[lalaithion]

The evolution of the wave function is deterministic. However, the observables of the wave function are not deterministic. So if I tell you the state of a photon moving toward your eye, you can determine the probability distribution of what color you will see, but not the actual color, because there's randomness during collapse.

[FeepingCreature]

(Alternately, there's indexical uncertainty in timelines, which rouuuughly comes out to the same thing if you handwave about game theory a bit https://plus.maths.org/content/playing-games-part-i )