There is no “AHA!” involved.

There are alleged revelations taking place all the time. The Deposit of Faith was fully formed with the death of the last Apostle.

Alleged revelations are examined and if approved become private revelations. They cannot add or subtract to or from the Deposit of Faith. There well be an eighth sacrament, or a fourth person to God, or anything else of import.

The only reason you can spell “pseudepigrapha” is that you were able to cut and paste from a writing or article from someone who actually can.