We have a sizable number of mac users and you are the only one tht has ever reported this problem. I am inclined to believe that this is your computer problem and you should find if/where macos determines the scaling of individual apps.
I am pretty convinced that MacOS has the ability to run individual apps at custom resolutions. See https://www.madrau.com/
Perhaps something as simple as this might help:
I’ll keep the bug report open to see if we gather more data points.
Or font smoothing might be on by default, and adding the entry would disable it. It really depends what the default is. Those two linked threads imply that font smoothing is the new default. (I have no idea though.)
(I don’t necessarily endorse changing those preferences unless you’re comfortable with the Terminal. The bug might be coming from somewhere else, and this might have unintended consequences.)