Off topic, but so that you know, “dogmatically approving” the canon of scripture does not mean the canon was different before. The Church makes pronouncements like that when something is questioned, not before, when it is a common belief.
You're arguing with Roman Catholic sources.
[comments mine]
The Tridentine decree from which the above list is extracted was the first infallible and effectually promulgated pronouncement on the Canon, addressed to the Church Universal.
https://www.catholic.com/encyclopedia/canon-of-the-holy-scriptures
[If it's the first infallible pronouncement on the Canon, then there were no other infallible lists.]
From another Roman Catholic site....admittedly this is a blog site so take it for what it's worth.
(1) Florence announces the canon in unambiguous terms, but it doesnt do it in the form of a dogmatic definition, so technically, it doesnt carry the weight of an infallible proclaimation.
http://shamelesspopery.com/the-council-of-florence-on-the-pope-the-church-and-the-bible/
*********************
It wasn't until Trent that Roman Catholicism dogmatically declared their canon.
What I find interesting about this is Rome had a chance to add to the canon so many of the books they rely upon for a lot of their "tradition".
The Didache
The Protoevangelium of James
and many others.
I've always wondered why they didn't......but that they didn't should be telling for the Roman Catholic.
It is because these were not received by the early church.