In Catholicism, what are some examples of views considered opinio tolerata? In Roman Catholic theology, opinio tolerata (tolerated opinion) refers to beliefs that are considered unlikely to be true, but are nonetheless tolerated by the Church. What are some examples of beliefs that are opinio tolerata? I have heard it suggested that belief in the Limbo of Infants is a contemporary example, but I'm not sure if that is true. In any case, even if that is true, I would be interested in other examples also.
Before going into some examples of some tolerated opinions in Catholic theology, it would be beneficial to understand a few terms first.

What is a tolerated opinion in the eyes of Catholic doctrine?


  In Catholic theology, opinio tolerata refers to pious beliefs with a low degree of theological certainty, but which are tolerated by the magisterium of the Catholic Church. These are ranked less certain than sententia probabilis and hold the least degree of certainty in the hierarchy of dogmatic teachings for Catholics. - Opinio tolerate (Wikipedia).


What are pious beliefs, or as some call them popular beliefs? 


Did the Annunciation and Good Friday coincide?
Some Catholics believe that Mary did not see death when she was taken up to heaven. In the Apostolic constitution, Munificentissimus Deus, Pope Pius XII defined the dogma of the Assumption of Mary. However, Pope Pius XII deliberately left open the question of whether Mary died before her Assumption.
Catholics are free to believe that Mary is the Mediatrix of All Graces since this too is at the present moment an undefined dogma in the Catholic Church.
Some Believe that Jesus was crucified  near the tomb of Adam at Calvary.
Before 1854, when Pope Pius IX defined the dogma of the Immaculate Conception in his papal bull Ineffabilis Deus, some Catholics were of the opinion that Mary was conceived without sin, while others doubted this privilege as being given to Mary. Once this decree was promulgated on December 8, 1854, Catholics must believe that the Immaculate Conception is dogma.
Some of the faithful honor Mary with the title of Co-Redemptrix and as of the present moment it has not been defined as Catholic dogma. Catholics are permitted to hold this opinion. Pope Benedict XVI was not in favor of the dogmatization of this subject.


These are just a few of the many piously held opinions of some of the Catholic faithful.