Flatter XP curve

[Helborn]

Originally Posted by David Bofinger

Fibonacci asymptotes to XP=exp(0.48*attributes). It's not that different to Legacy, where the constant is 0.69, and much harsher than Classic, where it's 0.14. So this isn't a huge change.
I remain convinced exponentiation is mostly something that should happen just before the character is retired or the campaign ends, if then.

While I agree that it doesn't make much difference at higher levels, it does allow for a flatter beginning - which is where most play is.