The Global UI / HUD scaling feature only scales all the UI elements that can be turned off, so it changes nothing for those looking for minimal UI presence - the build and research panels are just as they were before, taking up enormous amounts of UI space - so the Global UI / HUD scaling isn’t Global at all, it’s selective, leaving out the primary and persistent elements.
Also, there is no new option in the settings menu to disable-as-rule the other UI elements, so they still need to be reconfigured to be turned off with each new game, new load, new level. The same goes for the green wireframe highlight over ships, which still needs to be toggled off with TAB, rather than remaining permanently off through having a settings menu option.
Also, there is no new option to disable the lens flare in the game, so that remains an obstruction and annoyance.
I’m very surprised that nothing was done to address these interfering issues. Please see my previous detailing of them in this thread: