Hello friends. Firstly (coming from X on Windows 10) I think the new Acrobat UI is very cool! I have been able to customize almost completely to optimize for my work. I'd like to request a new feature I can't find (but if exists please point me to the solution). I'd like to open a pdf and have the "navigation pane buttons" completely hidden by default. Currently when I open a file I can click the small arrow on the left to collapse the "navigation pane buttons," but I'd really like this closed by default. I have bad eyesight and maximizing the size of the file on startup is important to me. Even that very small 5 to 10% I gain from collapsing the "navigation pane buttons" helps tremendously. I would use the control+H feature and use "Read Mode" except there is no way to disable the floating page navigation bar that pops up. I become extremely distracted by any type of animations in my workflow (gives me vertigo and nausea) and although I wish I could, I cannot use Read Mode as a workaround at all. Thanks in advance for considering this idea, it really means a lot to me!