All official Italian parcels and commune geometries as geoparquet.
Example for Catania.
This URL offers both, a WFS service for direct use in QGIS or a batch download in a funny format: a zip of zips of zips of zips of gml and gfs, lol.
The structure looks like this:
For some reason Trentino… See the full description on the dataset page:
https://huggingface.co/datasets/do-me/Italian_Parcels.