Abbot Geoffroy Kemlin of the Abbey Saint-Pierre, Solesmes, France, has proposed to insert the old Latin Mass into the current Roman Missal, creating one missal containing two forms. The Novus Ordo should remain unchanged.
He has sent his proposal in a letter to Leo XIV on November 12, 2025.
Abbot Kemlin explicitly frames this as a response to the global liturgical dispute (including France, United States, England, Germany) and an effort to restore unity in the Church.
He admits that the two forms reflect different “anthropologies” and ways of prayer and Catholics attached to the old rite are unlikely to adopt the new one.
His proposal speaks of "minimal" revisions of the old Latin Mass. However, his changes would be far-reaching: allowing vernacular language, use of new lectionary, possible concelebration, integration into a single calendar, and additional Eucharistic prayers.
In a March 16 interview to Rcf.fr, he added that his approach could restore unity while “preserving” different liturgical expressions.
The congregation of Solesmes as such is Novus Ordo. Only their daughter Abbey of Fontgombault has retained the traditional rite to a certain extend.
The President of Una Voce, Joseph Shaw, questioned the need for a reform of the old Latin Mass. He noted that modifying the older rite would alter its essential features.
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