With dodging while stunned (finally) no longer a thing, I foresee a lot more stunning characters in PvP. This makes me happy for several reasons. People are going to start loading their squads with Da...
I agree with Nebulous, this probably is just a minor change overall. And I think @1AmYourFath3r is right, it's really going to depend on your server as well, though I believe at the top ranks it's probably mostly the same.
As I said earlier though, if you're having trouble with stuns, using characters that give tenacity boosts is probably the way to go.