Yes, late last year the pope actually installed Piero Marini, Annibale Bugnini's secretary in Vatican II,  in Cardinal Sarah's Congregation for Divine Worship.  More here:

https://eponymousflower.blogspot.com/search/label/Archbishop%20Piero%20Marini

First Things indicates that Marini and Roche are heavily involved in the rumored project to develop the prototype for the Ecumenical mass for both Catholics and Protestants.