material mass update

[3°minore]

Good morning.


in the release 2020 I modified the density of a material, but I can't update the property in the files already created through "upstream" of publisher styles.

Should I open them one by one?

 

[3°minore]

Maybe I understood:


I change the model of the family, and then
aggiorno via "upstream"
in management > content center.

now I try are a thousand files