I would be good if you rename an object, have the designer code to also update. This was we don't need to have to scroll though the code and change it manually.
Using a MacBook Pro 15" (running Windows 10 Pro in VM)
Tried designer window being maximized, and not maximized. - (both with the same result)
Using the MacBook screen (no external screen).
If I right mouse click the B4i.exe file, and click the compatibility tab, and then click 'change high DPI settings' the boxes are all unticked. (not sure if that means anything)