they don't use anymore for new ones?
I started playing D&D in the 80's. I've played D&D, 1e, 2e, and 3.xe (and many other RPGs). I also played Magic since it came out (except for a few years around the change of the millennium. I say this so you know a bit of my experience, not because I care about editions.