My High Sierra developer beta 9 cracks every time I tried to open my "documents" folder in finder.
My laptop is 2016 13" MacBook Pro with touch bar (3.3 GHz Intel Core i7, 16 GB 2133 MHz LPDDR3, Intel Iris Graphics 550 1536 MB, 512GB SSD)
Update: The finder only cracks when choosing "show items as icons", working well when showing items in lists, columns or cover flow