BUG - Zoom to fit not working with new Apple Studio Displays...
Since replacing my 2x Dell 27" displays with 2x Apple Studio 27" displays a few weeks ago, Acrobat 'CMD 0' (Zoom to Page Level / Fit Page in Window) no longer works.
If I use 'CMD 0' or set PDF viewing settings or document properties to Fit Page or Fit Height, the page is displayed larger than the window. This means if I then press the page down button on my keyboard, the page just scrolls up a bit to show the bottom of the current page. I have to press 'CMD -' to zoom out a little bit (which then shows all the page plus a little gap all around the page in the window) and then the page down button works properly.
I have updated Acrobat to the latest version and tried all the Apple Studio Display settings and advanced settings options in System Prefs.
Something is not working properly in Acrobat. InDesign and other page based apps are working correctly.
Can anyone, or Adobe, help? I will post this in the Adobe Support Community too.

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Tony commented
Have the same issue here on a Mac Studio M4 with Studio Display.
I've got lots of document with the default initial view properties as 'single page' and 'fit to height' or 'fit to page level', but every time I open one it's slightly larger than the window, so I end up double-scrolling/clicking to the next page.
Is this due to Adobe's Mac engineering not realising there's a 'double-menu' on the Mac version and not taking that loss of real estate into account with their sizing?
In the example attached, the automatic 'fit to page', 'fit to height', cmd-0 reduced the zoom to 82.2% - which doesn't fit...but if I manually adjust it to say 80%, it fits on a single page perfectly.