Re: Improving or Replacing Frostbite to Improve Physics for Next Iteration
As far as i'm aware, Frostbite is EA's in house engine and they use it for all kind's of stuff, for years and years - highly unlikely they'll start using something entirely different all over sudden.
Also keep in mind today's Frostbite engine is not the same Frostbite it was in 2008 - Frostbite as well as other engines receive updates that add and change functionality quite a bit.
So if there's any "next iteration" of PGA Tour, it will be on Frostbite again - same Frostbite? Depends on when "next iteration" will be, but given PGA Tour being a live service game and as such does not qualify for yearly title releases, it would probably be a different iteration of Frostbite.