April !!! Why must be April, Is that it been fix or because of larry page came in . Until now still no one get the confirm answer even so many thread here. @@ This call us don't prepare at the last minutes like having exam. Do your seo and backlink consistence will do and no more worry for you.
Google will never publish any of these information to their users. So don't go for any 3rd party websites. I think Google PR will be updated once in a month, not sure