The Catholic Church does have a reason, however, to offer a definitive opinion on whether public, unrepentant adulterers should be given Holy Communion without their firm commitment to sin no more. And this opinion has already been given by numerous past popes. It is Francis, who is now questioning his papal predecessors' opinions.
If anyone, including bishops and cardinals, and including the pope, favors distributing the blessed Sacrament to people involved in unrepented mortal sin, this is an extremely grave error.