There is no development of the doctrine, there are only further definitions of the same revealed Dogmas as they were always understood.
There is no real Church-Council called “Vatican II”.
The Holy See is vacant.
There is no baptism of desire; to be reborn one must be sacramentally baptized.
There is no limbo of lost infants; all dying outside the Church go into hellfire.
One may receive Absolution from a heretical priest who despite his heresy is not notoriously departed as for Canon Law, yet not giving the impression to approve that priest’s error.
Debate of me Vs. MHFM occurred from February to March: Dismissing a Fake-Relic and a Fake-Dogma.