But it's not saving space. It's literally ten pixels shorter in return for 4-5 major downsides I listed. And if you were to turn off toolbars (which you can't

But it's not saving space. It's literally ten pixels shorter in return for 4-5 major downsides I listed. And if you were to turn off toolbars (which you can't with these title-toolbars), then it's actually a 30 pixel INCREASE in window height.