PLEASE can we get the option back for 'per page' preferences?

Or at least give us the option to switch between your new 'global preferences' and the much better old way of configuring per page.

I have a number of pages configured for different categories. Some have many more thumbnails, so I want a display of 4 rows of 5 thumbnails. My 'main' or parent page only needs 3 rows of 3 icons, but right now I can't set this!

I also want different background etc PER PAGE, and not globally.

If we can get this back then maybe I can update. Until then we have to stick with 2.11 :/