Pope Benedict XVI says that condom use is acceptable "in certain cases", notably "to reduce the risk of infection" with HIV, in a book due out Tuesday.
Although the pope's words are limited in scope and do not change the Catholic ban on contraception they were nonetheless greeted as a breakthrough by many Catholics, AIDS workers and commentators.
This is regarded as a crack in the once tightly shut door of Church policy. Is the Catholic Church giving in? What's next?
Gado, our cartoonist this week, shares his views with us.