The idea that Pope Pius XII was "Hitler's pope" is disputed by Rabbi David Dalin in his book The Myth of Hitler's Pope: How Pope Pius XII Rescued Jews from the Nazis (Chicago: Regnery, 2005).
The idea that Pope Pius XII was "Hitler's pope" is disputed by Rabbi David Dalin in his book The Myth of Hitler's Pope: How Pope Pius XII Rescued Jews from the Nazis (Chicago: Regnery, 2005). He isn't the only one. There were so many Jews who survived WWII thanks to Pius XII, and so many of them said so.
Pacelli hasn't been canonized to this date. I have to believe he is a defacto saint.