Allow the Menu bar (F9) and toolbars (F8) to be hidden permanently
With the current version (2020.006.20034), these can be hidden but for the current session only. Put an option in settings to hide these interface elements globally.
WHY THE FEATURE IS NEEDED
To maximize vertical screen real-estate; as most of the devices these days are shipping with widescreen displays.
I need this badly as I use acrobat for reading sheet music and it is extremely annoying to have to click 'hide toolbars' every single time I open a document. I need to see the page as large as possible while still fitting the entire thing on my screen.