The Vatican is about to release the ruling of its investigation.
The apparitions have been controversial and are the longest running ever reported.
It is similar to Garabandal. The blessed mother began appearing to children in
Bosnia at Mejugorje. The apparitions began in 1981.
Pope Francis is prudently investigating and is cautious until the appropriate investigation can be completed. The Vatican hasn't discouraged personal consideration of the messages. But the church will not speak or promote it.
The Church does recommend being cautious in these claims because of false profits. While St. Pope John Paul II, began the investigation he did not strictly prohibit pilgrimages .
The history of Popes in declaring apparitions true usually requires some direct message that only heaven would know. Literally in conjunction with miracles that science cannot explain. St. Bernadette (Lourdes), Sr. Lucia (Fatima) both of these things happened. One of the things that weighs heavily in favor of Mejugorje is St. Padre Pio's revelation that the Blessed Mother would appear there and he sent one of his spiritual children there long before the apparitions began in anticipation.
There are 10 secrets the Blessed Mother has given the children of Mejugorie. The third is going to be a permanent sign that will be something the world has never seen before and will cause many conversion. The others will be revealed three day and the day before they happen. There have been warnings.
Mother Theresa also believed Our Lady Queen of Peace was appearing there.
The thing we are always cautioned about is to remember that Mary the Mother of God is an advocate and she does not ever take the place of Christ or the Trinity and Our Lady certainly doesn't want that either.
ETA. Only you and God know if you are going to hell. Reconciliation is a pretty good thing.
You tube has some footage of the apparitions and there are numerous articles out there.