I have a list (JumpListBox) with ~ 500 items.
A list template is a grid that has two columns — a check box and an image;
To reproduce the problem: I checked two elements, then scroll, then I see that this checkbox does not match the selected element. When I scroll back to the item that was selected, I see that the items were not selected, but other items were selected.
I recorded a video and you can see the problem.
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