Christopher Fuchs, one of the founders of QBism, believes the approach could help tame thorny issues like the measurement problem and nonlocality. Others aren’t so sure.
The crucial outcome of taking a Bayesian approach to quantum mechanics is that the wave function is no longer seen as giving an objective description of some feature of the external world; rather, it is interpreted as giving an individual observer the information they need to place a bet on the outcome of a particular experiment.
Read the full feature at FirstPrinciples.