As a Roblox developer, it is currently impossible to read the Studio Script TextSize for plugins.
While working on my own plugin which utilises Studio’s themes and colors I found out that Studio.Font is a QFont and therefore cannot be read.
Furthermore, developers aren’t able to fully base off of these settings and are possibly forced to implement their own system in getting a prefered TextSize.
A way to get the Script TextSize could be a property of the Studio Service, such as settings().Studio.ScriptTextSize.
Some usecases for this may be plugins which have their own Script editor, such as mine, or that replicate the style of studio for consistency
If Roblox is able to address this issue, it would improve my development experience because I would be able to read and apply the Script TextSize instead of the user requiring to input one individually for my plugin.