89 It is nonetheless significant and encouraging that the question of the primacy of the Bishop of Rome has now become a subject of study which is already under way or will be in the near future. It is likewise significant and encouraging that this question appears as an essential theme not only in the theological dialogues in which the Catholic Church is engaging with other Churches and Ecclesial Communities, but also more generally in the ecumenical movement as a whole. Recently the delegates to the Fifth World Assembly of the Commission on Faith and Order of the World Council of Churches, held in Santiago de Compostela, recommended that the Commission "begin a new study of the question of a universal ministry of Christian unity". After centuries of bitter controversies, the other Churches and Ecclesial Communities are more and more taking a fresh look at this ministry of unity.
Source: Ut Unum Sint (Vatican.va)