My text instances style becoming Bold

I have a weird problem, when I publish components come to the instance files, and update the instances, the text styles become Bold. This does not happen every time and it’s occasional. it’s not even happening all the time to one component so I say that component setting has a problem.
When I reset the component it gets fixed, but there are too many instances in my file and it’s annoying.

Is there a solution to it? Does anyone else have this issue?

Here is a sample