@freischneiderseems that full-screen is now only on "own risk". I just do not know what more I may do ...

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Idea: ah so the idea is immersive mode + hidden bottom navigation bar. It should be doable, but rather later one I'll be satisfied with the solution that really works.
@tapiogood point. The same menu is anyway used also at the bottom (just as "Display all", "Hide all", etc.). So it is ok to switch both lists into order "Display/Select all", "Hide/deselect all", "Select X" and "Invert"? I believe so. Done, thanks.
Quick bookmark format: united, thanks.
@balloni55hmm. I see it works for me, but I've 3 days internal, but on OneDrive I see last 5 backups with 5 - 8 days interval, so something does not work exactly perfect. I'll be watching it, thanks.