Nevertheless steps should be taken so that the faithful may also be able to say or to sing together in Latin those parts of the Ordinary of the Mass which pertain to them.
Sacrosanctum Concilium, #54
The Church acknowledges Gregorian chant as specially suited to the Roman liturgy: therefore, other things being equal, it should be given pride of place in liturgical services.
Sacrosanctum Concilium #116.
Personally, I hope these suggestions actually get put into practice this time. It is a small step - but at least it is in the right direction.