not at all, see the [wiki entry](https://github.com/ComputationalRadiationPhysics/picongpu/wiki/Plugin%3A-Phase-Space#known-limitations).
It is fixed [in the code](https://github.com/ComputationalRadiationPhysics/picongpu/pull/347/files#diff-0cc82dc75e86b423221e6baa5aa852d5R61) to `1024` bins for now.