I'm always surprised (though it happens fairly frequently) when I run into a UI toolkit with any kind of fixed-size item list view that doesn't recycle the chil

I'm always surprised (though it happens fairly frequently) when I run into a UI toolkit with any kind of fixed-size item list view that doesn't recycle the child widgets and handle the actual item list as a sliding-window data provider. Not to take anything away from any of the mentioned projects, but this pattern is not new or novel.