This is not a new Mass. It is a new translation of the ancient Latin prayers of the Mass. This new translation continues the liturgical renewal envisioned by the Second Vatican Council (1963-65).

The traditional rite is more than celebrating Mass in Latin and includes additional traditional prayers ... traditional rites and sacraments of the Catholic Church (and) is in response to the ...

which replaced the centuries-old Latin Mass in 1969. Taken together, the changes to the Mass, the Church calendar, and other features of Catholic liturgy constitute the most extensive alteration ...