Lv_roller with 30 uppder item will cause the scroll position dislocation

in the lvgl v8.2.
in image, i has three lv_roller.
first is 60 item…
second is 24 item.
third is 37 item.
i test it, if the item lose about 30, it good for working.
but if more them 30, it will dislocation like image.


I had the same issue.

The resolution is here: