for me it is interesting if i can set the start time of the grid view.
for now i add some custom css to hide the first 15 row:
.mptt-shortcode-row-0, .mptt-shortcode-row-1, .mptt-shortcode-row-2, .mptt-shortcode-row-3, .mptt-shortcode-row-4, .mptt-shortcode-row-5, .mptt-shortcode-row-6, .mptt-shortcode-row-7, .mptt-shortcode-row-8, .mptt-shortcode-row-9, .mptt-shortcode-row-10, .mptt-shortcode-row-11, .mptt-shortcode-row-12, .mptt-shortcode-row-13, .mptt-shortcode-row-14, .mptt-shortcode-row-15 {
display:none;
}