From the Vatican daily bulletin (not yet in official English translation):
On May 31, 2018, the Holy Father has nominated His Excellency, Archbishop Henryk Hoser, S.A.C., Archbishop-Bishop emeritus of Warszawa-Praga (Poland), Apostolic Visitator of special character for the parish of Medjugorje for an indeterminate time and ad nutum Sanctae Sedis.