Ben Lee

Hi jun, thanks for the PR! This issue was raised before, though unfortunately the author that issue deleted it. I should document it better, but you can just do: ```...

There's also this branch that I pushed up when the issue was raised but didn't merge: https://github.com/bendelonlee/known_extents_list_view_builder/pull/8 This will address the issue as well. As for which fix is best......

> Adding key to list solves it somewhat, but is very unefficient, as it rebuilds whole list Since it's virtualized, when the widget rebuilds, it doesn't rebuild the "whole" list,...