When I change the Default Text Size in Program Settings, the size of the resources that are open is not changed. If I open a new resource it uses the new default size.The font size of Program Settings and Library window (which I keep open at all times) is changed.

This is a change in behavior. I change the font size during classroom teaching and I want all open resources to be affected. I don't want to change the program scaling, because I want to focus on the text, not the toolbars.
I hope this gets fixed before 4.1 is released.