Saint Ratzinger? Nope.

Talks Underway to Make Pope Benedict XVI a Saint?
Cross Examined with Michael Lofton and Knowledge & Wisdom | 14 janv. 2026
https://www.youtube.com/watch?v=RMehPnUQSLA

He was involved in "The Interpretation of the Bible in the Church" because the PBC depends on the Dicastery for the Doctrine of the Faith.

He was involved in CCC, with its §283.

No, I don't think so.