Originally Posted by tshering
I just tested two of my (handmade) kepub.epub files. One remembers the position correctly, the other does not. One difference is that the book that remembers correctly has no margin values defined in the stylesheet, whereas the other has. The position of the margin slider in the font settings menu does not seem to have any effect on this. I did not check other books, so it might just be a coincidence. Try removing margin definitions. If it helps please tell us.
Yes, that is the temporary fix for the current firmware bug: set margins to 0 or more easily slide the slider in the book settings when reading all the way down to the left. Then the books will remember the page you're on.