We've got the option "distributed ray tracing" in the info passes / kernel. If disabled, it disables motion blur and depth of field, but it still leaves pixel filtering enabled. What we could do is also disabling pixel filtering when this option is enabled. Unfortunately things like masks wouldn't then work correctly anymore. I.e. we would need to separate the info passes into passes that apply pixel filtering and passes that don't (they are currently rendered together).
-> Which passes should have pixel filtering disabled when distributed ray tracing is disabled?